Patents for H03L 7 - Automatic control of frequency or phase; Synchronisation (37,643)
12/2005
12/15/2005US20050275467 Oscillator
12/15/2005US20050275439 Switched capacitor for a tunable delay circuit
12/15/2005US20050275438 Capacitance multiplier with enhanced gain and low power consumption
12/15/2005DE19950360B4 Phasenregelkreis (PLL)-Taktgeber mit programierbarem Laufzeitunterschied und programmierbarer Frequenz Phase-locked loop (PLL) -Taktgeber with programierbarem skew and programmable frequency
12/15/2005DE10061167B4 Verfahren zur Erzeugung von Taktsignalen in einem Datenverarbeitungssystem mit einer Vielzahl von Datenkanälen und Anordnung zur Durchführung des Verfahrens A method for generating clock signals in a data processing system having a plurality of data channels and arrangement for performing the method
12/14/2005EP1605246A1 Measuring method, measuring signal output circuit, and measuring apparatus
12/14/2005EP1603806A1 Closure and methods for placing and removing such a closure
12/14/2005CN1708939A Receiving apparatus
12/14/2005CN1708906A A phase locked loop (PLL) using unbalanced quadricorrelator
12/14/2005CN1708905A Self-adjusting programmable on-chip clock aligner
12/14/2005CN1708904A System and method for suppressing noise in a phase-locked loop circuit
12/14/2005CN1708896A Circular geometry oscillators
12/14/2005CN1707692A Duty cycle correction
12/14/2005CN1232145C PLL circuit and radio communication terminal machine
12/14/2005CN1232043C Mixing type phase lock loop and its control method
12/14/2005CN1232042C Method and apparatus for realizing high precision three stage clock
12/13/2005US6975695 Circuit for correction of differential signal path delays in a PLL
12/13/2005US6975176 Self-tuning varactor system
12/13/2005US6975175 Charge pump
12/13/2005US6975173 Transformation of a periodic signal into an adjustable-frequency signal
12/13/2005US6975156 Switched capacitor circuit capable of minimizing clock feedthrough effect in a voltage controlled oscillator circuit and method thereof
12/13/2005US6975149 Method and circuit for adjusting the timing of output data based on an operational mode of output drivers
12/13/2005US6975148 Spread spectrum clock generation circuit, jitter generation circuit and semiconductor device
12/13/2005US6975106 Phase locked time interval analyzer
12/08/2005WO2005117267A1 System clock generator circuit
12/08/2005WO2005117266A1 Wide range clock generator
12/08/2005WO2005117265A1 Dll phase detection using advanced phase equalisation
12/08/2005WO2005117264A2 Phase-locked loops
12/08/2005WO2005117259A1 Skew correction apparatus
12/08/2005US20050272391 Device for generating a clock signal
12/08/2005US20050271180 Phase-locked circuit
12/08/2005US20050271178 Phase adjusting circuit for minimized irregularities at phase steps
12/08/2005US20050271169 High speed receive equalizer architecture
12/08/2005US20050270893 Phase detector for all-digital phase locked and delay locked loops
12/08/2005US20050270600 Increasing profile accuracy and accelerating profile creation
12/08/2005US20050270114 Voltage control oscillator having modulation function
12/08/2005US20050270110 VCO buffer circuit
12/08/2005US20050270108 Method and apparatus for calibration of a low frequency oscillator in a processor based system
12/08/2005US20050270077 Method and apparatus for providing a power-on reset signal
12/08/2005DE19644283B4 Verzögerungszeit-Meßvorrichtung für eine Verzögerungsschaltung Delay time measuring device for a delay circuit
12/07/2005EP1603235A1 TV tuner capable of outputting signals within a wide frequency band by means of a single local oscillator
12/07/2005EP1602176A1 Phase-locked loop circuit
12/07/2005EP1602175A1 Phase-locked loop circuit
12/07/2005EP1602174A1 Phase-locked/frequency-locked loop and phase/frequency comparator therefor
12/07/2005EP1514351A4 Lc oscillator with wide tuning range and low phase noise
12/07/2005EP1456940A4 Low noise oscillator
12/07/2005EP1354406B1 Method for operating a pll frequency synthesis circuit
12/07/2005CN1706143A Clock recovery method for bursty communications
12/07/2005CN1705235A Voltage controlled oscillator
12/07/2005CN1705234A Clock synthesizing method and system
12/07/2005CN1705233A Injection locking type frequency dividing circuit and frequency dividing method thereof
12/07/2005CN1705230A Method and apparatus for providing a power-on reset signal
12/07/2005CN1230985C Phase-locked loop having shaping phase error signal and method thereof
12/07/2005CN1230968C Adaptive phase control device used for charge pump
12/07/2005CN1230733C Efficient clock start and stop apparatus for clock forwarded system I/O
12/06/2005US6973400 System and method for oscillator self-calibration using AC line frequency
12/06/2005US6973150 Cycle slip detection using low pass filtering
12/06/2005US6973149 Arrangement for capturing data
12/06/2005US6973147 Techniques to adjust a signal sampling point
12/06/2005US6973145 Digital-data receiver synchronization method and apparatus
12/06/2005US6973136 Radio communications apparatus
12/06/2005US6972633 Calibrating a loop-filter of a phase locked loop
12/06/2005US6972631 Rubidium frequency standard control method and system for voltage-controlled oscillators
12/06/2005US6972604 Circuit for compensating LPF capacitor charge leakage in phase locked loop systems
12/01/2005WO2005114852A1 Mode switching method for an oscillator and corresponding oscillator device
12/01/2005WO2005114845A2 Method and apparatus for synchronizing a clock generator in the presence of jittery clock sources
12/01/2005WO2005114844A1 Control signal generation for a low jitter switched-capacitor frequency synthesizer
12/01/2005WO2005114837A2 High-speed switched-capacitor ripple-smoothing filter for low jitter phase-locked loop
12/01/2005WO2004084411A8 Frequency divider with variable division rate
12/01/2005US20050268140 Network interface with double data rate and delay locked loop
12/01/2005US20050268138 Network interface using programmable delay and frequency doubler
12/01/2005US20050268133 Battery powered device with dynamic power and performance management
12/01/2005US20050268130 Data processor
12/01/2005US20050268129 Automatic clock speed control
12/01/2005US20050266817 Method and apparatus for operating a PLL for synthesizing high-frequency signals for wireless communications
12/01/2005US20050266816 PLL synthesizer
12/01/2005US20050266805 Digital delta sigma modulator and applications thereof
12/01/2005US20050265506 Delay locked loop implementation in a synchronous dynamic random access memory
12/01/2005US20050265505 Digital phase-locked loop
12/01/2005US20050265504 Clock recovery circuit and a method of generating a recovered clock signal
12/01/2005US20050265487 Method of sampling data and a circuit for sampling data
12/01/2005US20050265440 Decision feedback equalization input buffer
12/01/2005US20050265401 Digitally controlled filter tuning for WLAN communication devices
12/01/2005US20050265181 Method and apparatus of adjusting phase of a sampling clock and prediction timing of a synchronization signal through a disc signal
12/01/2005US20050265117 Apparatus and method for generating clock signals
12/01/2005US20050265053 Oscillator and semiconductor device
12/01/2005US20050264369 Loop filter integration in phase-locked loops
12/01/2005US20050264368 Phase-control circuit arrangement and method for operating said circuit arrangement
12/01/2005US20050264367 Phase-locked loop with a pulse generator, and method for operating the phase-locked loop
12/01/2005US20050264338 Method and apparatus for generating and controlling a multiphase clock
12/01/2005US20050264337 Method and apparatus for generating a multiphase clock
12/01/2005US20050264330 Voltage controlled oscillator with automatic band selector
12/01/2005US20050264329 High voltage tolerant power up detector
12/01/2005US20050264328 Reset circuitry for an integrated circuit
12/01/2005US20050264327 Phase synchronous circuit
12/01/2005DE102004031450A1 Verzögerungsregelkreis-Vorrichtung Delay locked loop device
11/2005
11/30/2005EP1601131A1 Asynchronous multi-clock system
11/30/2005EP1601130A2 Delay locked loop circuitry for clock delay adjustment
11/30/2005EP1601107A2 Digital delta sigma modulator and applications thereof
11/30/2005EP1601103A1 Phase comparison circuit and cdr circuit