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Skyworks Solutions Inc patents


Recent patent applications related to Skyworks Solutions Inc. Skyworks Solutions Inc is listed as an Agent/Assignee. Note: Skyworks Solutions Inc may have other listings under different names/spellings. We're not affiliated with Skyworks Solutions Inc, we're just tracking patents.

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Beamforming of harmonics

Apparatus and methods related to beamforming of harmonics are provided herein. In certain implementations, a communication device for operating in a wireless network is provided. ... Skyworks Solutions Inc

Multi-band power amplifier

Systems, devices and methods related to multi-band power amplifier. In some embodiments, a power amplifier module includes a power amplifier having an output stage and configured to receive a signal. ... Skyworks Solutions Inc

Surface acoustic wave filter with temperature sensor

Aspects of this disclosure relate to a surface acoustic wave filter with an integrated temperature sensor. The integrated temperature sensor can be a resistive thermal device configured as a reflective grating for a surface acoustic wave resonator, for example. ... Skyworks Solutions Inc

Filter with over temperature protection

Aspects of this disclosure relate to providing over temperature protection for a filter in a radio frequency system. The filter can include an integrated temperature sensor. ... Skyworks Solutions Inc

Multi-mode power amplifier module

A power amplifier that can support multiple communication networks while maintaining power efficiency across each of the supported communication networks is disclosed. In some implementations described herein, a power amplifier module includes a bypass circuit that enables different voltage supplies to be provided to the power amplifier. ... Skyworks Solutions Inc

Power amplifier bias circuit with a mirror device to provide a mirror bias signal

A bias circuit for power amplifiers is disclosed. A power amplifier bias circuit can include an emitter follower device and an emitter follower mirror device coupled to form a mirror configuration. ... Skyworks Solutions Inc

Front end systems and related devices, integrated circuits, modules, and methods

Front end systems and related devices, integrated circuits, modules, and methods are disclosed. One such front end system includes a low noise amplifier in a receive path and a multi-mode power amplifier circuit in a transmit path. ... Skyworks Solutions Inc

Controlled standoff for module with ball grid array

Controlled standoff for module with ball grid array. In some embodiments, a packaged module can include a packaging substrate having an underside, and an arrangement of conductive features implemented on the underside of the packaging substrate to define an underside area and to allow mounting of the packaged module on a circuit board. ... Skyworks Solutions Inc

Control of under-fill using an encapsulant for a dual-sided ball grid array package

Disclosed herein are methods of fabricating a packaged radio-frequency (rf) device. The disclosed methods use an encapsulant on solder balls to control the distribution of an under-fill material between one or more components and a packaging substrate. ... Skyworks Solutions Inc

Control of under-fill using a dam on a packaging substrate for a dual-sided ball grid array package

Described herein are methods of manufacturing dual-sided packaged electronic modules to control the distribution of an under-fill material between one or more components and a packaging substrate. The disclosed technologies include using a dam on a packaging substrate that is configured to prevent or limit the flow of a capillary under-fill material. ... Skyworks Solutions Inc

Control of under-fill using under-fill deflash for a dual-sided ball grid array package

Described herein methods of manufacturing dual-sided packaged electronic modules that control the distribution of an under-fill material between one or more components and a packaging substrate. The disclosed technologies include under-filling one or more components and deflashing a portion of the under-fill to remove under-fill material prior to attaching solder balls. ... Skyworks Solutions Inc

Control of under-fill using a film during fabrication for a dual-sided ball grid array package

Disclosed herein are methods of fabricating a packaged radio-frequency (rf) device. The disclosed methods use a film during fabrication to control the distribution of an under-fill material between one or more components and a packaging substrate. ... Skyworks Solutions Inc

Test equipment and testing methods based on harmonic beamforming

Apparatus and methods for radio frequency emissions testing based on harmonic beamforming are provided herein. In certain configurations, a method of emissions testing of cellular communication assemblies for emissions compliance is provided. ... Skyworks Solutions Inc

Receiver and transmitter switch consolidation

A radio-frequency module includes a plurality of inputs and a plurality of outputs, each of at least two of the inputs of the plurality of inputs coupled to a separate output of the plurality of outputs through a separate single-pole-single-throw switch.. . ... Skyworks Solutions Inc

08/02/18 / #20180219516

Radio frequency amplifiers with an injection-locked oscillator driver stage and a stacked output stage

Radio frequency (rf) amplifiers, such as power amplifiers, are provided herein. In certain configurations, an rf amplifier includes an input terminal that receives an rf input signal, an output terminal that provides an rf output signal, an injection-locked oscillator driver stage that amplifies the rf input signal to generate an injection-locked rf signal, and a stacked output stage that further amplifies the injection-locked rf signal to generate the rf output signal. ... Skyworks Solutions Inc

08/02/18 / #20180218922

Control of under-fill with a packaging substrate having an integrated trench for a dual-sided ball grid array package

Described herein are methods of manufacturing dual-sided packaged electronic modules to control the distribution of an under-fill material between one or more components and a packaging substrate. The disclosed technologies include forming a trench in a packaging substrate that is configured to prevent or limit the flow of a capillary under-fill material. ... Skyworks Solutions Inc

07/19/18 / #20180205530

Mobile device front end architecture for time division duplexing

A switching circuit for use in a frequency division duplex (fdd) spectrum re-allocated for time division duplex (tdd) applications comprises a first filter configured to filter a tdd receive signal, a duplex filter configured to filter an fdd receive signal, and a plurality of switches configured to route the fdd receive signal from an antenna through the duplex filter to receiver circuitry and to route the tdd receive signal from the antenna through the first filter to the receiver circuitry such that the fdd and tdd receive signals share the fdd spectrum.. . ... Skyworks Solutions Inc

07/19/18 / #20180205404

Integrous signal combiner

A front-end module (fem) is disclosed that includes an integrous signal combiner. The integrous signal combiner can process received signals and use a set of resonant circuits to filter signal noise prior to recombination of a plurality of signal bands that form an aggregate carrier signal. ... Skyworks Solutions Inc

07/19/18 / #20180204934

Methods related to a semiconductor structure with gallium arsenide and tantalum nitride

Disclosed are structures and methods related to metallization of a gallium arsenide (gaas) layer. In some embodiments, a tantalum nitride (tan) layer can be formed on a doped gaas layer, and a metal layer can be formed on the tan layer. ... Skyworks Solutions Inc

07/12/18 / #20180198473

Apparatus and methods for front-end systems with reactive loopback

Apparatus and methods for front-end systems with reactive loopback are provided. In certain configurations, a front-end system includes a transmit port that receives a transmit signal, an antenna port, a receive port, and an antenna switch connected along a transmit path between the transmit port and the antenna port. ... Skyworks Solutions Inc

07/12/18 / #20180198471

Front-end systems with multiple loopbacks and a shared back switch

Apparatus and methods for front-end systems with multiple loopbacks and a shared back switch are provided. In certain configurations, a front-end system includes a first transmit path between a first transmit port and an antenna port, a second transmit path between a second transmit port and the antenna port, a first loopback path from the first transmit path to a receive port, and a second loopback path from the second transmit path to the receive port. ... Skyworks Solutions Inc

07/12/18 / #20180198436

Radio-frequency package with overmold structure

According to some implementations, a radio-frequency (rf) module is disclosed, comprising a first substrate. The radio-frequency module also includes a radio-frequency device mounted on the first substrate, the radio-frequency device including a second substrate. ... Skyworks Solutions Inc

07/12/18 / #20180198424

Amplifier architecture using positive envelope feedback

Described herein are power amplifier (pa) architectures that improve pa performance (e.g., efficiency, linearity, etc.) over an extended range of the operating power levels of the pa. These architectures can be implemented on a single chip to provide a single-chip standalone pa solution. ... Skyworks Solutions Inc

07/12/18 / #20180198212

Frequency and polarization reconfigurable antenna systems

Apparatus and methods for reconfigurable antenna systems are provided herein. In certain configurations, an antenna system includes an antenna element, a tuning conductor adjacent to and spaced apart from the antenna element, and a switch electrically connected between the tuning conductor and a reference voltage, such as ground. ... Skyworks Solutions Inc

07/12/18 / #20180198204

Apparatus and methods for dynamic management of antenna arrays

Apparatus and methods for dynamic management of antenna arrays are provided herein. In certain configurations, a radio frequency (rf) system includes an antenna array including a plurality of antenna elements. ... Skyworks Solutions Inc

07/12/18 / #20180197797

Endpoint booster systems

An endpoint booster transports an optical signal from inside of a plasma etch chamber through a viewport to an optical cable outside of the plasma etch chamber. The optical signal is analyzed to determine an endpoint of a plasma process. ... Skyworks Solutions Inc

07/05/18 / #20180191050

Zero insertion loss directional coupler for wireless transceivers with integrated power amplifiers

A zero insertion loss directional coupler includes an input port, an antenna port, an isolation port, and a detect port. The coupler has a first signal trace, a second signal trace, and an inductive winding. ... Skyworks Solutions Inc

06/28/18 / #20180183477

Bypass path loss reduction

Aspects of this disclosure relate to reducing insertion loss associated with a bypass path. In an embodiment, an apparatus includes a first switch having at least two throws, a second switch having at least two throws, a bypass path between the first switch and the second switch, and at least one inductor. ... Skyworks Solutions Inc

06/28/18 / #20180183431

Switch linearization by compensation of a field-effect transistor

Disclosed herein are systems and methods for reducing intermodulation distortion (imd) in switches using parallel distorter circuits. A switch circuit can include having a switch arm and a distorter arm that is configured to act as a compensation circuit to compensate for non-linearities in the switch arm. ... Skyworks Solutions Inc

06/28/18 / #20180183389

Enhanced amplifier efficiency through cascode current steering

According to some implementations, a power amplifier (pa) includes a common emitter configured to receive a radio-frequency (rf) signal. The pa also includes a carrier amplifier coupled to the common emitter to form a carrier cascode configuration, a collector of the carrier amplifier provided with a first supply voltage. ... Skyworks Solutions Inc

06/21/18 / #20180175814

Circuits and methods for biasing power amplifiers

Circuits and methods for biasing power amplifiers. In some embodiments, a power amplifier circuit can include a transistor having and input and an output, and configured to amplify a signal. ... Skyworks Solutions Inc

06/21/18 / #20180175797

Multi-gain signal amplifier with switchable amplifier architectures

Disclosed herein are signal amplifiers having a plurality of amplifier cores. Individual amplifier cores can be designed for particular gain modes to enhance particular advantages while reducing other disadvantages. ... Skyworks Solutions Inc

06/14/18 / #20180167037

Amplifier linearization in a radio frequency system

A linearization circuit that reduces intermodulation distortion in an amplifier output receives a first signal that includes a first frequency and a second frequency and generates a difference signal having a frequency approximately equal to the difference of the first frequency and the second frequency. The linearization circuit generates an envelope signal based at least in part on a power level of the first signal and adjusts a magnitude of the difference signal based on the envelope signal. ... Skyworks Solutions Inc

06/14/18 / #20180167034

High power radio-frequency switching topology and method

Aspects and examples described herein provide a radio-frequency switching circuit, switching device, and related methods. In one example, a radio-frequency switching device includes an input path configured to receive a radio-frequency signal, a plurality of output paths each configured to provide the radio-frequency signal, and a plurality of radio-frequency sub-networks each coupled to the input path and configured to direct the radio-frequency signal, each of the plurality of sub-networks including at least a first radio-frequency circuit having a first series of directly biased transistors, a second radio-frequency circuit having a second series of directly biased transistors, and a direct current blocking network interposed between the first radio-frequency circuit and the second radio-frequency circuit, each output path of the plurality corresponding to at least one of the plurality of radio-frequency sub-networks.. ... Skyworks Solutions Inc

06/14/18 / #20180166763

Integrated microstrip and substrate integrated waveguide circulators/isolators formed with co-fired magnetic-dielectric composites

Disclosed are embodiments of microstrip and substrate integrated waveguide circulators/isolators which can be integrated with a substrate. This composite structure can serve as a platform for other components, allowing for improved miniaturization of components. ... Skyworks Solutions Inc

06/07/18 / #20180159577

Power amplification system with variable supply voltage

Power amplification system with variable supply voltage. A power amplification system can include a power amplifier and a boost converter configured to provide a supply voltage to the power amplifier. ... Skyworks Solutions Inc

06/07/18 / #20180159507

Elastic wave device with sub-wavelength thick piezoelectric layer and high velocity layer

Aspects of this disclosure relate to an elastic wave device. The elastic wave device includes a sub-wavelength thick piezoelectric layer, an interdigital transducer electrode on the piezoelectric layer, and a high velocity layer configured to inhibit an elastic wave from leaking from the piezoelectric layer at anti-resonance.. ... Skyworks Solutions Inc

06/07/18 / #20180159503

Electronic devices formed in a cavity between substrates and including a via

An electronic device, such as a filter, includes a first substrate having a bottom surface and a top surface, a first side wall of a certain height being formed along a periphery of the bottom surface to surround an electronic circuit disposed on the bottom surface, an external electrode formed on the top surface, the external electrode being connected to the electronic circuit by a via communicating with the bottom surface and a second substrate. The second substrate has a second side wall of a certain height formed along a periphery of a top surface, the second side wall being aligned and bonded with the first side wall to internally form a cavity defined between the bottom surface of the first substrate, the top surface of the second substrate, the first side wall, and the second side wall.. ... Skyworks Solutions Inc

06/07/18 / #20180159502

Methods of manufacturing electronic devices to prevent water ingress during manufacture

Methods of preventing water from penetrating inside a pair of bonded wafers that are bonded to one another during manufacture of an electronic device. A method is provided for manufacturing an electronic device including a first substrate having a first side wall of a certain height formed along a periphery to surround an electronic circuit disposed on a bottom surface and a second substrate having a second side wall of a certain height formed along a periphery on a top surface, the second side wall being aligned and bonded with the first side wall. ... Skyworks Solutions Inc

06/07/18 / #20180159494

Elastic wave device with sub-wavelength thick piezoelectric layer

Aspects of this disclosure relate to an elastic wave device. The elastic wave device includes a sub-wavelength thick piezoelectric layer, an interdigital transducer electrode on the piezoelectric layer, and a high velocity layer with a higher bulk velocity than the velocity of an elastic wave.. ... Skyworks Solutions Inc

06/07/18 / #20180159493

Methods of manufacturing electronic devices formed in a cavity

Methods of manufacturing an electronic device formed in a cavity may include providing a first substrate having a first side wall including a first metal formed along a periphery on a bottom surface thereof and surrounding an electronic circuit disposed on the bottom surface, providing a second substrate having a second side wall including a second metal and a third metal formed along a periphery on a top surface thereof, aligning the first substrate with the second substrate with the first side wall opposing and contacting the second side wall to internally define a cavity between the bottom surface of the first substrate, the top surface of the second substrate, the first side wall ,and the second side wall, and heating and bonding the first substrate and the second substrate by transient liquid phase bonding.. . ... Skyworks Solutions Inc

06/07/18 / #20180159487

Power amplifier configurations with power density matching

Circuits and methods related to power amplifiers. In some implementations, a bias circuit includes a reference device connectable to receive a first electrical supply level, the reference device arranged to produce an electrical bias condition using the first electrical supply level, and the reference device connectable to provide the electrical bias condition to an amplifier device connectable to a second electrical supply level. ... Skyworks Solutions Inc

06/07/18 / #20180159478

Power amplification system with programmable load line

Disclosed herein are power amplification (pa) systems configured to amplify a signal, such as a radio-frequency signal. The pa system includes a plurality of power amplifiers that are configured to amplify a signal received at a signal input and to output the amplified signal at a signal output. ... Skyworks Solutions Inc

06/07/18 / #20180159476

Envelope tracking for radio-frequency applications

Envelope tracking for radio-frequency applications. In some embodiments, a low frequency loss correction circuit can include a signal error detection circuit configured to produce an error signal in response to detecting one or more frequency components of a tracking signal below a cutoff frequency that are substantially attenuated through a capacitive path. ... Skyworks Solutions Inc

06/07/18 / #20180158801

Methods of manufacturing electronic devices formed in a cavity and including a via

A method of manufacturing an electronic device formed in a cavity may include, on a first substrate having a bottom surface and a top surface, forming a first side wall of a certain height along a periphery on the bottom surface to surround an electronic circuit disposed on the bottom surface; forming a via communicating between the bottom surface and the top surface, forming of the via including stacking a first stop layer and a second stop layer sequentially on a portion of the bottom surface of the first substrate corresponding to the via and etching the first substrate to form a through-hole corresponding to the via, a rate of etching the first substrate being greater than that of the first stop layer and a rate of etching the first stop layer being greater than that of the second stop layer; forming a second side wall of a certain height along a periphery on a top surface of the second substrate; and aligning and bonding the first side wall and the second side wall.. . ... Skyworks Solutions Inc

06/07/18 / #20180158579

Methods of forming thin film resistors with high power handling capability

Designs and methodologies related to attenuators having a thin-film resistor assembly are disclosed. In some embodiments, the thin-film assembly can include a first and second thin-film resistor, each having a main portion with an input end and an output end. ... Skyworks Solutions Inc

06/07/18 / #20180158533

Apparatus and methods for protection against inadvertent programming of fuse cells

Apparatus and methods for protection against inadvertent programming of fuse cells are provided herein. In certain configurations, a fuse system includes a fuse protection diode, a fuse programming transistor, and a fuse cell electrically connected in series between a first pad and a second pad. ... Skyworks Solutions Inc

05/31/18 / #20180152945

Front-end modules for carrier aggregation

Disclosed herein are front-end modules that support carrier aggregation. Wireless communication configurations are disclosed that include a plurality of such front-end modules to support uplink and/or downlink carrier aggregation. ... Skyworks Solutions Inc

05/31/18 / #20180152191

Filters including loop circuits for phase cancellation

Aspects and examples provide improvement in the attenuation level near the passband within the stopband of the bandpass-type filter using a ladder-type circuit formed by a baw resonator. In one example the filter includes a ladder-type circuit formed by a bulk acoustic wave (baw) resonator, and a loop circuit connected between two distinct points on a signal path extending from an input to an output of the ladder-type circuit for phase-cancellation of signals at the two distinct points. ... Skyworks Solutions Inc

05/31/18 / #20180152169

Saw filters with stepped-profile piezoelectric substrate

A surface acoustic wave (saw) filter having improved performance. In one example the saw filter includes a piezoelectric substrate on which a plurality of interdigital transducer (idt) electrodes are disposed, the piezoelectric substrate having at least two different thicknesses corresponding to regions where the plurality of idt electrodes are disposed, and a support substrate supporting the piezoelectric substrate. ... Skyworks Solutions Inc

05/31/18 / #20180151240

Accidental fuse programming protection circuits

Apparatus and methods for protection against inadvertent programming of fuse cells are provided herein. In certain configurations, a fuse system includes a fuse programming transistor, a cascode transistor, and a fuse cell electrically connected in series between a first pad and a second pad. ... Skyworks Solutions Inc

05/24/18 / #20180146541

Methods related to implementing surface mount devices with ground paths

Disclosed are apparatus and methods related to ground paths implemented with surface mount devices to facilitate shielding of radio-frequency (rf) modules. In some embodiments, a method for fabricating a radio-frequency module includes providing a packaging substrate, the packaging substrate configured to receive a plurality of components and the packaging substrate including a ground plane. ... Skyworks Solutions Inc

05/24/18 / #20180145717

Circuits and methods for biasing switch body

Described herein are circuits and methods for improving switch performance when overdriving the gate by adding a delay on a pmos gate voltage such that it can turn on the pmos during switch state transition to allow charge/discharge of the switch body voltage faster and it can turn off once the process is complete. For example, back-to-back diodes can be used to separate the pmos gate and drain. ... Skyworks Solutions Inc

05/24/18 / #20180145648

Apparatus and methods for low noise amplifiers

Apparatus and methods for low noise amplifiers (lnas) are provided herein. In certain configurations, an lna includes a gain stage and a bypass stage electrically connected in parallel with one another between an input and an output. ... Skyworks Solutions Inc

05/24/18 / #20180145636

Doherty power amplifier combiner with tunable impedance termination circuit

Doherty power amplifier combiner with tunable impedance termination circuit. A signal combiner can include a balun transformer circuit having a first coil and a second coil. ... Skyworks Solutions Inc

05/24/18 / #20180144993

Devices and methods related to radio-frequency switches having improved on-resistance performance

Devices and methods related to radio-frequency (rf) switches having improved on-resistance performance. In some embodiments, a switching device can include a first terminal and a second terminal, and a plurality of switching elements connected in series to form a stack between the first terminal and the second terminal. ... Skyworks Solutions Inc

05/17/18 / #20180138990

Reducing impedance discontinuities on a shared medium

Systems and methods are provided for reducing the effects of an impedance mismatch between a communications system and a shared communications medium. A communication system, such as a transceiver within a cable modem, switches between various operating modes including a transmit mode, a receive mode, and a standby mode. ... Skyworks Solutions Inc

05/17/18 / #20180138930

Architectures and methods related to transmit signal routing with re-use of filters

Disclosed herein are systems, circuits, architectures and methods related to front-end architectures for wireless devices configured for uplink carrier aggregation. The disclosed front-end architectures include a first power amplifier module with filters and a second filter-less power amplifier module. ... Skyworks Solutions Inc

05/17/18 / #20180138910

Method and apparatus for configurable control of an electronic device

Methods and apparatuses are provided for establishing operational states of a device having a plurality of functional operating units. An input is configured to receive an identifier of a desired operational state of the device. ... Skyworks Solutions Inc

05/17/18 / #20180138893

Acoustic wave filter including two types of acoustic wave resonators

Aspects of this disclosure relate to a multiplexer, such as a duplexer, a quadplexer, a hexaplexer, or the like. The multiplexer includes acoustic wave filters coupled to a common node. ... Skyworks Solutions Inc

05/17/18 / #20180138892

Acoustic wave filter including surface acoustic wave resonators and bulk acoustic wave resonator

Aspects of this disclosure relate to a multiplexer, such as a duplexer, a quadplexer, a hexaplexer, or the like. The multiplexer includes acoustic wave filters coupled to a common node. ... Skyworks Solutions Inc

05/17/18 / #20180138878

Wide dynamic range amplifier system

Amplifier systems and methods are provided that include a fixed gain amplification stage coupled to an adjustable attenuation stage further coupled to a variable gain amplification stage. A controller controls an amount of attenuation provided by the adjustable attenuation stage and an amount of gain provided by the variable gain amplification stage to maintain any of various noise, efficiency, and/or linearity requirements of the amplifier system.. ... Skyworks Solutions Inc

05/17/18 / #20180138877

Transient output suppression in an amplifier

Systems and methods for suppressing transient outputs from an amplifier system are provided. An amplifier having a plurality of bias levels may be controlled to initiate a change in the level of a bias signal provided to the amplifier. ... Skyworks Solutions Inc

05/17/18 / #20180138874

Amplifier system with digital switched attenuator

A broadband amplifier assembly is provided that includes a fixed gain amplifier coupled to an adjustable attenuator which is further coupled to a power amplifier. The adjustable attenuator includes a plurality of attenuation cells directly coupled in series between the input and the output of the adjustable attenuator.. ... Skyworks Solutions Inc

05/17/18 / #20180138873

Cascode power amplifier stage using hbt and fet

A power amplifier comprising a bipolar transistor connected in cascode with a field effect transistor (fet) such as a pseudomorphic high electron mobility transistor (phemt) device. The bipolar transistor has a common emitter and the fet a common gate. ... Skyworks Solutions Inc

05/17/18 / #20180138872

Impedance transformation circuit for amplifier

Aspects of this disclosure relate to an impedance transformation circuit for use in an amplifier, such as a low noise amplifier. The impedance transformation circuit includes a matching circuit including a first inductor. ... Skyworks Solutions Inc

05/17/18 / #20180138866

Temperature compensated oscillator

Methods and systems are provided for generating an oscillating signal for use as a clock in digital logic timing. The oscillating signal is generated via a differential rc relaxation oscillator including an oscillator core and biasing circuitry. ... Skyworks Solutions Inc

05/17/18 / #20180138862

Envelope tracking for high power amplifiers

Disclosed herein are circuits, devices and methods that address challenges associated with power amplifier systems. A power amplifier system includes two or more fast error amplifiers coupled to corresponding power amplifiers. ... Skyworks Solutions Inc

05/17/18 / #20180138861

Dynamic error vector magnitude duty cycle correction

Aspects of this disclosure relate to dynamic error vector magnitude (devm) compensation. In one embodiment, an apparatus includes an amplifier, a low pass filter, and a bias circuit. ... Skyworks Solutions Inc

05/17/18 / #20180138574

Reducing coupling coefficient variation using intended width mismatch

A coupler is presented that has high-directivity and low coupling coefficient variation. The coupler includes a first trace with a first edge substantially parallel to a second edge and substantially equal in length to the second edge. ... Skyworks Solutions Inc

05/10/18 / #20180131501

Switched-filter duplexing architecture for front-end systems

Switched-filter duplexing architecture for front-end systems. In some embodiments, a wireless architecture can include a first system having a first signal routing circuit for a first transceiver, and a first antenna node, and be configured to be capable of simultaneous transmit and receive operations for a first band and a receive operation for a second band through the first antenna node. ... Skyworks Solutions Inc

05/10/18 / #20180131500

Front-end architectures for wireless applications

Front-end architectures for wireless applications. A front-end system can include a first assembly of filters having a first transmit filter and configured to provide a duplexing functionality in which a first transmit signal is filtered by the first transmit filter when in a first frequency-division duplexing mode, and a second assembly of filters having a second transmit filter and configured to provide a duplexing functionality in which a second transmit signal is filtered by the second transmit filter when in a second frequency-division duplexing mode. ... Skyworks Solutions Inc

05/10/18 / #20180131369

Manifolded gate resistance network

A radio-frequency switch includes a pole node, a throw node connected to the pole node via a radio-frequency signal path, the radio-frequency signal path including first, second, third and fourth field-effect transistors connected in series, each of the first, second, third and fourth field-effect transistors having a gate, a first coupling path coupling the gate of the first field-effect transistor to the gate of the second field-effect transistor, a second coupling path coupling the gate of the third field-effect transistor to the gate of the fourth field-effect transistor, and a third coupling path coupling the first coupling path to the second coupling path. . ... Skyworks Solutions Inc

05/10/18 / #20180131344

Filter modules and filter arrays having inductive impedance

Aspects and examples reduce the insertion loss and the noise figure of a filter module, which is configured by capacitive elements such as surface acoustic wave resonators and impedance matched. In one example, the filter module includes a filter having a certain passband and a matching resonator for impedance matching of the filter, the passband of the filter being included in a frequency band ranging between a resonant frequency and an antiresonant frequency of the matching resonator, and a center frequency of the passband of the filter being lower than a center frequency of the band ranging between the resonant frequency and the antiresonant frequency of the matching resonator.. ... Skyworks Solutions Inc

05/10/18 / #20180131339

High-linearity variable gain amplifier with bypass path

Aspects and examples described herein provide a variable gain amplifier circuit and assembly. In one example, a variable gain amplifier circuit includes a signal input, a signal output, and a variable gain amplifier including a plurality of unit cell groups coupled between the signal input and the signal output, the variable gain amplifier configured to provide an adjustable gain to a signal received at the signal input during each of a plurality of amplify modes of the variable gain amplifier, each of the plurality of amplify modes corresponding to at least one unit cell group of the plurality of unit cell groups. ... Skyworks Solutions Inc

05/10/18 / #20180131278

Voltage converter having light-load control

Voltage converter having light-load control. In some embodiments, a voltage converter can be configured to receive an input voltage and generate a regulated voltage. ... Skyworks Solutions Inc

05/10/18 / #20180131274

Control circuits and methods for voltage converters

Control circuits and methods for voltage converters. In some embodiments, a voltage converter can include a voltage conversion circuit configured to convert a first voltage to a second voltage, and capable of operating in a continuous mode or a discontinuous mode. ... Skyworks Solutions Inc

05/10/18 / #20180131068

Ceramic materials, devices, and methods for microwave applications

Ceramic materials, devices, and methods for microwave applications. In some embodiments, a composition can include a material with a formula ba4+xsm(2/3)(14−x+0.5y)ti18−yalyo54, with the quantity y being in a range 0<y<2, and the quantity x being in a range 0<x<2−y. ... Skyworks Solutions Inc

05/10/18 / #20180131065

Radiofrequency and other electronic devices formed from enhanced resonant frequency hexaferrite materials

Radiofrequency and other electronic devices can be formed from textured hexaferrite materials, such as z-phase barium cobalt ferrite ba3co2fe24o41 (co2z) having enhanced resonant frequency. The textured hexaferrite material can be formed by sintering fine grain hexaferrite powder at a lower temperature than conventional firing temperatures to inhibit reduction of iron. ... Skyworks Solutions Inc

05/10/18 / #20180130876

Integrated rf front end system

Systems and methods are disclosed for integrating functional components of front-end modules for wireless radios. Front-end modules disclosed may be dual-band front-end modules for use in 802.11ac-compliant devices. ... Skyworks Solutions Inc

05/10/18 / #20180130585

Apparatus and methods related to ferrite based circulators

Apparatus and methods related to ferrite based circulators are disclosed. A ferrite disk used in a circulator can be configured to reduce intermodulation distortion when routing radio-frequency signals having closely spaced frequencies. ... Skyworks Solutions Inc

05/03/18 / #20180124884

Boost regulators with dynamic regulation band

Apparatus and methods for boost regulators with dynamic regulation band are disclosed. In certain configurations, a boost regulator system includes a boost regulator, a current source, and a light emitting element, such as a flash led, that is controlled using a current generated by the current source. ... Skyworks Solutions Inc

05/03/18 / #20180123624

Power detectors for radio-frequency applications

Power detectors for radio-frequency applications. In some embodiments, an amplifier can include an amplification stage having an input and an output, and a detector coupled to the output of the amplification stage and configured to generate an input signal representative of power associated with an amplified signal provided by the amplification stage. ... Skyworks Solutions Inc

05/03/18 / #20180123518

Multi-mode power amplifiers with phase matching

Apparatus and methods for multi-mode power amplifiers are provided herein. In certain configurations, a wireless device includes a multi-mode power amplifier including a plurality of amplification paths electrically connected in parallel with one another. ... Skyworks Solutions Inc

05/03/18 / #20180120881

Programmable low dropout regulators with fast transient response when programming output voltage

Apparatus and methods for programmable low dropout (ldo) regulators for radio frequency (rf) electronics are provided herein. In certain configurations, an ldo regulator for generating a programmable output voltage includes a regulation field-effect transistor (fet) having a drain electrically connected to the ldo regulator's output, an error amplifier that controls a gate of the regulation fet, a feedback circuit that provides a feedback signal to an inverting input of the error amplifier, an output capacitor electrically connected to the ldo regulator's output, and an alternative discharge circuit. ... Skyworks Solutions Inc

05/03/18 / #20180118627

Ultra-high dielectric constant garnet

Disclosed are embodiments of synthetic garnet materials for use in radiofrequency applications. In some embodiments, increased amounts of bismuth can be added into specific sites in the crystal structure of the synthetic garnet in order to boost certain properties, such as the dielectric constant and magnetization. ... Skyworks Solutions Inc

04/19/18 / #20180109238

Surface acoustic wave elements with varying electrode finger pitch and connection arrangements

A saw element configured to suppress spurious emissions resulting from non-periodicity of an idt electrode finger arrangement. In one example, the saw element is a resonator comprising an idt electrode including a first plurality of idt electrode fingers connected to a first busbar and a second plurality of idt electrode fingers connected to a second busbar, and reflectors having a plurality of reflector fingers. ... Skyworks Solutions Inc

04/19/18 / #20180108988

Switch linearization by compensation of a field-effect transistor

A radio-frequency switch is disclosed, comprising a set of field-effect transistors disposed between a first node and a second node. In some embodiments, each field-effect transistor of the set of field-effect transistors has a respective source, drain, gate, and body. ... Skyworks Solutions Inc

04/19/18 / #20180108620

Cavity formation in backside interface layer for radio-frequency isolation

A semiconductor device includes a transistor device implemented over an oxide layer, an interface layer applied below at least a portion of the oxide layer, the interface layer having a trench formed therein, and a substrate layer covering at least a portion of the interface layer and the trench to form a cavity.. . ... Skyworks Solutions Inc

04/12/18 / #20180102753

Coupled resonator on-die filters for wifi applications

A radio frequency (rf) filter circuit for rejecting one or more spurious components of an input signal has a first resonator circuit including a first capacitor and a first coupled inductor pair of a first inductor and a second inductor, and a second resonator circuit with a second capacitor and a second coupled inductor pair of a third inductor and a fourth inductor. First and second resonator coupling capacitors are connected to the first resonator circuit and the second resonator circuit. ... Skyworks Solutions Inc

04/12/18 / #20180102581

Coupler circuit

Aspects of this disclosure relate to a coupler circuit configured to receive an output of a radio frequency coupler. The coupler circuit can be arranged in a daisy chain with other coupler circuits. ... Skyworks Solutions Inc

04/05/18 / #20180097533

Aggregate signal amplification device and method

A surface acoustic wave (saw) filter that receives an aggregate circuit and outputs two or more sub-signals on outputs each of a different frequency band. The sub-signals are amplified by low noise amplifiers and, in one implementation, the amplified sub-signals can be summed. ... Skyworks Solutions Inc

04/05/18 / #20180097505

Stacked ceramic resonator radio frequency filter for wireless communications

A ceramic resonator radio frequency filter includes a printed circuit board, one or more first coaxial resonators disposed on the printed circuit board, and one or more second coaxial resonators disposed over the one or more first coaxial resonators so that the one or more first coaxial resonators and one or more second coaxial resonators are arranged in a stacked configuration. The one or more first coaxial resonators and second coaxial resonators electrically connected to the printed circuit board.. ... Skyworks Solutions Inc

04/05/18 / #20180097483

Thermally rugged power amplifiers and related methods

Thermally rugged power amplifiers and related methods. In some embodiments, a method for manufacturing a radio-frequency amplifier can include providing or forming a semiconductor substrate, and forming an array of cascoded devices on the semiconductor substrate to be capable of amplifying a signal, such that the array of cascoded devices includes a plurality of cascoded devices arranged in a first row and a plurality of cascoded devices arranged in a second row. ... Skyworks Solutions Inc

04/05/18 / #20180097482

High-linearity cmos wifi rf power amplifiers in wide range of burst signals

An rf power amplifier biasing circuit has a start ramp signal input, a main current source input, an auxiliary current source input, and a circuit output. A ramp-up capacitor is connected to the auxiliary current source input. ... Skyworks Solutions Inc

04/05/18 / #20180096951

Circuits and methods related to radio-frequency devices with overmold structure

A method for manufacturing packaged radio-frequency devices is disclosed, including providing a packaging substrate configured to receive a plurality of components, the packaging substrate including a first side and a second side. The method further includes forming a shielded package on the first side of the packaging substrate, the shielded package including a first circuit and a first overmold structure, the shielded package configured to provide radio-frequency shielding for at least a portion of the first circuit. ... Skyworks Solutions Inc

04/05/18 / #20180096950

Radio-frequency device with dual-sided overmold structure

A method for manufacturing packaged radio-frequency devices is disclosed, including providing a packaging substrate configured to receive a plurality of components, the packaging substrate including a first side and a second side. The method includes forming a shielded package on the first side of the packaging substrate, the shielded package including a first circuit and a first overmold structure, the shielded package configured to provide rf shielding for at least a portion of the first circuit. ... Skyworks Solutions Inc

04/05/18 / #20180096949

Dual-sided radio-frequency package with overmold structure

A packaged radio-frequency device is disclosed, including a packaging substrate configured to receive one or more components, the packaging substrate including a first side and a second side. A shielded package may be implemented on the first side of the packaging substrate, the shielded package including a first circuit and a first overmold structure, the shielded package configured to provide radio-frequency shielding for at least a portion of the first circuit. ... Skyworks Solutions Inc

03/29/18 / #20180091136

Main-auxiliary field-effect transistor structures for radio frequency applications

Disclosed herein are switching or other active fet configurations that implement a main-auxiliary branch design. Such designs include a circuit assembly for performing a switching function that includes a branch including a main path in parallel with an auxiliary path. ... Skyworks Solutions Inc

03/29/18 / #20180091135

Series main-auxiliary field-effect transistor configurations for radio frequency applications

Disclosed herein are switching or other active fet configurations that implement a main-auxiliary branch design. Such designs include a circuit assembly for performing a switching function that includes a branch including a main path in series with an auxiliary path. ... Skyworks Solutions Inc

03/29/18 / #20180091134

Parallel main-auxiliary field-effect transistor configurations for radio frequency applications

Disclosed herein are switching or other active fet configurations that implement a main-auxiliary branch design. Such designs include a circuit assembly for performing a switching function that includes a branch including a main path in parallel with an auxiliary path. ... Skyworks Solutions Inc

03/29/18 / #20180091133

Hybrid main-auxiliary field-effect transistor configurations for radio frequency applications

Disclosed herein are switching or other active fet configurations that implement a main-auxiliary branch design. Such designs include a circuit assembly for performing a switching function that includes a branch including a main path in parallel with a first auxiliary path and the main path in series with a second auxiliary path. ... Skyworks Solutions Inc

03/29/18 / #20180091132

Stacked auxiliary field-effect transistors with buffers for radio frequency applications

Disclosed herein are switching or other active fet configurations that implement a main-auxiliary branch design. Such designs include a circuit assembly for performing a switching function that includes a branch including a main path in parallel with an auxiliary path, both the main path and the auxiliary path having a plurality of field-effect transistors. ... Skyworks Solutions Inc

03/29/18 / #20180091131

Stacked auxiliary field-effect transistor configurations for radio frequency applications

Disclosed herein are switching or other active fet configurations that implement a main-auxiliary branch design. Such designs include a circuit assembly for performing a switching function that includes a branch including a main path in parallel with an auxiliary path, both the main path and the auxiliary path having a plurality of field-effect transistors. ... Skyworks Solutions Inc

03/29/18 / #20180091114

Quasi-differential rf power amplifier with high level of harmonics rejection

A quasi-differential amplifier with an input port and an output port. The amplifier has a phase shifter network with a first port connected to the input port, a second port, and a third port. ... Skyworks Solutions Inc

03/29/18 / #20180086673

Temperature compensated dielectric material

Disclosed are embodiments of tungsten bronze crystal structures that can have both a high dielectric constant and low temperature coefficient, making them advantageous for applications that experience temperature changes and gradients. In particular, tantalum can be substituted into the crystal structure to improve properties. ... Skyworks Solutions Inc

03/29/18 / #20180086672

Enhanced fracture toughness thermal barrier coating material

Disclosed are embodiments of a multi-phase ceramic material which can have advantageous properties as a thermal barrier coating. In particular, embodiments of the ceramic can have high fracture toughness as well as calcium, magnesium, and aluminum silicate corrosion resistance. ... Skyworks Solutions Inc

03/15/18 / #20180076834

Switchable impedance phase shifter for switched multiplexing applications

Described herein are systems configured for inter-band carrier aggregation. Systems include a multiplexing circuit having a switching network and diplexers wherein the switching network is configured to share inductors between multiple paths of the multiplexing circuit. ... Skyworks Solutions Inc

03/15/18 / #20180076791

Radio-frequency isolation using cavity formed in interface layer

A method for fabricating a semiconductor device involves providing a transistor device, forming one or more electrical connections to the transistor device, forming one or more dielectric layers over at least a portion of the electrical connections, applying an interface material over at least a portion of the one or more dielectric layers, removing at least a portion of the interface material to form a trench, and covering at least a portion of the interface material and the trench with a substrate layer to form a cavity.. . ... Skyworks Solutions Inc

03/15/18 / #20180076774

Radio-frequency amplifier having active gain bypass circuit

Radio-frequency (rf) amplifier having active gain bypass circuit. In some embodiments, an amplifier can include a first amplification path implemented to amplify a signal, and having a cascode arrangement of a first input transistor and a cascode transistor to provide a first gain for the signal when in a first mode. ... Skyworks Solutions Inc

03/15/18 / #20180076772

Apparatus and methods for envelope tracking systems with automatic mode selection

Apparatus and methods for envelope tracking systems with automatic mode selection are provided herein. In certain configurations, a power amplifier system includes a power amplifier that amplifies a radio frequency signal and that receives power from a power amplifier supply voltage. ... Skyworks Solutions Inc

03/15/18 / #20180076770

Power amplifier systems with differential ground

Apparatus and methods for power amplifier systems with differential ground are provided. In certain implementations, a semiconductor die for a radio frequency communication system includes a differential ground network configured to distribute a ground voltage. ... Skyworks Solutions Inc

03/15/18 / #20180076222

Cavity formation using sacrificial material

A method for fabricating a semiconductor device involves providing a semiconductor substrate, forming an oxide layer in the semiconductor substrate, forming a transistor device over the oxide layer, removing at least part of a backside of the semiconductor substrate, applying a sacrificial material below the oxide layer, covering the sacrificial material with an interface material, and removing at least a portion of the sacrificial material to form a cavity at least partially covered by the interface layer.. . ... Skyworks Solutions Inc

03/15/18 / #20180076148

Through-mold features for shielding applications

Through-mold features for shielding applications. In some embodiments, a packaged module can include a packaging substrate having a ground plane, and one or more contact pads implemented on an upper side and electrically connected to the ground plane. ... Skyworks Solutions Inc

03/08/18 / #20180069511

Cascade amplifier linearization in a radio frequency system

A linearization circuit reduces intermodulation distortion in an amplifier that includes a first stage and a second stage. The linearization circuit receives a first signal that includes a first frequency and a second frequency and generates a difference signal having a frequency approximately equal to the difference of the first frequency and the second frequency, generates an envelope signal based at least in part on a power level of the first signal, and adjusts a magnitude of the difference signal based on the envelope signal. ... Skyworks Solutions Inc

03/08/18 / #20180069324

Planar end fire antenna for wideband low form factor applications

An end-fire antenna for wideband low form factor applications includes a first metal layer, a second metal layer, and a dielectric layer disposed between the first and second metal layers. An open cavity formed in the dielectric layer that is filled with air, the cavity defined by a pair of sidewalls that extend from an aperture of the cavity to a rear wall of the cavity, where the depth of the aperture is defined between the aperture and the rear wall. ... Skyworks Solutions Inc

03/08/18 / #20180069314

Antenna for radio-frequency electronics

An antenna for radio-frequency electronics can include an end-fire antenna and a planar antenna spaced from the end-fire antenna for diversity of direction and antenna coverage. The end-fire antenna can be for wideband low form factor applications and have a first metal layer, a second metal layer, and a dielectric layer between the first and second metal layers. ... Skyworks Solutions Inc

03/01/18 / #20180063031

Multi-standard radio switchable multiplexer

Described herein are systems, devices, and methods for a multi-standard radio switchable multiplexer that is configured to process wireless local area network (wlan) signals and cellular signals in the same module. A front end module can be configured to support concurrent operation of wlan signals and cellular signals using switching networks as described herein. ... Skyworks Solutions Inc

03/01/18 / #20180062690

Multi-input amplifier with degeneration switching block and low loss bypass function

Described herein are variable gain amplifiers that selectively provide variable or tailored impedances at a degeneration block and/or feedback block depending at least in part on a gain mode of the variable gain amplifier. This advantageously reduces or eliminates performance penalties in one or more gain modes. ... Skyworks Solutions Inc

03/01/18 / #20180062682

Filtering architectures and methods for wireless applications

Filtering architectures and methods for wireless applications. In some embodiments, a wireless architecture can include a pre-amplifier filter configured to filter a signal, and an amplifier assembly configured to amplify the filtered signal. ... Skyworks Solutions Inc

03/01/18 / #20180062622

Binary-weighted attenuator having compensation circuit

Binary-weighted attenuator having compensation circuit. In some embodiments, a radio-frequency (rf) attenuator circuit can include a plurality of attenuation blocks arranged in series between an input node and an output node, with each of the plurality of attenuation blocks including a bypass path. ... Skyworks Solutions Inc

03/01/18 / #20180062621

Attenuators having phase shift and gain compensation circuits

Attenuators having phase shift and gain compensation circuits. In some embodiments, a radio-frequency (rf) attenuator circuit can include one or more attenuation blocks arranged in series between an input node and an output node, with each attenuation block including a local bypass path. ... Skyworks Solutions Inc

03/01/18 / #20180062601

Amplifier with improved return loss and mismatch over gain modes

Disclosed herein are signal amplifiers that have an input impedance that varies over different bias currents. The signal amplifier includes a gain stage with a plurality of switchable amplification branches that are each capable of being activated such that one or more of the activated amplification branches provides a targeted adjustment to the input impedance. ... Skyworks Solutions Inc

03/01/18 / #20180062600

Multi-input amplifier with programmable embedded attenuators

Described herein are variable gain amplifiers and multiplexers that embed programmable attenuators into switchable paths that allow signals in a high gain mode to bypass attenuation. This advantageously reduces or eliminates performance penalties in the high gain mode. ... Skyworks Solutions Inc

03/01/18 / #20180062599

Low-noise amplifier having programmable-phase gain stage

Low-noise amplifier having programmable-phase gain stage. In some embodiments, a radio-frequency amplifier can include an input node, an output node, and a programmable-phase gain stage implemented between the input node and the output node. ... Skyworks Solutions Inc

03/01/18 / #20180062598

Multi-input amplifier with improved return loss and mismatch over gain modes

A signal amplifier having an input impedance that varies over different bias currents, the signal amplifier comprising a compensation stage including a switchable variable resistance configured to provide a targeted adjustment to the input impedance. A signal amplifier comprising: a variable-gain stage configured to provide a plurality of gain levels that result in different input impedance values; and a compensation stage having a switchable variable resistance configured to provide a targeted adjustment to a respective input impedance. ... Skyworks Solutions Inc

03/01/18 / #20180062585

Devices and methods related to embedded sensors for dynamic error vector magnitude corrections

Devices and methods related to embedded sensors for dynamic error vector magnitude corrections. In some embodiments, a power amplifier (pa) can include a pa die and an amplification stage implemented on the pa die. ... Skyworks Solutions Inc

03/01/18 / #20180062582

Low-noise amplifier having inter-stage filter

Low-noise amplifier having inter-stage filter. In some embodiments, an amplifier assembly for amplifying a signal can include an input amplification stage and an output amplification stage. ... Skyworks Solutions Inc

03/01/18 / #20180062580

Output power cell for cascode amplifiers

A cascode power cell for a power amplifier circuit includes a radio frequency signal input node, a radio frequency signal output node, and a plurality of sub-cells each including a first transistor having a collector coupled to the radio frequency signal output node, each of the plurality of sub-cells further including a second transistor having a collector coupled to an emitter of the first transistor at a connection node, and a base coupled to the radio frequency signal input node, the connection nodes for each of the plurality of sub-cells being electrically isolated from one another.. . ... Skyworks Solutions Inc

03/01/18 / #20180062321

Methods and apparatus for adaptive grounding and noise mitigation in mixed-signal devices

Methods and apparatus for providing adaptive grounding in mixed-signal electronic dies, circuits, modules, or other devices. In one example a module in which adaptive grounding is implemented includes a substrate having disposed thereon a plurality of signal contacts and a ground connection, and a mixed-signal die disposed on the substrate and including a signal section and a control section, the signal section having a plurality of radio frequency components each connected to a respective one of the plurality of signal contacts on the substrate by a corresponding signal connector, and the control section having at least two ground paths that selectively connect the control section to the ground connection on the substrate and which are physically spaced apart from one another, the mixed-signal die further including at least two switches, each operable to selectively connect one of the ground paths to the ground connection.. ... Skyworks Solutions Inc

03/01/18 / #20180062231

Low-noise amplifier with low-loss bypass mode

Aspect and examples described herein provide radio-frequency amplifier circuits and methods. In one example, an amplifier circuit comprises a bypass circuit selectively coupled between an input and an output via at least one bypass switch, the at least one bypass switch configured to couple the input and the output through the bypass circuit during a bypass mode of operation, a low-noise amplifier circuit coupled between the input and the output and including a transistor, the transistor configured to couple the input and the output through the low-noise amplifier circuit during a low-noise amplifier mode of operation, a direct-current switch coupled to the bypass circuit and the low-noise amplifier circuit and configured to select between the bypass mode and the low-noise amplifier mode, and an inductor interposed between the input and the direct-current switch, the inductor being coupled to electrical ground via the direct-current switch during the low-noise amplifier mode.. ... Skyworks Solutions Inc

03/01/18 / #20180061651

Methods of measuring electrical characteristics during plasma etching

Wafers processed by methods of plasma etching are disclosed. In one embodiment, a wafer is prepared by a process including positioning the wafer within a chamber of a plasma etcher, generating plasma ions using a radio frequency power source and a plasma source gas, directing the plasma ions toward the wafer using an electric field, focusing the plasma ions using a plasma focusing ring to increase a flux of plasma ions arriving at a surface of the wafer, and etching a plurality of through-wafer vias in the wafer.. ... Skyworks Solutions Inc

03/01/18 / #20180061507

Fuse state sensing circuits, devices and methods

Fuse state sensing circuits, devices and methods. In some embodiments, a fuse state sensing circuit can include an enable block configured to enable a flow of a fuse current resulting from a supply voltage to a fuse element upon receipt of an enable signal substantially at the same time as when the supply voltage is applied. ... Skyworks Solutions Inc

03/01/18 / #20180057410

Composite hexagonal ferrite materials

Disclosed herein are embodiments of composite hexagonal ferrite materials formed from a combination of y phase and z phase hexagonal ferrite materials. Advantageously, embodiments of the material can have a high resonant frequency as well as a high permeability. ... Skyworks Solutions Inc

02/22/18 / #20180054178

Digital switched attenuator

An attenuation cell is provided for use in a switched attenuator. The attenuation cell includes an attenuation path that has an input, a first switch, a resistive network, a second switch, and an output. ... Skyworks Solutions Inc

02/22/18 / #20180054172

Devices and methods related to adjusting power provided to power amplifiers

Devices and methods related to adjusting power provided to power amplifiers. In some embodiments, a power amplifier (pa) module may include a pa circuit configured to receive a radio-frequency (rf) signal, the pa circuit coupled to a power source. ... Skyworks Solutions Inc

02/22/18 / #20180054171

Apparatus and methods for low noise amplifiers with mid-node impedance networks

Apparatus and methods for lnas with mid-node impedance networks are provided herein. In certain configurations, an lna includes an input, an output, a transconductance device, a cascode device, and a mid-node impedance network. ... Skyworks Solutions Inc

02/22/18 / #20180054169

Amplifier biasing circuits and method

Circuits and methods for adjusting one or more operation parameters of a semiconductor device. One example of a circuit includes a first semiconductor device, a beta sensing circuit coupled to the first semiconductor device and configured to measure a current gain of the first semiconductor device and generate a first control signal based on a value of the current gain of the first semiconductor device, and a reference control circuit coupled to the beta sensing circuit and configured to receive the first control signal and adjust an operation parameter of the first semiconductor device based on the value of the current gain of the first semiconductor device.. ... Skyworks Solutions Inc

02/22/18 / #20180054166

Apparatus and methods for biasing low noise amplifiers

Apparatus and methods for biasing low noise amplifiers are provided herein. In certain configurations, a low noise amplifier (lna) includes an input, an output, a transconductance device, a cascode device, a bias current source, and a feedback bias circuit. ... Skyworks Solutions Inc

02/15/18 / #20180048345

Apparatus and methods for filter bypass for radio frequency front-ends

Apparatus and methods for filter bypass for radio frequency front-ends are provided. In certain configurations, filter connectivity of a front-end is changed as a function of automatic gain control (agc) in a receive path. ... Skyworks Solutions Inc

02/15/18 / #20180048305

Radio-frequency switch with switchable capacitor

Radio-frequency switch with switchable capacitor. In some embodiments, a rf switch includes a first field-effect transistor (fet) disposed between an input node and an output node. ... Skyworks Solutions Inc

02/15/18 / #20180048296

Radio-frequency switch without negative voltages

Radio-frequency (rf) switch without negative voltages. In some embodiments, a rf switch includes an input node configured to receive an rf signal. ... Skyworks Solutions Inc

02/15/18 / #20180047715

Stack device having voltage compensation

Stack device having voltage compensation. In some embodiments, a switching device can include switching elements connected in series between a first terminal and a second terminal, with a first end switching element being connected to the first terminal and a second end switching element being connected to the second terminal. ... Skyworks Solutions Inc

02/15/18 / #20180047670

Programmable fuse with single fuse pad and control methods thereof

A fuse circuit that permits a fuse to be selected and programmed using a single fuse pad. The fuse circuit includes a fuse pad to receive a first voltage, a fuse coupled in series with a voltage controlled switch between the fuse pad and a reference node, and a switch control circuit coupled in series between the fuse pad and the reference node and in parallel with the fuse and the voltage controlled switch, the switch control circuit being configured to select and program the fuse responsive to the first voltage received at the fuse pad. ... Skyworks Solutions Inc

02/15/18 / #20180047650

Packaging structures with improved adhesion and strength

According to various aspects and embodiments, a support structure for packaging an electronic device is provided. In one example, a packaged electronic device includes a substrate, at least one electronic device disposed on the substrate, an encapsulation structure disposed on the substrate and having a wall that forms a perimeter around the at least one electronic device, and at least one support structure formed from a photosensitive polymer and disposed adjacent the wall of the encapsulation structure. ... Skyworks Solutions Inc

02/08/18 / #20180041204

Switch with envelope injection

Aspects of this disclosure relate to a switching circuit with enhanced linearity. The switching circuit can include a switch and an envelope generator. ... Skyworks Solutions Inc

02/08/18 / #20180041170

Radio frequency system with switch to receive envelope

Aspects of this disclosure relate to a radio frequency system that includes an envelope generator configured to generate an envelope signal corresponding to an envelope of a radio frequency signal and at least two radio frequency components coupled to the envelope generator. One of the radio frequency components is a radio frequency switch configured to pass the radio frequency signal. ... Skyworks Solutions Inc

02/01/18 / #20180035052

Systems and methods for extending operation of radio-frequency power amplifiers

Systems and methods for extending operation of radio-frequency (rf) power amplifiers. In some embodiments, a method for fabricating a wireless device can be implemented. ... Skyworks Solutions Inc

02/01/18 / #20180034661

Multi mode interface and detection circuit

A communication interface circuit includes a plurality of terminals, two receiver circuits, and a detection circuit. The detection circuit is coupled to at least one of the terminals and detects a communication format, and the detection circuit enables one of the two receiver circuits based on the detected communication format.. ... Skyworks Solutions Inc

02/01/18 / #20180034567

Apparatus and methods for testing patch antennas

Apparatus and methods for testing of patch antennas are provided herein. In certain configurations, a method of electronic testing of patch antennas is provided. ... Skyworks Solutions Inc








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