Patents for H03L 7 - Automatic control of frequency or phase; Synchronisation (37,643)
04/2005
04/21/2005WO2005036730A1 Microwave generator
04/21/2005US20050085206 Multi-band transceiver for a wireless communication system
04/21/2005US20050085200 Antenna interface unit
04/21/2005US20050084052 Method and device for processing the frequency shift of the carrier frequency of a signal modulated with a quadrature continuous single-carrier modulation
04/21/2005US20050084051 Phase-locked-loop with reduced clock jitter
04/21/2005US20050084050 Clock signal selecting apparatus and method that guarantee continuity of output clock signal
04/21/2005US20050084048 Clock and data recovery circuit
04/21/2005US20050084047 Clock signal correcting circuit and communicating apparatus
04/21/2005US20050083807 Optical record carrier recording device and method comprising means for generating a timing signal having an increased timing resolution
04/21/2005US20050083751 Semiconductor integrated circuit device
04/21/2005US20050083234 Wireless device reconfigurable radiation desensitivity bracket systems and methods
04/21/2005US20050083145 Adaptively extending tunable range of frequency in a closed loop
04/21/2005US20050083142 Frequency synthesizer with on-chip inductor
04/21/2005US20050083138 PLL circuit
04/21/2005US20050083137 Frequency synthesizer using a wide-band voltage controlled oscillator and a fast adaptive frequency calibration method
04/21/2005US20050083136 Charge pump for phase-locked loop
04/21/2005US20050083099 Capture clock generator using master and slave delay locked loops
04/21/2005US20050083094 Timing signal generation apparatus
04/21/2005US20050083092 Tunable delay circuit
04/21/2005US20050083090 Differential charge pump
04/21/2005US20050083089 Programmable phase-locked loop circuitry for programmable logic device
04/21/2005US20050083085 Method and apparatus for fractional RF signal synthesis
04/21/2005US20050081635 Measuring method, measurement-signal output circuit, and measuring apparatus
04/21/2005DE19932635B4 Synchronisierverfahren für eine Empfangseinheit und hiermit korrespondierende Empfangseinheit Synchronization method for a receiving unit and corresponding thereto receiving unit
04/20/2005EP1524784A2 Voltage controlled oscillator
04/20/2005CN2694619Y C-MOS electric charge pump
04/20/2005CN1608346A Frequency divider with reduced jitter and transmitter based thereon
04/20/2005CN1608342A Cascaded delay locked loop circuit
04/20/2005CN1607731A Phase error determination method and digital phase-locked loop system
04/20/2005CN1198190C Clock multiple circuit
04/19/2005US6882698 Fraction frequency divider, integrated circuit for video signal, and fraction frequency dividing method
04/19/2005US6882238 Method and apparatus for detecting on-die voltage variations
04/19/2005US6882237 Capture range control mechanism for voltage controlled oscillators
04/19/2005US6882235 Highly stable integrated time reference
04/19/2005US6882234 Frequency adjustable oscillator and methods of operation
04/19/2005US6882231 Adjustable frequency oscillator with programmable calibrating circuit and related system and method
04/19/2005US6882230 System and method for control parameter re-centering in a controlled phase lock loop system
04/19/2005US6882229 Divide-by-X.5 circuit with frequency doubler and differential oscillator
04/19/2005US6882195 Signal timing adjustment circuit with external resistor
04/19/2005US6882064 System to vary capacitance based on a control signal
04/14/2005WO2005034358A1 Phase-switching dual modulus prescaler
04/14/2005WO2005034356A2 Phase-locked loop bandwidth calibration circuit and method thereof
04/14/2005WO2005034355A2 Clock-data recovery (“cdr”) circuit, apparatus and method for variable frequency data
04/14/2005WO2005034354A2 Oscillator circuit, used in particular for mobile radio communication
04/14/2005WO2004107579A3 Dll with digital to phase converter compensation
04/14/2005WO2004102808A3 Frequency synthesizer with acoustic resonance vco
04/14/2005US20050081076 Semiconductor integrated circuit
04/14/2005US20050080579 System and method for oscillator self-calibration using AC line frequency
04/14/2005US20050080564 Rf converter with multiple mode frequency synthesizer compatible with a 48 fo gps baseband processor
04/14/2005US20050079849 Receiver for down-conversion of dual band for digital multimedia broadcasting or digital audio broadcasting
04/14/2005US20050078942 Information processing apparatus and method program, and recording medium
04/14/2005US20050078783 Digital phase-locked loop circuit
04/14/2005US20050077970 Method and device for controlling an oscillator
04/14/2005US20050077969 Digital phase-locked loop
04/14/2005US20050077955 Low-pass filter for a pll, phase-locked loop and semiconductor integrated circuit
04/14/2005US20050077937 Current starved DAC-controlled delay locked loop
04/14/2005US20050077936 Circuit and method for reducing jitter in a PLL of high speed serial links
04/14/2005US20050077935 Spread-spectrum clock generator using processing in the bitstream domain
04/14/2005US20050077934 Low-power direct digital synthesizer with analog interpolation
04/14/2005US20050077932 Synchronizer apparatus for synchronizing data from one clock domain to another clock domain
04/14/2005DE10345489B3 Vorrichtung zur Verwendung bei der Synchronisation von Taktsignalen, sowie Taktsignal-Synchronisationsverfahren Apparatus for use in the synchronization of clock signals, and clock signal synchronization method
04/14/2005DE10336480B3 Rücksetzgeneratorschaltung zur Erzeugung eines Rücksetzsignals Reset generator circuit for generating a reset signal
04/13/2005CN1606857A Method and system for transferring ip packets by aggregating multiple wireless communication channels for high data rate transfers
04/13/2005CN1606832A Self-calibrating phase locked loop charge pump system & method
04/13/2005CN1606244A Receiver for down-conversion of dual band for digital multimedia broadcasting or digital audio broadcasting
04/13/2005CN1606239A Digital phase locked loop with optional routine or rapid lock capability
04/13/2005CN1197376C Wireless communication system with frequency drift correction in subscriber terminals
04/13/2005CN1197249C Sigma Delta modulator-controlled phase-locked-loop circuit and associated method
04/13/2005CN1197248C Apparatus and associated method for calibrating a device
04/13/2005CN1197247C Method of synchronous phase-locked loop, phase-locked loop and semiconductor device possessing phase-locked loop
04/13/2005CN1197246C Phase-locked loop apparatus
04/13/2005CN1196986C Clock generating circuit
04/12/2005US6879816 Integrated switchless programmable attenuator and low noise amplifier
04/12/2005US6879643 Process and device for controlling the phase shift between four signals mutually in phase quadrature
04/12/2005US6879218 Frequency modulation corrector keeping a good oscillating signal quality and suppressing dependability of a modulation degree
04/12/2005US6879196 System and method for compensating for supply voltage induced clock delay mismatches
04/12/2005US6879188 Semiconductor integrated circuit device
04/07/2005WO2005031979A1 Delay control loop
04/07/2005WO2005031978A1 Pll frequency synthesizer
04/07/2005WO2005031975A1 Timing generator with bias current compensation circuit and method
04/07/2005WO2005031742A1 Recording clock generating apparatus
04/07/2005WO2005031738A1 Itr data reproduction device, recording/reproduction system, and interpolation filter
04/07/2005WO2005031548A2 Device used for the synchronization of clock signals, and clock signal synchronization method
04/07/2005WO2005031489A2 Current mirror compensation using channel length modulation
04/07/2005WO2005003930A3 A low latency comma detection circuit in high speed transceiver
04/07/2005US20050075855 Semiconductor integrated circuit device
04/07/2005US20050073454 A/D converter, digital PLL circuit using the same, and information recording apparatus using the same
04/07/2005US20050073371 Voltage controlled oscillator having improved phase noise
04/07/2005US20050073370 Oscillator circuit and integrated circuit incorporating the same
04/07/2005US20050073369 Phase-locked loop bandwidth calibration circuit and method thereof
04/07/2005US20050073368 Low noise synthesiser
04/07/2005US20050073367 Dual-oscillator signal synthesizer having high frequency offset stage
04/07/2005US20050073344 Semiconductor device, receiver circuit, and frequency multiplier circuit
04/07/2005US20050073343 Phase-locked loop circuit having phase lock detection function and method for detecting phase lock thereof
04/07/2005US20050073342 Power-on bias circuit using schmitt trigger
04/07/2005US20050073341 Power up signal generator
04/07/2005DE10340030A1 Clock regenerator for high data rate optical signal has frequency multiplier that produces modulation signal from clock signal with multiple of clock signal frequency and its fundamental frequency
04/06/2005EP1521369A1 Clock signal correcting circuit and communicating apparatus
04/06/2005EP1521365A2 Digital time delay apparatus, digital oscillator generating clock signal and memory interface
04/06/2005EP1520347A1 Tuning system