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Microsemi Corporation patents


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

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


Flip-chip packaging diode with a multichip structure

A flip-chip packaging diode with a multichip structure includes at least two flip-chips arranged with an interval apart from each other and horizontally disposed on the top of a lower guide plate, and each flip-chip has a bottom electrically connected to the lower guide plate and a top having a conductive layer. An insulating material is filled between the two flip-chips and at the outer periphery of the two flip-chips, so that the conductive layers at the tops of the two flip-chips are isolated to form a first electrode and a second electrode for electrically connecting an external circuit. ... Microsemi Corporation

Resistive random access memory cell

A resistive random access memory cell includes three resistive random access memory devices, each resistive random access memory device having an ion source layer and a solid electrolyte layer. The first and second resistive random access memory devices are connected in series such that either both ion source layers or both solid electrolyte layers are adjacent to one another. ... Microsemi Corporation

Method and apparatus for grouping multiple sas expanders to form a single cohesive sas expander

A sas (serial attached scsi or serial attached small computer system interface) switch includes a master sas expander and a multitude of slave expanders connected to the master sas expander. Each slave expander has a distinct sas address. ... Microsemi Corporation

Power supply glitch detector

A power supply glitch detector includes a sense node ac coupled to a power supply node on which voltage glitches having a magnitude of vglitch are to be detected. A sensing inverter has an input and an output, the input coupled to the sensing node, the sensing inverter having a trip voltage vtrip below which the output of the sensing inverter is at a voltage representing a logic high state and above which the output of the sensing inverter is at a voltage representing a logic low state. ... Microsemi Corporation

Inrush current limit circuitry and method

An inrush current limiting method not requiring the use of a sense resistor, the method constituted of: generating a ramped voltage; comparing a first function of a voltage across a port capacitor with the generated ramp voltage; responsive to the outcome of the comparison of the voltage first function with the ramp voltage, controlling an electronically controlled switch coupled to the port capacitor such that the voltage across the port capacitor is a linear function of the generated ramped voltage; comparing a second function of the voltage at a terminal of the electronically controlled switch with a predetermined reference voltage; and responsive to the outcome of the comparison indicating that the second function of the terminal voltage is greater than the predetermined reference voltage, pulling the generated ramp voltage towards a predetermined shutoff voltage.. . ... Microsemi Corporation

Dual level current limit apparatus and method

A dual level current limit apparatus constituted of: an electronically controlled switch coupled between a load and a line voltage; and a control circuitry arranged to alternately: control said electronically controlled switch to limit the magnitude of current flowing therethrough responsive to the difference between a predetermined first function of the current magnitude and a predetermined reference voltage, and control said electronically controlled switch to limit the magnitude of current flowing therethrough responsive to the difference between said first function of the current magnitude and a predetermined second function of the load voltage.. . ... Microsemi Corporation

Angular position sensor and associated method of use

An angular position sensor comprising at least one planar excitation coil and at least two planar sensing coils positioned within an interior of the at least one planar excitation coil, each of the at least two planar sensing coils comprising a clockwise winding portion positioned opposite a counter-clockwise winding portion and a rotatable inductive coupling element comprising a sector aperture, the rotatable inductive coupling element positioned in overlying relation to the at least one planar excitation coil and separated from the at least one planar excitation coil by an air gap.. . ... Microsemi Corporation

Circuits and methods for preventing over-programming of reram-based memory cells

A method for preventing over-programming of resistive random access (reram) based memory cells in a reram memory array includes applying a programming voltage in a programming circuit path including a reram memory cell to be programmed, sensing programming current drawn by the reram cell while the programming voltage is applied across the memory cell, and decreasing the programming current as a function of a rise in programming current.. . ... Microsemi Corporation

Virtual hybrid for full duplex transmission

Various transmission systems may benefit from techniques to improve the quality of the transmission. For example, certain full duplex transmission systems may include a virtual hybrid coupler. ... Microsemi Corporation

Method and apparatus for reconfigurable multicore oscillator

The present disclosure relates to a reconfigurable multicore inductor capacitor (lc) oscillator comprising a plurality of oscillator cores. The oscillator may be configured at run-time, at manufacturing, or at production, which may allow for the tailoring of operating characteristics of the oscillator, such as phase noise, electromagnetic interference, or power consumption, for a specific application after production. ... Microsemi Corporation

Low power techniques for small form-factor pluggable applications

Various electronic devices may benefit from appropriate power conservation techniques and tools. For example, low power techniques may benefit small form-factor pluggable applications. ... Microsemi Corporation

Clock recovery device with switchable transient non-linear phase adjuster

A clock recovery device recovers a master clock over a packet network from incoming synchronization packets. A frequency locked loop generates a control input to a controlled oscillator, which generates an output clock. ... Microsemi Corporation

Three-transistor resistive random access memory cells

A reram cell array has having at least one row and one column includes first and second complementary bit lines for each row, a word line, a p-word line, and an n-word line for each column. A reram cell at each row and column of the array includes a first reram device, its first end connected to the first complementary bit line of its row, a p-channel transistor, its source connected to a second end of the first reram device, its drain connected to a switch node, its gate connected to the p-channel word line of its column, a second reram device, its first end connected to the second complementary bit line of its row, an n-channel transistor, its source connected to a second end of the second reram device, its drain connected to the switch node, its gate connected to the n-channel word line of its column.. ... Microsemi Corporation

Time-to-digital converter with phase-scaled course-fine resolution

A time-to-digital converter (tdc) measures a time interval Δttot between a leading signal and a triggering signal. A phase regulator incorporates a looped delay line to create pre-defined sub-intervals tnor determined by the length of the delay line. ... Microsemi Corporation

03/22/18 / #20180083634

Low leakage reram fpga configuration cell

A low-leakage resistive random access memory cell includes a complementary pair of bit lines and a switch node. A first reram device is connected to a first one of the bit lines. ... Microsemi Corporation

03/15/18 / #20180077290

Full duplex voice communication system and method

A full duplex voice communication method constituted of: estimating an acoustic echo within a near-end signal; cancelling the estimated acoustic echo; detecting whether, or not, a change has occurred in a near-end acoustic echo path, the received near-end signal represents speech and the received far-end signal represents silence, wherein, responsive to the results thereof, the method is further constituted of: alternately attenuating frequency components of the echo cancelled near-end signal by a first frequency domain attenuation value and by a second greater frequency domain attenuation value; alternately attenuating a first function of the frequency component attenuated echo cancelled near-end signal by a first switchable attenuation value and by a second greater switchable attenuation value; and alternately attenuating a second function of the received far-end signal by a third switchable attenuation value and by a fourth greater switchable attenuation value.. . ... Microsemi Corporation

03/15/18 / #20180074567

Mps generation system and method

An mps generation method, the method constituted of: at a predetermined frequency, alternately outputting a first mps current pulse for a predetermined first time period and not outputting the first mps current pulse for a predetermined first off time period; during the first time period, determining the magnitude of a current drawn by an input capacitor of a dc to dc converter; and responsive to the determined input capacitor current magnitude, outputting between the first terminal and the second terminal a second mps current pulse for a predetermined second time period during the predetermined first off time period.. . ... Microsemi Corporation

02/15/18 / #20180048312

Multi-format driver interface

A multi-format signal driver interface has first, second and third pairs of transistors arranged in a back-to-back relationship. First transistors and second transistors of the first and second pairs of transistors form respective first and second parallel arrangement. ... Microsemi Corporation

02/01/18 / #20180034483

Variable t bch encoding

A system for implementing variable t bch encoders includes: a polynomial multiplier for multiplying a message polynomial by a difference polynomial to achieve a first value, wherein the message polynomial comprises data bits as coefficients and the difference polynomial comprises minimal polynomials that are present in a t error correcting code and are absent from a t−Δt error correcting bch code; a shifter/zero-padder coupled with the bch encoder, the shifter/zero-padder for multiplying the first value by xn−{tilde over (k)} to achieve a second value; a bch encoder coupled with the polynomial multiplier, the bch encoder for dividing the second value by a generator polynomial of the t error correcting bch code and calculating a remainder based on the dividing to achieve a third value; and a polynomial divider for dividing the third value by the difference polynomial to achieve a fourth value comprising parity of the t−Δt error correcting bch code.. . ... Microsemi Corporation

02/01/18 / #20180031431

Angular rotation sensor system

An angular rotation sensor system constituted of: an input shaft target and an output shaft target each comprising a plurality of members parallel to a longitudinal axis of an input shaft or output shaft; a gear target with an angular velocity exhibiting a predetermined ratio with an angular velocity of the input shaft, the gear target comprising a plurality of members, each extending away from the input shaft and orthogonal to a plane which is parallel to the longitudinal axis of the input shaft; and a control circuitry arranged to: determine an angular position of the input shaft responsive to a sensed angular rotation of the input shaft target and a sensed angular rotation of the gear target; and determine the amount of torque applied to the input shaft responsive to the sensed angular rotation of the input shaft target and a sensed angular rotation of the output shaft target.. . ... Microsemi Corporation

01/25/18 / #20180026641

Fpga ram blocks optimized for use as register files

A random access memory circuit adapted for use in a field programmable gate array integrated circuit device is disclosed. The fpga has a programmable array with logic modules and routing interconnects programmably coupleable to the logic modules and the ram circuit. ... Microsemi Corporation

01/04/18 / #20180006683

Reverse power feeding power sourcing equipment and method

A reverse power feeding pse in electrical communication with a dpu, the pse constituted of: a control circuitry; and a detection and classification signal circuitry, arranged to: output a detection signal; output a classification signal; and output an additional signal exhibiting a voltage below an operating range, and wherein the control circuitry is arranged to: responsive to the output first detection signal, detect a valid signature resistance; responsive to the output first classification signal, receive a classification current and determine the class of the dpu; responsive to the output additional signal, detect the absence, or presence, of an off-hook phone; responsive to the detection of the absence of an off-hook phone, and further responsive to the detection of the valid signature resistance, output power exhibiting a voltage within the operating range; and responsive to the detection of the presence of an off-hook phone, not output power.. . ... Microsemi Corporation

11/30/17 / #20170346494

Method of speeding up output alignment in a digital phase locked loop

To speed up output clock alignment in a digital phase locked loop wherein a controlled oscillator generates synthesizer pulses that are divided to produce output pulses at a predetermined normal spacing and time location, and wherein during an alignment procedure the output pulses are moved in time in response to a delay value obtained by comparing a phase of the output pulses with a phase applied to the controlled oscillator averaged over a number of synthesizer pulses in a feedback circuit to align said output pulses with a reference clock taking into account hardware delay, a group of the output pulses is advanced during the alignment procedure to reduce the spacing between them. After determining the delay value averaged over the group of output pulses subsequent output pulses are restored to their normal spacing and time locations.. ... Microsemi Corporation

11/30/17 / #20170346426

Apparatus and method to detect stall condition of a stepper motor

A method for detecting a stall condition in a stepper motor includes measuring stepper motor current, computing load angle of the motor, and detecting a stall condition if the load angle is more than 90 degrees.. . ... Microsemi Corporation

11/30/17 / #20170344682

Method and system for functional verification and power analysis of clock-gated integrated circuits

An apparatus for monitoring operation of a design under test (dut) comprises an incoming clock edge input to detect active clock edges provided to a monitored clock gate; an outgoing clock edge input to detect active clock edges sent from the monitored clock gate; an enable input to detect enable signals provided to the monitored clock gate and any leaf clock gates; a protocol input to receive protocol signals; an upstream clocking input connected to detect active clock edges output from upstream clock gates; and a downstream clocking input connected to detect active clock edges output from downstream clock gates. The apparatus also comprises a memory in communication with the inputs for storing values from the inputs, and a processor in communication with the memory and the inputs, the processor programmed to determine spurious and missing active clock edges sent from the monitored clock gate. ... Microsemi Corporation

11/23/17 / #20170337152

Port mirroring for peripheral component interconnect express devices

An apparatus and method for port mirroring in a plurality of peripheral component interconnect express (pcie) interfaces includes, for each pcie interface, output transmission ports for transmitting data to a central processing unit (cpu), receiving input ports for receiving data from the cpu, port-mirror-in (pm_in) ports, and port-mirror-out (pm_out) ports provided in a phy layer instance. The pm— out ports of each phy layer instance is coupled to the pm_in ports of a next phy layer instance such that the phy layer instances of the plurality of pcie interfaces are connected in a ring bus architecture for mirroring one or more ports of the output transmission ports or the receiving input ports of a first active phy layer instance can be mirrored to output transmission ports of a second phy layer instance.. ... Microsemi Corporation

10/26/17 / #20170309161

Glass breakage detection system

A glass breakage detection method, constituted of: receiving a plurality of audio samples; estimating low frequency power values of the received plurality of audio samples; estimating wide band power values of the received plurality of audio samples; responsive to the estimated wide band power values, determining an amplification value; responsive to the estimated low frequency power being greater than a predetermined threshold, amplifying a function of the received plurality of audio samples by the determined amplification value; comparing the amplified function with a predetermined function of sound of breaking glass; and outputting an indication of the comparison.. . ... Microsemi Corporation

09/14/17 / #20170264717

Frame delineation method for a generic framing procedure

A frame delineation method for a generic framing procedure (gfp) that includes: searching a serial data stream comprising gfp frames, octet by octet, to identify an eight octet sequence; and delineating gfp frames from the serial data stream in response to determining that a first group of four octets of the identified eight octet sequence comprises a valid core header, and in response to determining that a second group of four octets of the identified eight octet sequence comprises one of a valid core header and a valid descrambled type header.. . ... Microsemi Corporation

08/31/17 / #20170249969

Method and system for handling random access write requests for a shingled magnetic recording hard disk drive

Methods, devices and systems are provided for making a shingled magnetic recording (smr) hard disk drive operate with similar random access characteristics of a conventional hard drive despite the smr disk having strict sequential write requirements. A virtual space manager manages a virtual address space, which is visible to a host system, and maps virtual addresses to logical addresses on the smr disk. ... Microsemi Corporation

08/24/17 / #20170244648

Systems and methods for transportation of multiple constant bitrate data streams

Systems and methods are provided for transparently transmitting multiple constant bitrate (cbr) data streams over a packet network with reduced delay. Example embodiments provide packetizers and depacketizers for multiplexing and demultiplexing multiple common public radio interface (cpri) data streams for transport between remote units and baseband units over packet networks. ... Microsemi Corporation

08/17/17 / #20170235864

Methods and systems for functional analysis of an integrated circuit

An apparatus for monitoring operation of a design under test (dut) comprises a plurality of inputs comprising: an incoming clock edge input connected to detect active clock edges provided to a monitored clock gate; an outgoing clock edge input connected to detect active clock edges sent from the monitored clock gate; an enable input connected to detect enable signals provided to the monitored clock gate and any leaf clock gates connected to receive clock edges through the monitored clock gate; and a protocol input connected to receive protocol signals specifying when the monitored clock gate is required to output active clock edges. The apparatus also comprises a memory in communication with the inputs for storing values from the inputs, and a processor in communication with the memory and the inputs, the processor programmed to determine protocol compliance and to calculate energy consequences of dropping of active clock edges.. ... Microsemi Corporation

08/10/17 / #20170230927

Method and system for synchronizing base station and establishing location

With the increasing usage of mobile devices for communication, the need for wireless base-stations deployed in strategic locations is becoming increasingly important. The increased bandwidths being transmitted between the base-station and the mobile device has mandated that enhanced transmission formats and techniques be deployed, and, in order to operate correctly, these techniques require a tight synchronization in both time/phase, and in frequency, between the various base-stations serving a general area. ... Microsemi Corporation

07/27/17 / #20170213597

Nonvolatile memory system with program step manager and method for program step management

A solid state drive (ssd) that includes a host connector receptacle for connecting to a host computer, a plurality of nand devices and a nonvolatile memory controller. The nonvolatile memory controller is configured to perform program operations and read operations on memory cells of each of the nand devices. ... Microsemi Corporation

07/06/17 / #20170194053

Nonvolatile memory system with shared algorithm mode

A nonvolatile memory controller is disclosed that includes a read circuit configured to read memory cells of a nonvolatile memory device and a program and erase circuit configured to program and erase memory cells of the nonvolatile memory device. The nonvolatile memory controller includes a nand shared algorithm circuit configured to communicate with the nonvolatile memory device so as to enter a test mode of the nonvolatile memory device and configured to modify the trim registers while the nonvolatile memory device is in the test mode such that the nonvolatile memory device performs one or more operations. ... Microsemi Corporation

06/22/17 / #20170179959

Low leakage reram fpga configuration cell

A low-leakage resistive random access memory cell includes a complementary pair of bit lines and a switch node. A first reram device is connected to a first one of the bit lines. ... Microsemi Corporation

06/22/17 / #20170179382

Low leakage resistive random access memory cells and processes for fabricating same

A resistive random access memory device is formed in an integrated circuit between a first metal layer and a second metal layer and includes a first barrier layer disposed over the first metal layer, a tunneling dielectric layer disposed over the first barrier layer, a solid electrolyte layer disposed over the tunneling dielectric layer, an ion source layer disposed over the solid electrolyte layer, and a second barrier layer disposed over the ion source layer.. . ... Microsemi Corporation

06/22/17 / #20170177541

Apparatus and method for transferring data and commands in a memory management environment

A method and system for transferring nvme data over a network comprises using a discrete buffer memory device to generate a write command from an nvme-over-rdma write command request, store the user data from a client host of the network, and send an interrupt signal to a nvme storage device of the network. The nvme storage device retrieves the write command from the discrete buffer memory device and performs a direct memory access transfer of the stored user data from the discrete buffer memory device to the nvme storage device. ... Microsemi Corporation

06/22/17 / #20170177051

Remote powering system and method

A poe system pse, constituted of: a power source input; a classification functionality arranged to determine the class of a pd; a memory arranged to store thereon the determined class; a timing functionality arranged to output the length of a power interruption to the power source input; and a control circuitry; wherein, responsive to an indication of the timing functionality that the power interruption length is greater than a predetermined time value, the control circuitry is arranged to initiate the class determination of the classification functionality, and wherein, responsive to an indication of the timing functionality that the power interruption length is not greater than the predetermined time value, the control circuitry is arranged to: supply power from the power source input to the pd responsive to the stored determined class; and not initiate the class determination of the classification functionality prior to the power supplying.. . ... Microsemi Corporation

06/15/17 / #20170168752

Nonvolatile memory system with erase suspend circuit and method for erase suspend management

A nonvolatile memory controller and a method for erase suspend management are disclosed. The nonvolatile memory controller includes an erase suspend circuit configured for determining a pre-suspend time each time that an erase operation of the nonvolatile memory device is suspended and for determining whether an erase-suspend limit has been reached using the determined pre-suspend time. ... Microsemi Corporation

06/08/17 / #20170161224

Apparatus and methods for in-application programming of flash-based programable logic devices

An architecture disposed in an integrated circuit for in-application programming of flash-based programmable logic devices includes a processor coupled to a processor system bus. An i/o peripheral is coupled to the processor over the system bus and is also coupled to an off-chip data source. ... Microsemi Corporation

05/18/17 / #20170141685

Converter with hysteretic control

A hysteretic power converter constituted of: a switched mode power supply comprising an inductor, an electronically controlled switch and an output capacitor, the switch arranged to alternately open and close a loop with the inductor and a power source; a hysteretic comparator, a first input coupled to a feedback connection and arranged to receive from the feedback connection a feedback signal providing a first representation of the voltage across the output capacitor, the electronically controlled switch opened and closed responsive to an output of the hysteretic comparator; a reference voltage source arranged to generate a reference voltage, the generated reference voltage coupled to a second input of the hysteretic comparator; and a voltage coupler, the voltage coupler arranged to couple a second representation of the voltage across the output capacitor to the second input of the hysteretic comparator, such that the second representation is added to the generated reference voltage.. . ... Microsemi Corporation

04/06/17 / #20170099371

Method and apparatus for sas open address frame processing in sas expanders

Sas expanders are commonly used within a sas network topology to allow multiple disk drives (targets) to connect to multiple host devices (initiators). A connection between an initiator and a target is setup inside an expander on the pathway between the initiator and the target. ... Microsemi Corporation

03/30/17 / #20170093460

Acoustic echo path change detection apparatus and method

An acoustic echo path change detection apparatus constituted of: a time domain path change detection functionality arranged to: detect a change in a near-end acoustic echo path responsive to a time domain analysis of a near-end signal and a signal output by an acoustic echo canceller; and output an indication of the detected change, a frequency domain path change detection functionality arranged to: detect a change in the near-end acoustic echo path responsive to a frequency domain analysis of a far-end signal and the signal output by the acoustic echo canceller; and output an indication of the detected change, and a combination path change detection functionality arranged to: determine a first function of the output indication of the time domain path change detection functionality and the output indication of the frequency domain path change detection functionality; and output the determined first function.. . ... Microsemi Corporation

03/30/17 / #20170093410

Noise reduction in non-linear signal processing

A method for reducing the jitter introduced into a digital signal by a non-linear processing element involves applying an input word representing the digital signal to a first signal path comprising a first non-linear processing element, and a complementary version of the input word to a second signal path comprising a second non-linear processing element. A common mode dither signal is injected into each signal path upstream of the non-linear processing elements. ... Microsemi Corporation

03/30/17 / #20170092281

Comfort noise generation apparatus and method

A comfort noise generation apparatus constituted of: near and far end speech detectors arranged to detect speech activity in near-end and far-end signals and a comfort noise generator, wherein responsive to an indication from the near-end speech detector that speech activity is absent on the near-end signal and an indication from the far-end silence detector that speech activity is absent on the far-end signal, the comfort noise generator is arranged to initiate a determination of an estimation of near-end background noise, wherein responsive to an indication from the near-end speech detector that speech activity is present on the near-end signal or an indication from the far-end silence detector that speech activity is present on the far-end signal, the comfort noise generator is arranged to terminate the estimation determination of near-end background noise, and wherein the comfort noise generator is arranged to output a function of the near-end background noise estimation.. . ... Microsemi Corporation

03/23/17 / #20170085273

Hybrid phase locked loop having wide locking range

A digital phased lock loop includes a digital controlled oscillator configured to produce an output signal at an output signal frequency, and a phase comparator configured to compare the output signal or a signal derived from the output signal, with a reference signal at a reference signal frequency or a signal derived from the reference signal to produce a phase error signal. A first loop filter produces a first control signal for the digital controlled oscillator. ... Microsemi Corporation

02/23/17 / #20170054413

Voltage controlled oscillator with common mode adjustment start-up

The present disclosure provides methods and apparatus for dynamically adjusting the common mode voltage at the lc tank node and/or the power supply voltage of a vco with an lc resonator in order to force oscillation start-up by temporarily increasing gain. Methods according to certain preferred embodiments may reduce power consumption and/or overcome threshold voltage limitations and/or increase frequency and frequency tuning range during normal (steady-state) operation.. ... Microsemi Corporation

02/23/17 / #20170052208

Circuit and method to detect failure of speed estimation/speed measurement of a multi-phase ac motor

A method for detecting failure of speed measurement of a multi-phase ac motor includes (1) sensing current drawn by the motor, (2) sensing voltage magnitude supplied to the motor, (3) measuring motor speed, (4) calculating motor speed, (5) determining whether the difference between the measured motor speed and the calculated motor speed is greater than a predetermined threshold, if the difference between the measured motor speed and the calculated motor speed is not greater than a predetermined threshold, repeating (1) through (5), if the difference between the measured motor speed and the calculated motor speed is greater than a predetermined threshold, indicating a fault, if a fault is indicated, performing a predetermined number of restart attempts, if the motor is successfully restarted, repeating (1) through (5), if the motor is not successfully restarted, indicating a restart failure.. . ... Microsemi Corporation

02/16/17 / #20170046295

System and method for port migration in a pcie switch

The present disclosure provides a method and system for dynamically migrating a port in a pcie switch. The pcie switch comprises emulated p2p bridges stored in a memory and a processor to load the emulated p2p bridge address range values from the memory to a routing table. ... Microsemi Corporation

02/09/17 / #20170041995

Led luminaire driving circuit and method

A flyback converter is provided with a first output associated with a first secondary winding, a primary side controller arranged to maintain the first output at a predetermined voltage level and a second output associated with a second secondary windings; an led controller. A first secondary electronically controlled switch is responsive to the led controller; a first led luminaire arranged to provide a first illumination responsive to a power signal on the second output when the first secondary electronically controlled switch is in a closed state and not provide the first illumination when the first secondary electronically controlled switch is in the open state, wherein the turns ratio of the first secondary winding and the second secondary winding is such that power is delivered to the first output via the first unidirectional electronic valve only when the first secondary electronically controlled switch is switched to the open state.. ... Microsemi Corporation

02/09/17 / #20170040133

High voltage relay systems and methods

Various high voltage systems may benefit from a suitable relay system. For example, a relay box may be provided with a shock and vibration resistant arrangement including a sealed coil box within the sealed relay box. ... Microsemi Corporation

02/09/17 / #20170040132

High voltage relay systems and methods

Various high voltage systems may benefit from a suitable relay system. For example, a relay box may be provided with a shock and vibration resistant arrangement including a sealed coil box within the sealed relay box. ... Microsemi Corporation

02/02/17 / #20170033741

Electro-mechanical voltage-controlled oscillator and a method for generating tunable balanced oscillations

A cross-coupled complementary balanced voltage-controlled oscillator and a method for operating same. The oscillator comprises an electro-mechanical resonator, and an oscillator core. ... Microsemi Corporation

01/12/17 / #20170012788

Standby powering for power over ethernet

A respective electronically controlled switch is provided in series with the output of each pd. A control circuit having a timer functionality is further provided, with the electronically controlled switches responsive to the control circuit. ... Microsemi Corporation

01/12/17 / #20170011619

Acoustic alarm detector

An audible alarm detector constituted of: a microphone generating an electronic signal from an audible signal; a phase locked loop locking onto a frequency component present in the generated electronic signal to output a demodulated signal; and a pattern detector for comparing the demodulated signal against each template of a known set of templates, each template representing a standard pulse stream, wherein upon detection that the demodulated signal matches one of the known templates, the audible alarm detector is arranged to output an alarm detected signal indicating a presence of one of the standard pulse streams.. . ... Microsemi Corporation








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