218978 ⎘
Demodulation of angle-, frequency- or phase- modulated oscillations by converting the oscillations into two quadrature related signals Compensating quadrature phase or amplitude imbalances
PRECISION RATE DEMODULATION FOR A VIBRATING GYROSCOPE
#2CIRCUIT AND METHOD TO DETECT FAULTS OF A MEMS DEVICE INCLUDING AN OSCILLATING MASS
#3Local oscillator leakage reporting
#4Passive mixer, operating method thereof, and devices including the same
#5Method and apparatus for in-phase and quadrature imbalance correction in a frequency domain
#6System and method for IQ mismatch calibration and compensation
#7Automatic gain control circuit, corresponding receiver, transmitter and method
#8Signal processing
#9Apparatus, system, and method of distributing a reset signal to a plurality of PHY chains
#10Methods, systems, and articles of manufacture for joint decoding of packets in wireless networks using chirp spread-spectrum modulation
#11IQ mismatch correction module
#12Quadrature radio receiver with gain-dependent mismatch correction
#13Synchronizing a digital frequency shift
#14An interferometric IQ-mixer/DAC solution for active, high speed vector network analyser impedance renormalization
#15METHOD AND APPARATUS FOR CALIBRATING MISMATCHING BETWEEN IN-PHASE COMPONENT AND QUADRATURE COMPONENT IN WIRELESS COMMUNICATION SYSTEM
#16System and method for IQ mismatch calibration and compensation
#17CIRCUITS AND SYSTEMS FOR WIDEBAND QUADRATURE SIGNAL GENERATION
#18Combined radar and communications system using common signal waveform
#19Methods, systems, and articles of manufacture for joint decoding of packets in wireless networks using chirp spread-spectrum modulation
#20Methods, circuits, and apparatus for calibrating an in-phase and quadrature imbalance
#21Estimation apparatus for IQ imbalance of optical transmitter, compensation apparatus for IQ imbalance of optical transmitter and electronic equipment
#22Dynamic IQ mismatch correction in FMCW radar
#23Flow detection with quadrature demodulation
#24Apparatus and method of detection of image interference in a radio frequency receiver
#25Apparatus and method of reducing power consumption in a low intermediate frequency radio receiver
#26Method and apparatus to detect lo leakage and image rejection using a single transistor
#27Circuits and systems for wideband quadrature signal generation
#28Systems and methods for asynchronous re-modulation with adaptive I/Q adjustment
#29Apparatus for reducing an amplitude imbalance and a phase imbalance between an in-phase signal and a quadrature signal
#30Systems and methods to dynamically calibrate and adjust gains in a direct conversion receiver
#31Module for a radio receiver
#32Distortion compensation circuit
#33Phase shifting mixer
#34Quadrature mixer arrangement
#35System for the correction of amplitude and phase errors of in-quadrature signals, corresponding receiver and method
#36Method and apparatus to detect LO leakage and image rejection using a single transistor
#37Systems and methods for narrowband signal quadrature error correction
#38Phase imbalance calibration
#39Loopback technique for IQ imbalance estimation for calibration in OFDM systems
#40Systems and methods for asynchronous re-modulation with adaptive I/Q adjustment
#41Coefficient estimation for digital IQ calibration
#42I/Q mismatch compensation method and apparatus
#43Systems and methods for I-Q imbalance calibration
#44IQ mismatch compensation
#45Simplified high frequency tuner and tuning method
#46Systems and methods for asynchronous re-modulation with adaptive I/Q adjustment
#47Self-oscillation circuit having means for eliminating quadrature error and method for eliminating quadrature error using the circuit
#48Apparatus and method for reducing phase noise in near field communication device signaling
#49Circuit architecture for I/Q mismatch mitigation in direct conversion receivers
#50Apparatus and method for correcting IQ imbalance
#51Adjusting phase imbalance between in-phase (I) and quadrature-phase (Q) signals
#52Systems and methods for asynchronous re-modulation with adaptive I/Q adjustment
#53System and method for I-Q imbalance correction
#54Linearity in passive mixer circuits
#55Multi-tap IQ imbalance estimation and correction circuit and method
#56Simplified high frequency tuner and tuning method
#57Real-time I/Q imbalance correction for wide-band RF receiver
#58Receiver having inphase-quadrature imbalance compensation and inphase-quadrature imbalance compensation method thereof
#59Implementing spin-torque oscillator sensing with enhanced integrated demodulator for hard disk drives
#60Harmonic reject receiver architecture and mixer
#61Low complexity frequency selective IQ mismatch digital RX balancer and TX inverse balancer for non-ideal RF front-end
#62Imbalance compensator for correcting mismatch between in-phase branch and quadrature branch, and related imbalance compensation method and direct conversion receiving apparatus thereof
#63Multi-stage gain control in receivers and other circuits
#64Apparatus and method for a wideband RF mixer
#65Harmonic reject receiver architecture and mixer
#66Harmonic reject receiver architecture and mixer
#67Harmonic reject receiver architecture and mixer
#68Receiver for estimating and compensating for in-phase/quadrature mismatch
#69Circuit, controller and methods for dynamic estimation and cancellation of phase and gain imbalances in quardrature signal paths of a receiver
#70Apparatus and method for adaptive I/Q imbalance compensation
#71Digital I/Q imbalance compensation in a quadrature receiver
#72Apparatus and methods for compensating for signal imbalance in a receiver
#73Method and apparatus for imbalance-free FM demodulation in direct conversion radio receivers
#74Method and system for measuring receiver mixer IQ mismatch
#75Complex signal processing circuit, receiver circuit, and signal reproduction device
#76Calibration of quadrature imbalances using wideband signals
#77Methods and apparatus for measuring and/or using transmitter and/or receiver IQ imbalance information and/or DC offset information
#78Simplified high frequency tuner and tuning method
#79Apparatus for rejecting image in receiver
#80Calibration signal generator
#81Joint transmit and receive I/Q imbalance compensation
#82Systems and methods providing spur avoidance in a direct conversion tuner architecture
#83Dual conversion receiver with programmable intermediate frequency and channel selection
#84Receiver architecture with digitally generated intermediate frequency
#85I-Q mismatch compensation
#86Compensator unit and compensation method for I/Q imbalance errors
#87Estimating and filtering multiple sets of MIPS from different frequencies
#88FM-AM demodulator and control method therefor
#89Simplified high frequency tuner and tuning method
#90Integrated circuit, wireless communication unit and method for determining quadrature imbalance
#91IQ mismatch correction circuit
#92Circuit, controller and methods for dynamic estimation and cancellation of phase and gain imbalances in quadrature signal paths of a receiver
#93Simplified high frequency tuner and tuning method
#94Simplified high frequency tuner and tuning method
#95Simplified high frequency tuner and tuning method
#96Simplified high frequency tuner and tuning method
#97Phase error cancellation for differential signals
#98Method and system for correcting receiver mixer IQ mismatch
#99Frequency dependent I/Q imbalance estimation
#100Harmonic reject receiver architecture and mixer
#101Orthogonal signal output circuit
#102In-phase and quadrature-phase signal amplitude and phase calibration
#103Direct conversion television receiver
#104Simplified high frequency tuner and tuning method
#105I-Q mismatch calibration and method
#106Adaptive IQ alignment apparatus
#107Quadrature alignment in communications receivers
#108Direct conversion receiver and method for correcting phase imbalance therein
#109Simplified de-rotation in digital FM demodulator architectures
#110Method and system for a receiver with undersampling mixing using multiple clock phases
#111PHASE TUNING TECHNIQUES
#112Quadrature correction method for analog television reception using direct-conversion tuners
#113IQ imbalance image suppression in presence of unknown phase shift
#114Simplified high frequency tuner and tuning method
#115Simplified high frequency tuner and tuning method
#116Synchronizing circuit and controlling method thereof
#117Radio receiver or transmitter and method for reducing an IQ gain imbalance
#118IQ-Imbalance
#119Apparatus for measuring in-phase and quadrature (IQ) imbalance
#120Correction of mismatches between two I and Q channels
#121Method and apparatus for compensating for mismatch occurring in radio frequency quadrature transceiver using direct-conversion scheme
#122Method and system for RC-CR quadrature generation with wideband coverage and process compensation
#123Apparatus and methods for compensating for signal imbalance in a receiver
#124Methods and apparatus for simultaneous automatic gain, phase and DC offset correction in communication receivers
#125Method for I/Q signal adjustment
#126Method and circuit for carrier control in a quadrature demodulator
#127Communication system for utilizing single tone testing signal having specific frequency or combinations of DC value and single tone testing signal to calibrate impairments in transmitting signal
#128Method for compensation for any phase and/or amplitude error in a receiver
#129Reducing image spectral leakage due to I-Q imbalance
#130Method and apparatus for I/Q imbalance compensation
#131Receiver for use in wireless communications and method of operation of the receiver
#132Device for ultra wide band frequency generating
#133Apparatus and method for phase recovery and I/Q imbalance compensation in quadrature demodulating receiver
#134Method and system for measuring receiver mixer IQ mismatch
#135Memoryless spectrum correction algorithm for non-ideal I/Q demodulators
#136Method and system for calibrating frequencies-amplitude and phase mismatch in a receiver
#137Apparatus and method for calibrating IQ mismatch
#138Method and device for estimating IQ imbalance
#139Signal adder circuit capable of removing effects due to phase error or amplitude error of I and Q signals
#140Quadrature frequency changer, tuner and modulator
#141Quadrature alignment in communications receivers
#142Mixer system with amplitude-, common mode- and phase corrections
#143Selective channel tuner and tuning method
#144Quadrature receiver with correction engine, coefficient controller and adaptation engine
#145Radio frequency tuner
#146Method of reducing imbalance in a quadrature frequency converter, method of measuring imbalance in such a converter, and apparatus for performing such method
#147Apparatus and method for digital image correction in a receiver
#148Apparatus and method for correcting IQ imbalance
#149Apparatus and method for compensating IQ imbalance in OFDM system with carrier frequency offset
#150Harmonic reject receiver architecture and mixer
#151Memoryless spectrum correction algorithm for non-ideal I/Q demodulators
#152Amplitude controller
#153Apparatus and method to calibrate amplitude and phase imbalance for communication receivers
#154Receiver architecture with digitally generated intermediate frequency
#155Transmission/reception arrangement and method for reducing nonlinearities in output signals from a transmission/reception arrangement
#156Carrier phase detector
#157Apparatus and method for integration of tuner functions in a digital receiver
#158Simplified high frequency tuner and tuning method
#159Quadrature voltage controlled oscillator with automated phase control
#160Method and apparatus for DC offset removal
#161Dual conversion receiver with programmable intermediate frequency and channel selection
#162Mirror suppression circuit and receiver using such circuit
#163Slicing algorithm for multi-level modulation equalizing schemes
#164Apparatus for compensating DC offsets, gain and phase imbalances between I-channel and Q-channel in quadrature transceiving system
#165METHOD AND APPARATUS OF IQ MISMATCH CALIBRATION
#166Direct conversion receiver and receiving method
#167Method and apparatus for compensating I/Q imbalance in receivers
#168Apparatus and method for detecting I/Q channel imbalance in direct conversion digital quadrature transmission system
#169Coherent adaptive calibration system and method
#170On-signal quadrature modulator calibration
#171Apparatus and method for digital image correction in a receiver
#172Compensation of the IQ phase asymmetry in quadrature modulation and demodulation methods
#173Systems and methods for digital correction with selective enabling in low intermediate frequency (IF) receivers
#174Quadrature signal imbalance estimation
#175I/Q imbalance calibration apparatus, method and transmitter system using the same