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Lexer patents



      
           
This page is updated frequently with new Lexer-related patent applications. Subscribe to the Lexer RSS feed to automatically get the update: related Lexer RSS feeds. RSS updates for this page: Lexer RSS RSS


Method for testing paths to pull-up and pull-down of input/output pads

Method for testing paths to pull-up and pull-down of input/output pads

Optimizing optical systems using code division multiple access and/or orthogonal frequency-division multiplexing

Optimizing optical systems using code division multiple access and/or orthogonal frequency-division multiplexing

Optimizing optical systems using code division multiple access and/or orthogonal frequency-division multiplexing

Switching architecture with packet encapsulation

Date/App# patent app List of recent Lexer-related patents
10/09/14
20140304563
 Position independent testing of circuits patent thumbnailPosition independent testing of circuits
Scan distributor, collector, and controller circuitry connect to the functional inputs and outputs of core circuitry on integrated circuits to provide testing through those functional inputs and outputs. Multiplexer and demultiplexer circuits select between the scan circuitry and the functional inputs and outputs.
10/09/14
20140304562
 Method for testing paths to pull-up and pull-down of input/output pads patent thumbnailMethod for testing paths to pull-up and pull-down of input/output pads
A scan chain architecture for each path in a circuit having combinational paths includes a control mechanism to control one or more flip flops and multiplexers to direct operational or test signals. Operational signals are sent along at least one combinational path to a pull-up/pull-down for at least one input/output pad and an operational voltage is recorded.
10/09/14
20140301734
 Optimizing optical systems using code division multiple access and/or orthogonal frequency-division multiplexing patent thumbnailOptimizing optical systems using code division multiple access and/or orthogonal frequency-division multiplexing
An optical receiver comprises an optical port configured to receive an encoded optical signal, and a demodulation block indirectly coupled to the port and comprising a multiplexer, wherein the multiplexer is configured to receive an encoded electrical signal, wherein the encoded electrical signal is associated with the encoded optical signal, and wherein the encoded electrical signal is encoded using a code division multiple access (cdma) scheme, receive a code associated with the scheme, perform a dot multiplication of the encoded electrical signal and the code, and generate a differential voltage based on the dot multiplication.. .
10/09/14
20140301398
 Switching architecture with packet encapsulation patent thumbnailSwitching architecture with packet encapsulation
The invention includes, among other things, a system for passing tdm traffic through a packet switch. In one embodiment, the system includes a packet switch that has a plurality of data ports and is capable of routing fsdu packets between the plurality of data ports.
10/09/14
20140300500
 Analog/digital converter and method for converting analog signals to digital signals patent thumbnailAnalog/digital converter and method for converting analog signals to digital signals
The objective of the invention is to provide an a/d converter that exhibits fewer malfunctions due to variations in manufacturing. An a/d converter (1) of the invention, which is a cyclic type of analog/digital converter for converting an analog input signal to a digital signal having a predetermined resolution, comprises: a digital approximation unit (10) that includes a comparing unit (13) for comparing the magnitude of an input first analog signal with a threshold value to output a digital value indicating a result of the comparison and that also includes an mdac unit (14) for amplifying the first analog signal to β-fold, where β is greater than one but smaller than two, and for executing a predetermined computation in accordance with the result of the comparison of the comparing unit to output a second analog signal; a multiplexer (20) that, if the msb is to be computed, outputs the analog input signal and, otherwise, outputs the second analog signal as the first analog signal; a β estimating unit (30) that estimates the value of β; and a digital signal outputting unit (40) that sequentially takes in digital values outputted by the comparing unit and that outputs the taken-in digital values as the digital signal..
10/09/14
20140300430
 Ultra-broadband planar millimeter-wave mixer with multi-octave if bandwidth patent thumbnailUltra-broadband planar millimeter-wave mixer with multi-octave if bandwidth
In some embodiments, a system may include a passive uniplanar single-balanced millimeter-wave mixer. In some embodiments, a three-port diode-tee ic forming a mixer core is coupled between an end of a slotline balun and a second coplanar balun.
10/09/14
20140300399
 Pulse generation circuit and semiconductor device patent thumbnailPulse generation circuit and semiconductor device
Two gate drivers each comprising a shift register and a demultiplexer including single conductivity type transistors are provided on left and right sides of a pixel portion. Gate lines are alternately connected to the left-side and right-side gate drivers in every m rows.
10/02/14
20140298396
 Method and apparatus for band separation for multiband communication systems patent thumbnailMethod and apparatus for band separation for multiband communication systems
Aspects of a method and apparatus for band separation for multiband communication systems are provided. One or more circuits for use in a transceiver may comprise a triplexer and a leakage processing module.
10/02/14
20140298122
 Dual master jtag method, circuit, and system patent thumbnailDual master jtag method, circuit, and system
A dual-master controller includes a plurality of jtag data registers including a controller-mode register that stores information indicating a standard jtag or a processor-controlled mode of operation. A jtag tap controller receives control signals over a standard test access port and a processor controller receives processor control signals over an external processor bus.
10/02/14
20140298120
 Circuit and method for testing memory devices patent thumbnailCircuit and method for testing memory devices
The present application provides a circuit and method for testing a memory device. The memory device has multiple blocks addressable via a plurality of address lines and capable of inputting and/or outputting data via a plurality of data lines.
10/02/14
20140296732
Wireless system for epilepsy monitoring and measurement
A wireless system for brain monitoring/mapping of neurological-disorder patients includes a plurality of electrodes each configured for surface abutment of brain tissue and main circuitry for placement outside a body of a patient and configured to transmit power at radio frequencies and send and receive data using infrared energy. Remote circuitry is provided for subcutaneous implantation in a head of the patient.
10/02/14
20140294399
Laser relay for free space optical communications
A laser relay module for free space optical communications including an optical telescope for receiving and transmitting optical beams; an optical diplexer for separating transmitting and received optical beams; an optical amplifier; a modulated beacon laser for line of sight control of a plurality of communicating remote network nodes; a beacon beam detector for detecting an incoming beacon optical beam for line of sight control of the optical telescope and receiving data from other network nodes; and means for inserting an output of the modulated beacon laser into the optical telescope for transmission to another network node, and for transporting the incoming beacon optical beam to the beacon detector.. .
10/02/14
20140294394
Optical communication apparatus and optical communication method
An optical communication apparatus and an optical communication method are disclosed. An optical communication apparatus mounted in a first node in a linear network coupled among a plurality nodes through an optical transmission line includes a multiplexer for receiving a plurality of optical signals having different wavelengths to output a first multi-wavelength optical signal obtained by coupling the plurality of optical signals, and a first optical coupler for dividing the first multi-wavelength optical signal into respective multi-wavelength optical signals to be transmitted to at least two different neighboring nodes..
10/02/14
20140293715
Signal margin centering for single-ended edram sense amplifier
Apparatus and methods for signal margin centering for single-ended edram sense amplifier. A plurality of dram cells is connected to an input side of a multiplexer by a first bitline.
10/02/14
20140292551
Sampling device with buffer circuit for high-speed adcs
A sampling and interleaving stage device for use in an analog-digital-converter and for providing a sampling output signal and an analog-to-digital-converter. The sampling and interleaving stage device for use in an analog-digital-converter, including: a receiving unit having a clock unit with a plurality of clock-driven switches for receiving an input signal; for each of the plurality of clock-driven switches, a first demultiplexer, for receiving the input signal via a clock-driven switch and for providing a number of first demultiplexer outputs; for a first demultiplexer output, at least one storage element for a stored input potential depending on the input signal; and an output demultiplexer for receiving an indication about the stored input potential and for outputting a corresponding sampling output signal to a respective sampling output..
10/02/14
20140292376
Fractional-n synthesizer
One embodiment of the present invention provides a synthesizer. The synthesizer includes one or more tunable oscillators, a frequency-dividing circuit coupled to the tunable oscillators, and a multiplexer coupled to the frequency-dividing circuit.
10/02/14
20140290337
Sensor control apparatus and gas detection system
A sensor control apparatus (2) of a gas detection system (1) includes a first low-pass filter (46), a second low-pass filter (48), and a multiplexer (50) so as to provide different time constants for detection of a sensor output signal vs1 and for detection of a response signal vs2. When the sensor output signal vs1 is detected, a signal whose frequency band is the same as that of vs1 is input to the analog-to-digital conversion section (31) through the first low-pass filter (46).
09/25/14
20140286201
Mobile communication method, radio base station, and mobile station
A duplexer d1 or d2 to be used is appropriately selected from multiple duplexers d1 and d2. A mobile communication method of the invention is a mobile communication method for a mobile communication system 1 operated in a band f1.
09/18/14
20140281422
Method and apparatus for sorting elements in hardware structures
A method for sorting elements in hardware structures is disclosed. The method comprises selecting a plurality of elements to order from an unordered input queue (uiq) within a predetermined range in response to finding a match between at least one most significant bit of the predetermined range and corresponding bits of a respective identifier associated with each of the plurality of elements.
09/18/14
20140281416
Method for implementing a reduced size register view data structure in a microprocessor
A method for implementing a reduced size register view data structure in a microprocessor. The method includes receiving an incoming instruction sequence using a global front end; grouping the instructions to form instruction blocks; using a plurality of multiplexers to access ports of a scheduling array to store the instruction blocks as a series of chunks..
09/18/14
20140276151
Systems and methods for obtaining substantially simultaneous mult-channel impedance measurements and related applications
An implantable system includes terminals, a pulse generator, a sensing circuit, separate signal processing channels, and first, second and third multiplexers. The terminals are connected to electrodes via conductors of leads.
09/18/14
20140273887
Tunable ila and dila matching for simultaneous high and low band operation
A method and system configures a wireless communication device to support simultaneous signal propagation using a single narrow band antenna. An antenna tuner controller (atc) configures a tunable low band matching circuit to provide a first antenna matching in order to support propagation of a low band signal with a first signal path.
09/18/14
20140270781
Optical signal demodulator, optical signal demodulating method, and optical add-drop multiplexer
An optical signal demodulator includes: an obtaining unit configured to obtain a spectrum of an optical signal generated by a second signal being superimposed on a first signal using frequency modulation; an identifying unit configured to identify a peak wavelength which is a wavelength corresponding to a peak position of the spectrum; and a demodulating unit configured to demodulate the second signal from the optical signal using a wavelength-variable filter to which a transmitted wavelength band has been set based on the peak wavelength.. .
09/18/14
20140270766
Upgradeable passive optical fiber circuit
Optical equipment for 1g-epon, 10g-epon, and cwdm services are joined together using a novel combination of optical power splitters and multiplexers. This combination of splitters and multiplexers can be disposed in a single housing, which reduces the size of the combination and improves performance, since jumpers between multiple, separately packaged, optical components can be avoided.
09/18/14
20140269775
Method and apparatus for multiplexed time aligned analog input sampling
A sensor system includes a first sensor and a second sensor and a multiplexor having at least two multiplexer inputs connected to the sensors. The output of the multiplexor is connected to a time correlation logic circuit via at least a signal conditioning and anti-aliasing filter, and the output of the time correlation logic is a time correlated sensor reading of the first and second sensor..
09/18/14
20140269761
Low-power cml-less transmitter architecture
Exemplary embodiments of the present invention relate to a low-power current mode logic (cml)-less transmitter architecture. A transmitter comprises a main multiplexer configured to generate a main data signal by multiplexing parallel main data signals retimed from a retimer for time margin between parallel input data signals and a multiphase clock signals from a clock distributor, a secondary multiplexer configured to generate a post data signal by multiplexing parallel post data signals retimed from the retimer, and a plurality of output drivers configured to generate a serial data signal by summing the main data signal and the post data signal..
09/18/14
20140269449
Full-duplex wireless transceiver with hybrid circuit and reconfigurable radiation pattern antenna
A method and circuit are provided that solve the problem of prolonged signal fading in transceivers utilizing dual antenna match in a hybrid transmitter-receiver cancellation circuit, thereby enabling practically implementable full-duplex single channel, or duplexerless frequency division duplex (fdd), wireless communication systems. The method includes controlling dynamic change in signal's amplitude and phase at the receiver port of a hybrid tx-rx circuit by continuously varying radiation pattern parameters of at least one antenna, while maintaining nearly constant impedance at the hybrid's antenna interface ports and equalizing propagation delays between the hybrid circuit and both antennas, using a novel circuit design..
09/18/14
20140269125
Device and method for improving reading speed of memory
A memory device includes a plurality of sense amplifiers coupled with an array of memory cells, a plurality of output data lines receiving outputs of corresponding sense amplifiers, and a plurality of precharge circuits configured to apply a precharge voltage on the output data lines. A controller provides control signals to the sense amplifiers and to the precharge circuits, including to cause the precharge circuits to precharge the output data lines before the sense amplifiers drive output data signals to the output data lines.
09/18/14
20140269124
Memory with bit line current injection
Embodiments of a memory are disclosed that may allow for the detection of weak data storage cells or may allow operation of data storage cells under conditions that may represent the effects of transistor ageing. The memory may include data storage cells, a column multiplexer, a sense amplifier, and a current injector.
09/18/14
20140269114
Circuit for memory write data operation
A pulsed dynamic lcv circuit for improving write operations for sram. The pulsed dynamic lcv circuit includes voltage adjustment circuitry having a plurality of selectable reduced supply voltages and timing adjustment circuitry having a plurality of selectable logical state transition timings for adjustably controlling the voltage and timing of a transition from a selected reduced supply voltage back to a nominal supply voltage.
09/18/14
20140269025
Memory with redundant sense amplifier
Embodiments of a memory are disclosed that may reduce the likelihood of a miss-read while reading a weak data storage cell. The memory may include a number of data storage cells, a column multiplexer, a first sense amplifier and a second sense amplifier, and an output circuit.
09/18/14
20140268620
Expandable backplane
An expandable backplane is provided. The expandable backplane includes a baseboard management controller for connecting several disks, a first expansion board, a second expansion board, and a multiplexer.
09/18/14
20140268566
Digital subscriber line access multiplexer enclosures having onboard power
A system includes a digital subscriber line access multiplexer (dslam) enclosure having a power area for housing power components and a component area for housing components configured to receive power from the power components. The system further includes at least one dslam positioned in the component area of the dslam enclosure and an ac power supply for providing ac power to the at least one dslam.
09/18/14
20140267622
Stereo camera
A stereo camera for measuring distance to an object using two images of the object having parallax includes an optical multiplexer to set a length of light path of each of the two images having different spectrum properties and parallax to the same length and to superimpose each of the light paths to one light path; an image capturing element to detect luminance of at least two images having different spectrum properties; an optical device to focus a superimposed image on the image capturing element; and a distance computing unit to compute distance to the object using parallax between the two images.. .
09/18/14
20140267277
For node in render setup graph
Systems and methods for rendering three-dimensional images using a render setup graph are provided. A dependency graph is accessed.
09/18/14
20140267218
Display and method of transmitting signals therein
A display includes first pixels, second pixels, a first de-multiplexer and a second de-multiplexer. The first de-multiplexer transmits a first data signal to the first pixels sequentially in response to first control signals.
09/18/14
20140266398
Method and semiconductor apparatus for reducing power when transmitting data between devices in the semiconductor apparatus
A semiconductor apparatus is provided herein for reducing power when transmitting data between a first device and a second device in the semiconductor apparatus. Additional circuitry is added to the semiconductor apparatus to create a communication system that decreases a number of state changes for each signal line of a data bus between the first device and the second device for all communications.
09/18/14
20140266365
Latency/area/power flip-flops for high-speed cpu applications
A circuit for a low latency, low area, and low power flip-flop may include a pass-gate multiplexer that can selectively allow one of input or test data to enter a master cell when a clock signal is low. The master cell may include a first inverter cross-coupled to a second inverter, and may receive the input or test data and may latch and provide at an input node of the slave cell, an inverted input data or the test data, upon a transition of the clock signal to a high state.
09/18/14
20140266318
Phase interpolator based output waveform synthesizer for low-power broadband transmitter
Exemplary embodiments of the present invention relate to an output waveform synthesizer using phase interpolators and an on-chip eye opening monitoring (eom) circuit for a low-power transmitter. In order to achieve both small area and low-power consumption in the transmitter design, a single-stage multiphase multiplexer operating in subrate is employed.
09/18/14
20140266098
Voltage regulator with current limiter
A voltage regulator includes an amplifier having a first input coupled to a first reference voltage and a second input coupled to a voltage feedback signal; a multiplexer having a first input coupled to an output of the amplifier, a second input coupled to a voltage clamp signal, and a control input; and a control circuit having a first input coupled to an over current indicator, a second input coupled to a no over voltage indicator, a third input coupled to a timer signal, and an output coupled to the control input of the multiplexer.. .
09/18/14
20140260619
Round-robin sensing device and method of use
A round-robin sensing device is disclosed. The round-robin sensing device comprises a mems device, wherein the mems device includes first and second sense electrodes.
09/11/14
20140259052
Data tunneling via closed captioning
An example apparatus that processes dtvcc data has a demultiplexer that extracts dtvcc data packets from a dtv signal. A parser parses the dtvcc data packets by: passing normal dtvcc data to a cc decoder; detecting ancillary data in the dtvcc data packets; and separating the ancillary data from the dtvcc data for output to an ancillary data process.
09/11/14
20140258868
Video phone system
A system allocates channel bandwidth based on the data received from a plurality of remote sources. A de-multiplexer/priority circuit separates two or more different data streams into their components parts.
09/11/14
20140255020
Method, apparatus, and system for disaster recovery of optical communication system
A method, an optical add-drop multiplexer branching unit, and a system for disaster recovery of an optical communication system are provided. The method for disaster recovery of an optical communication system using an optical add-drop multiplexer unit (oadm) includes: detecting a transmission link fault in an optical communication system; and when a transmission link fault is detected, switching the state of a link where the transmission link fault occurs from pass-through to loopback, so that an optical signal input from a non-faulty end of the link is looped back to the end for outputting.
09/11/14
20140254716
Power amplifier system including a composite digital predistorter
A power amplifier system including a composite digital predistorter (dpd) ensuring optimized linearity for the power amplifier is described. In this system, a digital-to-analog converter (dac), an analog filter, a first mixer, and the power amplifier are serially coupled to the composite dpd.
09/11/14
20140253215
Binary adder and multiplier circuit
An adder circuit includes first through fourth two-bit adder modules, and first through third result mux blocks for receiving and adding first and second binary values to generate a final sum. A multiplier circuit that multiplies a multiplier and a multiplicand includes a multiplexer, an encoder connected to the multiplexer, a shifter connected to the encoder, and an accumulator connected to the encoder for receiving the multiplier and multiplicand and generating a multiplication product..
09/11/14
20140253180
Charge pump power savings
Exemplary embodiments are directed to systems, devices, methods, and computer-readable media for reducing static and dynamic power consumption of a charge pump. In one embodiment, a device may include a plurality of switches, each switch of the plurality having a gate coupled to a dedicated driver of a plurality of drivers.
09/11/14
20140253176
Ping pong comparator voltage monitoring circuit
A ping pong comparator voltage monitoring circuit which includes first and second comparators having inputs connected to a voltage vin to be monitored, and second inputs connected to first and second nodes, respectively. A multiplexer alternately couples the first and second comparator outputs to an output in response to a periodic control signal.
09/11/14
20140252242
System and method for quantum efficiency measurement employing diffusive device
A system for measuring a characteristic of a solar cell is disclosed and includes a light source irradiating an optical signal having a spectral range from about 100 nm to about 3000 nm, a wavelength selector configured to selectively narrow the spectral range of the optical signal, a beam splitter, a reference detector in optical communication with the beam splitter and configured to measure a characteristic of the optical signal, a specimen irradiated with the optical signal, a reflectance detector in optical communication with the specimen via the beam splitter and configured to measure an optical characteristic of the optical signal reflected by the specimen, a multiplexer in communication with at least one of the reference detector, specimen, and reflectance detector, and a processor in communication with at least one of the reference detector, specimen, and reflectance detector via the multiplexer and configured to calculate at least one characteristic of the specimen.. .
09/11/14
20140251021
System and method for multiplexed and buffered miniaturized sensor arrays
A miniature pressure scanning system includes a plurality of miniature pressure sensors where each pressure sensors includes at least one sensor output for providing an analog output signal indicative of a detected pressure on a body, and each pressure sensor output has an associated output impedance; a plurality of buffers, each buffer electrically connected to the output port of a corresponding one of the pressure sensors, and configured to reduce the associated output impedance of the corresponding sensor output coupled thereto, and further configured to provide at an output of the buffer the analog output pressure signal from the pressure sensor; and a multiplexer coupled downstream of the plurality of buffers and configured to multiplex the buffered analog output pressure signals to output a multiplexed analog signal representing the detected pressures.. .
09/04/14
20140250485
Digital broadcasting system and method of processing data
A digital broadcasting system and a method of processing data are disclosed. Herein, additional encoding is performed on mobile service data, which are then transmitted, thereby providing robustness in the processed mobile service data, so that the mobile service data can respond more strongly against fast and frequent channel changes.
09/04/14
20140250483
System, method, and apparatus for playing back a plurality of video elementary streams with one playback channel
A system, method, and apparatus for playback of multiple video elementary streams is presented herein. A host processor modifies the video elementary streams to allow a transport demultiplexer to distinguish among the plurality of the video elementary streams..
09/04/14
20140250289
Branch target buffer with efficient return prediction capability
Improved branch target buffers (btbs) and methods of processing data in a microprocessor with a pipeline are provided. According to various embodiments, a btb is provided that includes a non-return buffer, a return buffer, and a multiplexer.
09/04/14
20140248056
Wavelength real time display on the equipment for wdm optical networking systems with wavelength tunable capability
A wavelength tunable device for use in a wavelength division multiplexing (wdm) system comprising a display device for displaying at least one operating wavelength of the wavelength tunable device. The display device is electrically coupled to a control unit in the wavelength tunable device so as to display the tuned wavelength in real time.
09/04/14
20140247911
Partial response receiver and related method
A multi-phase partial response equalizer circuit includes sampler circuits that sample an input signal to generate sampled signals in response to sampling clock signals having different phases. A first multiplexer circuit selects one of the sampled signals as a first sampled bit to represent the input signal.
09/04/14
20140247825
Switching fabric for embedded reconfigurable computing
An output switch fabric is disclosed that comprises an interleaved plurality of multiplexers for switching channels between first and second busses. The busses run in tracks that form a grid pattern.
09/04/14
20140247535
Low passive inter-modulation capacitor
A high power, low passive inter-modulation capacitor is presented, which is formed using metal clad substrates, which are broad-side coupled through a thin air gap. Each substrate may include metal layers affixed on both sides which are electrical coupled together to form a single capacitor plate, or each substrate may have only a single metal layer on the surface adjacent to the air gap.
09/04/14
20140247084
Specifications support enablement
Several circuits and methods that may be implemented to enable specification support of a plurality of interface components in an ic are disclosed. In an embodiment, a circuit includes a plurality of multiplexer circuits and a control circuit.
09/04/14
20140247068
Method and circuit structure for suppressing single event transients or glitches in digital electronic circuits
A circuit structure (200) for suppressing single event transients (sets) or glitches in digital electronic circuits is provided. The circuit structure includes a first input (100) which receives an output of a digital electronic circuit (a), a second input (100′) which receives a redundant or duplicated output of the digital electronic circuit (a′), and two sub-circuits (102, 106) that each receive the inputs and have one output.
09/04/14
20140247054
Low impedance neutral and diagnosis
A method to diagnose and localize parasitic voltages in an electric drive train is provided. The method includes manipulating a multiplexer to sequentially connect multiple diagnostic locations to a generator neutral, at predefined intervals.
08/28/14
20140245090
Parallel scan distributors and collectors and process of testing integrated circuits
An integrated circuit (70) having parallel scan paths (824-842, 924-942) includes a pair or pairs of scan distributor (800,900) and scan collector (844,944) circuits. The scan paths apply stimulus test data to functional circuits (702) on the integrated circuit and receive response test data from the functional circuits.
08/28/14
20140244217
Apparatus and method for improved optical detection of particles in fluid
A number of fluidic-photonic devices for allowing optical detection, systems employing such devices, and related methods of operation and fabrication of such devices are disclosed herein. In at least some embodiments, the devices can serve as flow cytometry devices and/or employ microfluidic channels.
08/28/14
20140241726
Temperature controlled multi-channel transmitter optical subassembly and optical transceiver module including same
A temperature controlled multi-channel transmitter optical subassembly (tosa) may be used in a multi-channel optical transceiver. The temperature controlled multi-channel tosa generally includes an array of lasers optically coupled to an optical multiplexer, such as an arrayed waveguide grating (awg), to combine multiple optical signals at different channel wavelengths.
08/28/14
20140241659
Optical modulator module and semiconductor optical modulator
A semiconductor optical modulator includes optical input and output portions; a plurality of mach-zehnder modulators including first and second waveguide arms having first and second modulation electrodes, respectively; an optical demultiplexer coupled between the optical input portion and the mach-zehnder modulator through an optical waveguide; an optical multiplexer coupled between the optical output portion and the mach-zehnder modulator; a plurality of electrical inputs including first, second, and common electrodes disposed between the first and second electrodes; and a plurality of differential transmission lines electrically connecting the electrical inputs to the mach-zehnder modulators. The mach-zehnder modulators, the optical demultiplexer, the optical multiplexer, the electrical inputs, and the differential transmission lines are disposed on a single substrate.
08/28/14
20140241466
Low symbol rate rapid carrier acquisition with extremely large frequency offset for digital communication receiver
A method of rapid non-data aided carrier signal acquisition for a low symbol rate carrier signal, comprising receiving and converting an analog intermediate frequency carrier to a digital carrier signal, down-converting the signal to substantially baseband, reducing a sampling rate of the digital carrier signal using a decimation filter, determining a highest fast fourier transform (fft) based on a result of one or more fft's generated by an fft module using a peak finder, selecting an input source for the fft module using a multiplexer, generating a frequency estimate of the digital carrier signal using a walking coarse detector, tuning a carrier recovery loop (crl) based on the frequency estimate generated by the walking coarse detector, determining a final carrier frequency offset estimate using a result of the fft module, modulation removal, and the peak finder, and programming an oscillator within the crl to the final carrier frequency offset estimate.. .
08/28/14
20140241369
System and method for data flow identification and alignment in a 40/100 gigabit ethernet gearbox
A system and method for data flow identification and alignment in a 40/100 gigabit ethernet gearbox. Virtual lane (vl) identifiers can be identified to create an effective wiring diagram for data flows.
08/28/14
20140240059
Integrated receive filter including matched balun
A duplexer includes a transmit filter and an integrated receive filter configured to filter a receive signal from an antenna. The integrated receive filter includes a receive filter portion having multiple acoustic resonator filter elements and a matched balun configured to convert a single-ended input signal, received at a single-ended input of the matched balun from a single-ended output of the receive filter portion, to a differential output signal.
08/28/14
20140240058
Laminated waveguide diplexer
A laminated waveguide diplexer includes a first laminated waveguide, a second laminated waveguide, and a coupling metal connecting the first and second laminated waveguides. The first laminated waveguide has a first upper conductor with a first slot, and the second laminated waveguide has a second upper conductor with a second slot.


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Lexer topics: Capacitive Sensor, Semiconductor, Demultiplex, Video Play, Multiplexing, Compatibility, Coding Method, Volatile Storage, Volatile Memory, Memory Cells, Memory Cell, Semiconductor Substrate, Speech Recognition, Intersymbol Interference, Feedback Signal

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