Patents for H03L 7 - Automatic control of frequency or phase; Synchronisation (37,643)
05/2008
05/06/2008US7369002 Phase locked loop fast lock method
05/06/2008US7369001 Frequency synthesizer having variable frequency resolution, and fractional-N frequency synthesizing method using sigma-delta modulation of frequency control pulses
05/06/2008US7369000 Adaptive frequency detector of phase locked loop
05/06/2008US7368965 Clock capture in clock synchronization circuitry
05/06/2008US7368964 Delay locked loop in semiconductor memory device and method for generating divided clock therein
05/06/2008US7368963 Delay locked loop for use in semiconductor memory device and method thereof
05/06/2008US7368962 Clock supply device
05/06/2008US7368961 Clock distribution network supporting low-power mode
05/06/2008US7368960 Circuit and method for monitoring the integrity of a power supply
05/06/2008US7368959 Voltage regulator with synchronized phase shift
05/06/2008US7368954 Phase comparison circuit and CDR circuit
05/02/2008WO2006113986A8 Method and apparatus for designing a pll
05/01/2008US20080101525 HIGH PRECISION CONTINUOUS TIME gmC BPF TUNING
05/01/2008US20080100393 Low Power Direct Conversion Rf Transceiver Architecture and Asic and Systems Including Such
05/01/2008US20080100388 Frequency-locking device and frequency-locking method thereof
05/01/2008US20080100387 Multiple frequency generator for quadrature amplitude modulated communications
05/01/2008US20080100386 Phase/frequency detector, phase locked loop, method for phase/frequency detection and method for generating an oscillator signal
05/01/2008US20080100385 Loop system capable of auto-calibrating oscillating frequency range and related method
05/01/2008US20080100384 Multi-beam klystron apparatus
05/01/2008US20080100358 Counter control signal generating circuit
05/01/2008US20080100357 Delay locked loop circuit, semiconductor device having the same and method of controlling the same
05/01/2008US20080100356 Delay locked loop circuit
05/01/2008US20080100355 Phase-locked loop circuit
05/01/2008US20080100354 Delay locked loop of semiconductor device and method for driving the same
05/01/2008US20080100353 Delay locked loop
05/01/2008US20080100352 Phase locked loop without a charge pump and integrated circuit having the same
04/2008
04/30/2008EP1916769A1 Device and method for generating a signal with predefined transient at start-up
04/30/2008EP1916768A1 Device and method for generating a signal with predefined transient at start-up
04/30/2008CN101171790A Receiver with adaptive strobe offset adjustment
04/30/2008CN101171751A Apparatus and method for controlling a delay-or phase-locked loop as a function of loop frequency
04/30/2008CN101170398A High dynamic scope quick clock recovery system based on voltage crystal oscillator
04/30/2008CN101170307A Chipset and its time impulse generation method
04/30/2008CN100385790C Switched capacitor circuit capable of minimizing clock feedthrough effect and correlation method
04/29/2008US7366937 Fast synchronization of a number of digital clocks
04/29/2008US7366486 System and method for coarse/fine PLL adjustment
04/29/2008US7366271 Clock and data recovery device coping with variable data rates
04/29/2008US7366270 PLL/DLL dual loop data synchronization utilizing a granular FIFO fill level indicator
04/29/2008US7366269 False lock detection circuit and false lock detection method, PLL circuit and clock data recovery method, communication device and communication method, and optical disk reproducing device and optical disk reproducing method
04/29/2008US7365609 Hybrid stochastic gradient based digitally controlled oscillator gain KDCO estimation
04/29/2008US7365607 Low-power, low-jitter, fractional-N all-digital phase-locked loop (PLL)
04/29/2008US7365588 Automatic time constant adjustment circuit
04/29/2008US7365583 Delay locked loop for high speed semiconductor memory device
04/29/2008US7365582 Bootstrapped charge pump driver in a phase-lock loop
04/29/2008US7365581 Regulated adaptive-bandwidth PLL/DLL using self-biasing current from a VCO/VCDL
04/29/2008US7365580 System and method for jitter control
04/29/2008US7365578 Semiconductor device with pump circuit
04/29/2008US7364503 Method and apparatus for tenderizing meat
04/24/2008WO2008047994A1 Ultra-wideband pulse generator and method thereof
04/24/2008WO2008047333A2 A delta-sigma modulator
04/24/2008WO2008046741A1 Broadband frequency synthesizer with elimination of low-frequency parasitic emissions
04/24/2008US20080094147 Method and Apparatus for Reducing Non-Montonic Regions in a Digitally Controlled Oscillator
04/24/2008US20080094146 Clock synthesizer with clock divider outside feedback loop and method thereof
04/24/2008US20080094145 Hybrid phase-locked loop
04/24/2008US20080094117 Apparatus and method for generating a clock signal
04/24/2008US20080094116 Clock generating circuit with multiple modes of operation
04/24/2008US20080094115 DLL circuit
04/24/2008US20080094109 Wide-range multi-phase clock generator
04/24/2008DE10253719B4 Phase Locked Loop mit digital gesteuerter Frequenzfeinabstimmung Phase Locked Loop with digitally controlled frequency fine tuning
04/24/2008DE102005051610B4 Schaltung mit Verzögerungsregelschleife zum Korrigieren einer Off-Chip-Treiberlastverzerrung Circuit with delay-locked loop for correcting an off-chip driver load bias
04/23/2008EP1914893A1 Wide band frequency synthesiser with attenuation of low frequency spurs
04/23/2008EP1913696A1 Delay-locked loop
04/23/2008EP1400079B1 Method and apparatus for desynchronizing a ds-3 signal and/or an e3 signal from the data portion of an sts/stm payload
04/23/2008EP1048108B1 A variable delay cell with a self-biasing load
04/23/2008EP0989706B1 Clock regeneration circuit
04/23/2008CN201051141Y Frequency marking calibration system based on GPS frequency standard source
04/23/2008CN101167253A Phase-locked loop circuit
04/23/2008CN101166029A Clock controlling method and circuit
04/23/2008CN100383549C Method and apparatus for compensating local oscillator frequency error
04/22/2008US7363563 Systems and methods for a built in test circuit for asynchronous testing of high-speed transceivers
04/22/2008US7363561 Method and circuit arrangement for resetting an integrated circuit
04/22/2008US7363013 Phase lock loop applying in wireless communication system and method thereof
04/22/2008US7362837 Method and apparatus for clock deskew
04/22/2008US7362380 Equilibrium based vertical sync phase lock loop for video decoder
04/22/2008US7362189 Oscillator circuit with regulated V-I output stage
04/22/2008US7362186 Phase-locked loop circuit and data reproduction apparatus
04/22/2008US7362185 Analog based, state machine controlled, frequency smooth switching method for frequency timing generators
04/22/2008US7362184 Frequency divider monitor of phase lock loop
04/22/2008US7362156 Reliable phase adjustment circuit
04/22/2008US7362151 Timing circuits with improved power supply jitter isolation technical background
04/22/2008US7362150 Method and system for synchronizing phase of triangular signal
04/17/2008WO2008045167A1 Clock and data recovery employing piece-wise estimation of the derivative of the frequency
04/17/2008WO2008044407A1 Clock data recovery device
04/17/2008WO2008044406A1 Clock data restoring device
04/17/2008WO2008044350A1 Pll circuit
04/17/2008WO2008043629A1 Efficient clock calibration in electronic equipment
04/17/2008WO2007147132A3 Continuous gain compensation and fast band selection in a multi-standard, multi-frequencey synthesizer
04/17/2008US20080089459 Wide frequency range delay locked loop
04/17/2008US20080088750 Display Device with Speaker Grill
04/17/2008US20080088378 Phase locked loop having continuous bank calibration unit and method of preventing unlocking of pll
04/17/2008US20080088349 Delay locked loop circuit in semiconductor device and its control method
04/16/2008EP1912333A1 A phase locked loop that sets gain automatically
04/16/2008EP1912325A2 Electronic line shaft with phased lock loop filtering and predicting
04/16/2008EP1911160A1 Pll circuit and semiconductor device having the same
04/16/2008EP1911159A1 Multiple frequency source system and method of operation
04/16/2008EP1350333B8 Local oscillator leakage control in direct conversion processes
04/16/2008CN101164236A Frequency synthesizer and charge pump circuit used for the same
04/16/2008CN101162910A Local oscillator leakage automatic eliminator
04/16/2008CN101162903A Phase locked loop having continuous bank calibration unit and method of preventing unlocking of PLL
04/16/2008CN101162889A 压控振荡器及其控制方法 A voltage controlled oscillator and its control method
04/16/2008CN101162266A Mobile communication system with integrated GPS receiver