Patents for H03D 3 - Demodulation of angle-modulated oscillations (6,449)
05/2009
05/28/2009US20090134917 Voltage divider having varied output levels depending on frequency and pll including the same
05/26/2009US7539474 DC offset, re-radiation, and I/Q solutions using universal frequency translation technology
05/26/2009US7539278 Programmable transceivers that are able to operate over wide frequency ranges
05/26/2009US7539277 Binary stream switching controlled modulus divider for fractional frequency synthesis
05/22/2009WO2008152322A3 Method and electronic device for frequency shifting an analogue signal, in particular for mobile telephony
05/21/2009US20090129526 Phase-locked loop circuit and corresponding control method
05/21/2009US20090129525 Apparatus and method for phase locked loop
05/21/2009US20090129524 Spread spectrum clock generators
05/21/2009US20090129508 Quadrature alignment in communications receivers
05/20/2009DE102008048061A1 Inductance-capacitance (LC) quadrature oscillator has mismatch compensator that compensates for phase and amplitude mismatches of predetermined clock signals and having amplitude mismatch detector
05/20/2009CN100490304C Additive DC component detection included in an input burst signal
05/19/2009US7535977 Sigma-delta based phase lock loop
05/19/2009US7535976 Apparatus and method for integration of tuner functions in a digital receiver
05/19/2009US7535957 Transmitter circuit, receiver circuit, clock data recovery phase locked loop circuit, data transfer method and data transfer system
05/14/2009WO2009061951A1 A variability-aware asynchronous scheme for high-performance delay matching
05/14/2009WO2007067237A3 Method and apparatus for loop filter size reduction
05/14/2009US20090122937 Frequency calibration apparatus of frequency synthesizer and frequency calibration method thereof
05/14/2009US20090122919 Receiver circuit, application of a first and a second proportional element of a digital pll structure, and method for receiving a frequency-shift keyed signal
05/14/2009US20090121787 Harmonic quadrature demodulation apparatus and method thereof
05/12/2009US7532870 Method and apparatus for DC offset removal
05/12/2009US7532697 Methods and apparatus for clock and data recovery using a single source
05/12/2009US7532696 Calibration device for a phased locked loop synthesiser
05/12/2009US7532695 Clock signal extraction device and method for extracting a clock signal from data signal
05/12/2009US7532692 Wired/wireless communication receiver and method for improving performance of equalizer through multipath delay spread estimation
05/12/2009US7532064 FSK demodulator circuit
05/07/2009US20090116603 USB frequency synchronizing apparatus and method of synchronizing frequencies
05/05/2009US7529522 Apparatus and method for communicating an input signal in polar representation
05/05/2009US7529331 Wobble clock generator and driving method thereof
04/2009
04/30/2009US20090110136 Bang-bang phase detector with sub-rate clock
04/29/2009CN100483965C Method and apparatus for signal integrity verification
04/29/2009CN100483924C Frequency synthesizer with prescaler
04/29/2009CN100483923C Circuit arrangement for shifting the phase of an input signal and circuit arrangement for suppressing the mirror frequency
04/28/2009US7526056 Delay locked loop with low jitter
04/28/2009US7526055 Sigma-delta modulator and fractional-N frequency synthesizer comprising same
04/28/2009US7526049 Data sampling circuit and semiconductor integrated circuit
04/23/2009US20090103675 Linear phase interpolator and phase detector
04/23/2009US20090103674 Data transmission system and method thereof
04/23/2009US20090103655 Simplified de-rotation in digital fm demodulator architectures
04/22/2009EP1568124B1 Phase locked loop demodulator with gain control
04/22/2009CN101416381A Self-calibrating mixer
04/22/2009CN100481828C Amplitude imbalance compensation of quadrature modulator
04/22/2009CN100481711C High performance signal generation
04/21/2009US7522900 DC offset correction for use in a radio architecture
04/21/2009US7522691 Phase-locked circuit
04/21/2009US7522690 Jitter self test
04/16/2009WO2009048695A2 Nanotube resonator devices
04/16/2009US20090097609 Error Compensation Method, Digital Phase Error Cancellation Module, and ADPLL thereof
04/16/2009US20090097607 Method and system of detecting and locking to multi-standard video streams
04/16/2009US20090097606 Methods for multi-channel data detection phase locked loop frequency error combination
04/16/2009US20090097604 Methods for multi-channel data detection phase locked loop error combination
04/16/2009US20090096519 Configurable demodulator and demodulation method
04/16/2009CA2641114A1 Configurable demodulator and demodulation method
04/15/2009EP1568192B1 Compensating for analog radio component impairments to relax specifications
04/15/2009EP1042871B1 Digital radio-frequency transceiver
04/14/2009US7519139 Signal monitoring systems and methods
04/14/2009US7519134 Method and apparatus to determine phase difference between a received analog signal and a reference signal based upon a local oscillator
04/09/2009WO2006026683A3 Message synchronization over a stochastic network
04/08/2009CN100477541C Radio receiver
04/08/2009CN100477540C Method and device for processing received signal
04/08/2009CN100477490C Electrical circuit, apparatus and method for the demodulation of an intensity-modulated signal
04/08/2009CN100477489C Quadrature demodulator using a FFT processor
04/07/2009US7515895 System and method for on-chip filter tuning
04/07/2009US7515668 Data and/or clock recovery circuits with sampling offset correction
04/07/2009US7515665 GFSK/GMSK detector with enhanced performance in co-channel interference and AWGN channels
04/07/2009US7515650 Quadrature modulation compensation
04/07/2009US7515002 Frequency synthesizer for dual mode receiver
04/02/2009US20090086876 Start up circuit for delay locked loop
04/02/2009US20090086850 Method and system for a receiver with undersampling mixing using multiple clock phases
03/2009
03/31/2009US7512871 Techniques for mitigating, detecting, and correcting single event upset effects in systems using SRAM-based field programmable gate arrays
03/31/2009US7512205 Baud rate generation using phase lock loops
03/31/2009US7512204 Multi-phase-locked loop (PLL) solution for multi-link multi-rate line card applications
03/31/2009US7512195 Frequency control apparatus, wireless communication apparatus and frequency control method
03/26/2009WO2009016000A3 Iq gain imbalance suppression in presence of unknown phase imbalance
03/26/2009US20090079524 Multi-band tunable resonant circuit
03/26/2009US20090079497 Phase tuning techniques
03/25/2009CN100472942C Demodulator for converting analog input voltage to output voltage and method thereof
03/24/2009US7508901 Apparatus and method for generating current reset mode pulse width modulation signals
03/24/2009US7508900 Apparatus for improved resolution pulse width modulation module duty cycle, dead time and phase
03/24/2009US7508899 Apparatus and method for generating multi-phase pulse width modulation (PWM) and sharing a common (master) duty cycle value among a plurality of PWM generators
03/24/2009US7508898 Programmable radio transceiver
03/24/2009US7508897 PLL circuit and high-frequency receiving device
03/24/2009US7508896 Circuit and method for dynamically adjusting a filter bandwidth
03/24/2009US7508894 Apparatus of adjusting wobble clock
03/24/2009US7508890 Apparatus and method for FSK demodulation with integrated time and frequency tracking
03/24/2009US7508889 Digital apparatus for soft detection of multi-chip DBPSK signals
03/24/2009US7508888 Method and apparatus for precise open loop tuning of reference frequency within a wireless device
03/19/2009US20090074127 Phase locking method and apparatus
03/19/2009US20090074126 Systems and methods for data recovery in an input circuit receiving digital data at a high rate
03/19/2009US20090074125 Time-interleaved clock-data recovery and method thereof
03/18/2009CN100471041C Demodulator and demodulation method for demodulating received signals
03/17/2009US7505543 Method and device for processing the frequency shift of the carrier frequency of a signal modulated with a quadrature continuous single-carrier modulation
03/17/2009US7505542 Low jitter digital frequency synthesizer with frequency modulation capabilities
03/17/2009US7505541 NRZ/PAM-4/PRML triple mode phase and data detector
03/17/2009US7505086 Video receiver with DC offset cancellation
03/12/2009US20090067563 Frequency synthesizer, coupled divide-by-n circuit, current-reuse multiply-by-m circuit
03/12/2009US20090066436 Multi-brand electronic apparatus and multi-band signal processing method
03/10/2009US7502436 Apparatus and method for generating push-pull pulse width modulation signals
03/10/2009US7502435 Two-point modulator arrangement and use thereof in a transmission arrangement and in a reception arrangement
03/05/2009US20090060021 Multi-tap decision feedback equalizer (dfe) architecture eliminating critical timing path for higher-speed operation
03/05/2009US20090060019 Equalizer system and filtering method
1 ... 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 ... 65