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Inphi Corporation patents


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

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "I" | Inphi Corporation-related inventors


Fiber coupler for silicon photonics

An apparatus for converting fiber mode to waveguide mode. The apparatus includes a silicon substrate member and a dielectric member having an elongated body. Part of the elongated body from a back end overlies the silicon substrate member and remaining part of the elongated body up to a front end... Inphi Corporation

Transimpedance amplifier with variable inductance input reducing peak variation over gain

A transimpedance amplifier (TIA) structure includes an input node with a variable inductance component serving to reduce variation in peak amplitude over different gain conditions. According to certain embodiments, an inductor at the TIA input has a first node in communication with a Field Effect Transistor (FET) drain, and a... Inphi Corporation

High-speed optical communications system

A receiver for fiber optic communications.... Inphi Corporation

Single-chip control module for an integrated system-on-a-chip for silicon photonics

The present invention provides an integrated system-on-chip device. The device is configured on a single silicon substrate member. The device has a data input/output interface provided on the substrate member. The device has an input/output block provided on the substrate member and coupled to the data input/output interface. The device... Inphi Corporation

Single-chip control module for an integrated system-on-a-chip for silicon photonics

The present invention provides an integrated system-on-chip device. The device is configured on a single silicon substrate member. The device has a data input/output interface provided on the substrate member. The device has an input/output block provided on the substrate member and coupled to the data input/output interface. The device... Inphi Corporation

Cycle slip compensation in a coherent receiver

A receiver architecture and method recovers data received over an optical fiber channel in the presence of cycle slips. In a first cycle slip recovery architecture, a receiver detects and corrects cycle slips based on pilot symbols inserted in the transmitted data. In a second cycle slip recovery architecture, a... Inphi Corporation

Integrated photo detector, making the same

An integrated photo detector with enhanced electrostatic discharge damage (ESD) protection. The integrated photo detector includes a first photodiode formed in the SOI substrate and associated with a first p-electrode and a first n-electrode. Additionally, the integrated photo detector includes a second photodiode formed in the SOI substrate associated with... Inphi Corporation

Optical module

An integrated apparatus with optical/electrical interfaces and protocol converter on a single silicon substrate. The apparatus includes an optical module comprising one or more modulators respectively coupled with one or more laser devices for producing a first optical signal to an optical interface and one or more photodetectors for detecting... Inphi Corporation

Self biased dual mode differential cmos tia for 400g fiber optic links

A transimpedance amplifier (TIA) device. The device includes a photodiode coupled to a differential TIA with a first and second TIA, which is followed by a Level Shifting/Differential Amplifier (LS/DA). The photodiode is coupled between a first and a second input terminal of the first and second TIAs, respectively. The... Inphi Corporation

Enhanced digital diagnostics for optical pam apparatus

A Pulse Amplitude Modulated (PAM) optical device utilizing multiple wavelengths, features a communications interface having enhanced diagnostics capability. New registers are created to house additional diagnostic information, such as error rates. The diagnostic information may be stored in raw form, or as processed on-chip utilizing local resources.... Inphi Corporation

Apparatus and recovering data at an optical receiver with automatic tuning

An optical receiver that recovers data is disclosed. The optical receiver includes a photodetector configured to convert an optical signal into a current signal, and a TIA (Transimpedance Amplifier) configured to operate according to a set of parameters to convert the current signal to a voltage signal. The optical receiver... Inphi Corporation

Differential circuits with constant gm bias

The present invention is directed to electrical circuits and techniques thereof. More specifically, embodiments of the present invention provide a differential amplifier that has a differential amplifier section, a current source, and a feedback section. The differential amplifier section comprises NMOS transistors that receives two voltage inputs and generate a... Inphi Corporation

Enhanced digital diagnostics for optical pam apparatus

A Pulse Amplitude Modulated (PAM) optical device utilizing multiple wavelengths, features a communications interface having enhanced diagnostics capability. New registers are created to house additional diagnostic information, such as error rates. The diagnostic information may be stored in raw form, or as processed on-chip utilizing local resources.... Inphi Corporation

Broadband silicon nitride polarization beam splitter

A compact polarization beam splitter is formed by cascading two stages of three restricted MMIs. Each MIMI is configured to set ultra compact width and length for a rectangular waveguide body to limit no more than 4 modes therein working as a polarization beam splitter in a 50 nm wavelength... Inphi Corporation

Built-in self test for loopback on communication system on chip

In an example, the present invention includes an integrated system-on-chip device. The device is configured on a single silicon substrate member. The device has a data input/output interface provided on the substrate member. The device has an input/output block provided on the substrate member and coupled to the data input/output... Inphi Corporation

Temperature insensitive delay line interferometer

A silicon photonics based temperature-insensitive delay line interferometer (DLI). The DLI includes a first arm comprising a first length of a first material characterized by a first group index corresponding to a first phase delay to transfer a first light wave with a first peak frequency and a second arm... Inphi Corporation

Coherent transceiver architecture

A coherent receiver comprises an ingress signal path having an ingress line-side interface, and an ingress host-side interface. The ingress signal path is configured to receive an analog signal vector at the ingress line-side interface, to demodulate the analog signal vector, and to output a digital data signal Fat the... Inphi Corporation

Multilane variable bias for an optical modulator

In an example, the present invention includes an integrated system on chip device. The device has a variable bias block configured with the control block, the variable bias block being configured to selectively tune each of a plurality of laser devices provided on the silicon photonics device to adjust for... Inphi Corporation

56 gbps pam4 driver module for mach zehnder modulator

A PAM4 driver with at least 56 Gbps speed for driving a Mach-Zehnder modulator. The PAM4 driver is configured as 2-bit CMOS digital-to-analog convertor including a drive control module for receiving a pair of incoming differential digital data and generating a first processed reference signal and a second processed reference... Inphi Corporation

Dc blocking circuit with bias control and independent cut-off frequency for ac-coupled circuits

A circuit for blocking undesired input direct current of AC-coupled broadband circuits. The circuit includes a capacitor coupled to an input port and a common node. The input port receives a RF input signal. Additionally, the circuit includes a current source supplying a DC current to the common node leading... Inphi Corporation

Optical communication interface utilizing n-dimensional double square quadrature amplitude modulation

The present invention is directed to data communication system and methods. More specifically, various embodiments of the present invention provide a communication interface that is configured to transfer data at high bandwidth using nDSQ format(s) over optical communication networks. In certain embodiments, the communication interface is used by various devices,... Inphi Corporation

Timing recovery for optical coherent receivers in the presence of polarization mode dispersion

A timing recovery system generates a sampling clock to synchronize sampling of a receiver to a symbol rate of an incoming signal. The input signal is received over an optical communication channel. The receiver generates a timing matrix representing coefficients of a timing tone detected in the input signal. The... Inphi Corporation

Deskew in a high speed link

Systems and methods for high speed communications are described herein. In certain aspects, the systems and methods include innovative transceiver architectures and techniques for re-timing, multiplexing, de-multiplexing and transmitting data. The systems and methods can be used to achieve reliable high-speed point-to-point communication between different electronic devices, computing devices, storage... Inphi Corporation

Method and system using driver equalization in transmission line channels with power or ground terminations

A driver circuit device using driver equalization in power and ground terminated transmission line channels. The driver circuit device can include a weaker pull-up driver, which is needed to pre-emphasize the pull-up signal for driver equalization in power terminated transmission line channels. The driver circuit device can also include a... Inphi Corporation

Delay line interferometer with polarization compensation at selective frequency

An apparatus of polarization self-compensated delay line interferometer. The apparatus includes a first waveguide arm of a first material of a first length disposed between an input coupler and an output coupler and a second waveguide arm of the first material of a second length different from the first length... Inphi Corporation

Split cascode circuits and related communication receiver architectures

Split cascade circuits include multiple cascade paths coupled between voltage supply rails. Each cascade path includes a pair of controllable switches. A feedback path is provided for at least one of the cascade circuit paths. An active load circuit may also have a split cascade structure. Multiple-stage circuits, for implementation... Inphi Corporation

Compact optical transceiver by hybrid multichip integration

A compact optical transceiver formed by hybrid multichip integration. The optical transceiver includes a Si-photonics chip attached on a PCB. Additionally, the optical transceiver includes a first TSV interposer and a second TSV interposer separately attached nearby the Si-photonics chip on the PCB. Furthermore, the optical transceiver includes a driver... Inphi Corporation

Vertical integration of hybrid waveguide with controlled interlayer thickness

An silicon photonics device of hybrid waveguides having a coupling interlayer with an accurately controlled thickness and a method of making the same. The device includes a first plurality of Si waveguides formed in a SOI substrate and a first layer of SiO2 overlying the first plurality of Si waveguides... Inphi Corporation

Optical transceiver by fowlp and dop multichip integration

An optical transceiver by hybrid multichip integration. The optical transceiver includes a PCB with a plurality of prefabricated surface bonding sites. A first chip includes a FOWLP package of multiple electronics devices embedded in a dielectric molding layer overlying a dielectric redistribution layer is disposed on the PCB by respectively... Inphi Corporation

Pam4 transceivers for high-speed communication

The present invention is directed to data communication. More specifically, embodiments of the present invention provide a transceiver that processes an incoming data stream and generates a recovered clock signal based on the incoming data stream. The transceiver includes a voltage gain amplifier that also performs equalization and provides a... Inphi Corporation

Eye modulation for pulse-amplitude modulation communication systems

The present invention is directed to communication systems. More specifically, embodiments of the present invention provide a technique and system thereof for performing eye modulation. Eye modulation is performed at the transmission side of a PAM communication system to compensate for distortion and non-linearity and generate an output waveform. Spacing... Inphi Corporation

Circuit for multi-path interference mitigation in an optical communication system

A circuit and method for mitigating multi-path interference in direct detection optical systems is provided. Samples of an optical signal having a pulse amplitude modulated (PAM) E-field are processed by generating a PAM level for each sample. For each sample, the sample is subtracted from the respective PAM level to... Inphi Corporation

Apparatus and communicating data over an optical channel

An optical module processes first FEC (Forward Error Correction) encoded data produced by a first FEC encoder. The optical module has a second FEC encoder for further coding a subset of the first FEC encoded data to produce second FEC encoded data. The optical module also has an optical modulator... Inphi Corporation

Enhanced digital diagnostics for optical pam apparatus

A Pulse Amplitude Modulated (PAM) optical device utilizing multiple wavelengths, features a communications interface having enhanced diagnostics capability. New registers are created to house additional diagnostic information, such as error rates. The diagnostic information may be stored in raw form, or as processed on-chip utilizing local resources.... Inphi Corporation

Driver module for mach zehnder modulator

A single chip dual-channel driver for two independent traveling wave modulators. The driver includes two differential pairs inputs per channel respectively configured to receive two digital differential pair signals. The driver further includes a two-bit DAC per channel coupled to the two differential pairs inputs to produce a single analog... Inphi Corporation

07/27/17 / #20170214554

Pam data communication with reflection cancellation

The present invention is directed to data communication systems and methods. More specifically, embodiments of the present invention provide a communication system that removes reflection signals. A digital data stream is processed through both tentative path and the main path. The tentative path uses a first DFE device and a... Inphi Corporation

07/20/17 / #20170207864

Low power buffer with gain boost

The present disclosure provides a detailed description of techniques for implementing a low power buffer with gain boost. More specifically, some embodiments of the present disclosure are directed to a buffer with a stacked transistor configuration, wherein the first transistor receives an input signal and the second transistor receives a... Inphi Corporation

07/20/17 / #20170207904

Circuit and creating additional data transitions

When a data path includes CMOS circuitry, such circuitry may introduce into the data signal. Embodiments are described in which additional data transitions are made to occur, and these additional data transitions may change the characteristics of the data frequency content transferred to the power supply so that such noise... Inphi Corporation

07/20/17 / #20170207908

Skew management for pam communication systems

The present invention is directed to communication systems. According to embodiments of the present invention, a communication system includes at least two communication lanes and a skew management module. The skew management module generates a control current based on output test patterns of the two communication lanes. The control current... Inphi Corporation

07/20/17 / #20170207933

Fec coding identification

The present invention is directed to data communication systems and methods. More specifically, embodiments of the present invention provide techniques for transceivers to quickly identify FEC mode used in data communication. A transmitting transceiver embeds FEC mode information in a designated field of an alignment marker. The receiving transceiver acknowledges... Inphi Corporation

07/13/17 / #20170200498

Data clock synchronization in hybrid memory modules

Disclosed herein are techniques for implementing data clock synchronization in hybrid memory modules. Embodiments comprise a clock synchronization engine at a command buffer to generate a synchronized data clock having a phase relationship with data signals from a non-volatile memory controller that compensates for various synchronous and/or asynchronous delays to... Inphi Corporation

07/13/17 / #20170201267

Interleaved successive approximation register analog to digital converter

In an example, the present invention provides an analog to digital converter device for a high speed data transmission from 1 GS-s to 100 GS-s, although there can be other variations. In an example, the device has an input receiver device coupled to a transimpedance amplifier. In an example, the... Inphi Corporation

07/06/17 / #20170194970

Cmos interpolator for a serializer/deserializer communication application

The present invention relates generally to integrated circuits. More particularly, the present invention provides a circuit and method for regulating a voltage for a high speed serializer/deserializer (SerDes) device. But it will be recognized that the technique can be used for regulating memory devices (e.g., DDR 4 SDRAM devices, DDR4... Inphi Corporation

06/29/17 / #20170184941

Balanced mach-zehnder modulator

An apparatus for modulating a beam of light with balanced push-pull mechanism. The apparatus includes a first waveguide comprising a first PN junction on a silicon-on-insulator substrate and a second waveguide comprising a second PN junction on the silicon-on-insulator substrate. The second PN junction is a replica of the first... Inphi Corporation

06/29/17 / #20170187343

Method for improving stable frequency response of varible gain amplifier

A variable gain amplifier having stabilized frequency response for widened gain control range. A resistor-capacitor compensation network is provided between two differential current input ports and corresponding emitter nodes of cross-coupled four transistors in the variable gain amplifier to desensitize the gain control voltages to the system noise and provide... Inphi Corporation

06/29/17 / #20170187555

Pulse amplitude modulation (pam) data communication with forward error correction

The present invention is directed to data communication system and methods. More specifically, embodiments of the present invention provide an apparatus that receives data from multiple lanes, which are then synchronized for transcoding and encoding. A pseudo random bit sequence checker may be coupled to each of the plurality of... Inphi Corporation

06/22/17 / #20170179934

Sr latch circuit with single gate delay

An SR latch circuit with single gate delay is provided. The circuit has an an enable input and an SR latch. There is first input stage having an input for receiving a set input and having an output for producing a first component of the SR latch circuit output, the... Inphi Corporation

06/08/17 / #20170163408

Frequency acquisition for serdes receivers

The present invention is directed to data communication. More specifically, embodiments of the present invention provide a method for acquiring sampling frequency by sweeping through a predetermined frequency range, performing data sampling at different frequencies within the predetermined frequency range, and determining a target frequency for sampling data based on... Inphi Corporation

05/18/17 / #20170141843

Built-in self test for loopback on communication system on chip

In an example, the present invention includes an integrated system-on-chip device. The device is configured on a single silicon substrate member. The device has a data input/output interface provided on the substrate member. The device has an input/output block provided on the substrate member and coupled to the data input/output... Inphi Corporation

05/11/17 / #20170131153

Voltage and temperature sensor for a serializer/deserializer communication application

The present invention relates to integrated circuits. More specifically, embodiments of the present invention provide methods and systems for determining temperatures of an integrated circuit using an one-point calibration technique, where temperature is determined by a single temperature measurement and calculation using known electrical characteristics of the integrated circuit.... Inphi Corporation

05/11/17 / #20170134034

Systems and methods for comparator calibration

The present invention is directed integrated circuits and methods thereof. More specifically, an embodiment of the present invention provides a comparator calibration loop where a digital integrator stores a running sum based on the output of a comparator. A DAC converts the running sum and generates an offset calibration voltage,... Inphi Corporation

05/11/17 / #20170134095

Driver module for mach zehnder modulator

A single chip dual-channel driver for two independent traveling wave modulators. The driver includes two differential pairs inputs per channel respectively configured to receive two digital differential pair signals. The driver further includes a two-bit DAC per channel coupled to the two differential pairs inputs to produce a single analog... Inphi Corporation

05/04/17 / #20170123160

Fiber coupler for silicon photonics

An apparatus for converting fiber mode to waveguide mode. The apparatus includes a silicon substrate member and a dielectric member having an elongated body. Part of the elongated body from a back end overlies the silicon substrate member and remaining part of the elongated body up to a front end... Inphi Corporation

05/04/17 / #20170124022

Monolithically integrated system on chip for silicon photonics

In an example, the present invention includes an integrated system on chip device. The device is configured on a single silicon substrate member. The device has a data input/output interface provided on the substrate member and configured for a predefined data rate and protocol. The device has an input/output block... Inphi Corporation

05/04/17 / #20170126217

Low power buffer with dynamic gain control

The present disclosure provides a detailed description of techniques for implementing a low power buffer with dynamic gain control. More specifically, some embodiments of the present disclosure are directed to a buffer having a gain boost configuration and a current shunt circuit to control the gain of a respective gain... Inphi Corporation

05/04/17 / #20170126313

System and calibration of an optical module

A system and method for calibrating an optical module. The optical module including a microprocessor with non-volatile memory is provided at a calibration station for measuring calibrated value of a device parameter against raw values starting from minimum value in each of multiple zones of a primary parameter with one... Inphi Corporation

05/04/17 / #20170126322

Wavelength control of two-channel demux/mux in silicon photonics

Method and devices of controlling wavelengths in two-channel DEMUX/MUX in silicon photonics are provided. The two-channel DEMUX/MUX includes a waveguide-based delay-line-interferometer at least in receiver portion of a two-channel transceiver for DWDM optical transmission loop and is configured to split a light wave with combined two-wavelengths into one light wave... Inphi Corporation

05/04/17 / #20170126329

Wideband low dropout voltage regulator with power supply rejection boost

The present disclosure provides a detailed description of techniques for implementing a wideband low dropout voltage regulator with power supply rejection boost. More specifically, some embodiments of the present disclosure are directed to a voltage regulator comprising a voltage regulator core powered by a supply voltage and providing a regulated... Inphi Corporation

05/04/17 / #20170127159

Configurable multi-rate format for communication system for silicon photonics

In an example, the present invention includes an integrated system on chip device. The device has a data input/output interface provided on the substrate member and configured for a predefined data rate and protocol. In an example, the data input/output interface is configured for number of lanes numbered from four... Inphi Corporation

05/04/17 / #20170127160

Multilane variable bias for an optical modulator

In an example, the present invention includes an integrated system on chip device. The device has a variable bias block configured with the control block, the variable bias block being configured to selectively tune each of a plurality of laser devices provided on the silicon photonics device to adjust for... Inphi Corporation

04/27/17 / #20170118046

System and adjusting clock phases in a time-interleaved receiver

Clock timing skew may occur during operation of a time-interleaved receiver. It would be beneficial to try to determine if there is timing skew, and if there is, then address it, such as by reducing or eliminating some or all of the timing skew. Embodiments are described herein that may... Inphi Corporation

04/20/17 / #20170111110

Integrated driver redundancy for a silicon photonics device

In an example, the present invention includes an integrated system on chip device. At least a pair of laser devices are associated with a channel and coupled to a switch to select one of the pair of laser devices to be coupled to an optical multiplexer to provide for a... Inphi Corporation

03/30/17 / #20170090122

Temperature insensitive demux/mux in silicon photonics

A temperature insensitive DEMUX/MUX device whose wavelength does not change by environment temperature is provided for WDM application. The temperature insensitive DEMUX/MUX device includes a waveguide-based delay-line-interferometer configured to receive an input light bearing multiplexed wavelengths and output a first output light bearing the same multiplexed wavelengths but with a... Inphi Corporation

03/30/17 / #20170090132

Package structure for photonic transceiving device

A photonic transceiver apparatus in Quad Small Form-factor Pluggable (QSFP) package. The apparatus includes a case having a base member, two partial side members, and a lid member to provide a spatial volume with an opening at a back end of the base member. Additionally, the apparatus includes a printed... Inphi Corporation

03/30/17 / #20170093124

Small form factor transmitting device

A packaged transmitter device includes a base member comprising a planar part mounted with a thermoelectric cooler, a transmitter, and a coupling lens assembly, and an assembling part connected to one side of the planar part. The device further includes a circuit board bended to have a first end region... Inphi Corporation

Patent Packs
03/30/17 / #20170093379

Sr latch circuit with single gate delay

An SR latch circuit with single gate delay is provided. The circuit has an an enable input and an SR latch. There is first input stage having an input for receiving a set input and having an output for producing a first component of the SR latch circuit output, the... Inphi Corporation

03/30/17 / #20170093513

Optical module

An integrated apparatus with optical/electrical interfaces and protocol converter on a single silicon substrate. The apparatus includes an optical module comprising one or more modulators respectively coupled with one or more laser devices for producing a first optical signal to an optical interface and one or more photodetectors for detecting... Inphi Corporation

03/23/17 / #20170085361

Circuit and creating additional data transitions

When a data path includes CMOS circuitry, such circuitry may introduce jitter into the data signal. Embodiments are described in which additional data transitions are made to occur, and these additional data transitions may change the characteristics of the data frequency content transferred to the power supply so that such... Inphi Corporation

03/16/17 / #20170078084

Serdes with high-bandwith low-latency clock and data recovery

The present application is directed to data communication. More specifically, embodiments of the present invention provide a SerDes system that includes multiple communication lanes that are aligned using a clock signal. Each of the communication lanes comprises a receiver, a buffer, and a transmitter. The receiver uses multiple sampling lanes... Inphi Corporation

03/16/17 / #20170078120

Continuous time linear equalization for current-mode logic with transformer

The present invention is directed to data communication systems and methods. More specifically, embodiments of the present invention provide a CML that uses one or more equalization modules to apply equalization via secondary windings of transformers that are coupled, directly or indirectly, to the CML outputs. The equalization modules comprises... Inphi Corporation

03/09/17 / #20170070294

Integrated control module for communication system-on-a-chip for silicon photonics

In an example, the present invention includes an integrated system-on-chip device. The device is configured on a single silicon substrate member. The device has a data input/output interface provided on the substrate member. The device has an input/output block provided on the substrate member and coupled to the data input/output... Inphi Corporation

03/02/17 / #20170059889

Off quadrature biasing of mach zehnder modulator for improved osnr performance

An integrated optical modulator device. The device can include a driver module coupled to an optical modulator. The optical modulator is characterized by a raised cosine transfer function. This optical modulator can be coupled to a light source and a bias control module, which is configured to apply an off-quadrature... Inphi Corporation

03/02/17 / #20170063520

Loss of signal detection on cdr

The present invention is directed to data communication. More specifically, an embodiment of the present invention provides a technique for detecting loss of signal. An incoming data stream is sampled and a recovered clock signal is generated accordingly. An output clock signal of a higher frequency than the recovered clock... Inphi Corporation

02/09/17 / #20170038531

Silicon photonics device and communication system therefor

A silicon photonics device and system therefor. The silicon photonics device can include a 300 nm SOI (silicon-on-insulator with 300 nm top Si) overlying a substrate member. A waveguide structure can be configured from a portion of the SOI layer and disposed overlying the substrate member. This waveguide structure can... Inphi Corporation

02/02/17 / #20170031117

Photonic transceiving device package structure

The apparatus includes a case having a base member, two partial side members, and a lid member to provide a spatial volume with an opening at a back end of the base member. Additionally, the apparatus includes a PCB installed inside the spatial volume over the base member with a... Inphi Corporation

02/02/17 / #20170033799

High frequency delay lock loop systems

The present invention is directed to signal processing system and electrical circuits. According to various embodiments, a DLL system includes a delay line provides multiple output signals associated with different clock phases. The delay line may be adjusted using a pair of bias voltages. A phase detector systems generates the... Inphi Corporation

01/26/17 / #20170023805

Direct-coupled driver for mach-zehnder optical modulators

An optical modulator device directly-coupled to a driver circuit device. The optical modulator device can include a transmission line electrically coupled to an internal VDD, a first electrode electrically coupled to the transmission line, a second electrode electrically coupled to the first electrode and the transmission line. A wave guide... Inphi Corporation

01/26/17 / #20170026058

Reconfigurable fec

The present invention is directed to data communication systems and methods thereof. According to various embodiments, the present invention provides a communication with a reconfigurable forward-error-correction (FEC) module. The FEC module processes data received from two or more communication lanes, and depending on the mode of operation, the FEC module... Inphi Corporation

01/26/17 / #20170026065

Local phase correction

The present invention is directed to integrated circuits and methods thereof. More specifically, embodiments of the present invention provide a local correction for bending communication line pairs. In an IC package, a pair of communication lines is used to provide a physical link for data communication between two or more... Inphi Corporation

01/26/17 / #20170026167

Phase interpolator

Apparatus to implement several high performance phase interpolators are disclosed. Some embodiments are directed to a full-wave integrating phase interpolation core comprising two pairs of in-phase and quadrature-phase current DACs arranged in a cascode architecture to drive an integrating capacitor and produce an interpolation voltage waveform. The current DACs are... Inphi Corporation

Patent Packs
01/26/17 / #20170026202

Pam data communication with reflection cancellation

The present invention is directed to data communication systems and methods. More specifically, embodiments of the present invention provide a communication system that removes reflection signals. A digital data stream is processed through both tentative path and the main path. The tentative path uses a first DFE device and a... Inphi Corporation

01/19/17 / #20170019119

Offset correction for sense amplifier

The present invention is directed to data communication. More specifically, embodiments of the present invention provide an offset correction technique for a SERDES system. A CTLE module for receiving input data signal is set to an isolation mode, and one or more sense amplifiers perform data sampling asynchronously during the... Inphi Corporation

01/19/17 / #20170019179

Method and system for transmitter optimization of an optical pam serdes based on receiver feedback

The present invention is directed to data communication system and methods. More specifically, various embodiments of the present invention provide a communication interface that is configured to transfer data at high bandwidth using PAM format(s) over optical communication networks. A feedback mechanism is provided for adjusting the transmission power levels.... Inphi Corporation

01/19/17 / #20170019182

Optical pam modulation with dual drive mach zehnder modulators and low complexity electrical signaling

The present invention is directed to data communication system and methods. More specifically, various embodiments of the present invention provide a communication interface that is configured to transfer data at high bandwidth using PAM format(s) over optical communication networks. In various embodiments, amplitude and phase of the optical wave are... Inphi Corporation

01/05/17 / #20170005633

Trans-impedance amplifier with replica gain control

This disclosure relates to the field of amplifiers for multi-level optical communication and more particularly to techniques for trans-impedance amplifiers (TIA) with gain control. The claimed embodiments address the problem of implementing a low cost TIA that exhibits high linearity, low noise, low power, and wide bandwidth. More specifically, some... Inphi Corporation

01/05/17 / #20170005731

Integrated control for silicon photonics

In an example, the present invention includes an integrated system on chip device. The device is configured on a single silicon substrate member. The device has a data input/output interface provided on the substrate member. The device has an input/output block provided on the substrate member and coupled to the... Inphi Corporation








ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009



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