Patents for H03L 7 - Automatic control of frequency or phase; Synchronisation (37,643) |
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07/10/2001 | US6259326 Clock recovery from a burst-mode digital signal each packet of which may have one of several predefined frequencies |
07/10/2001 | US6259295 Variable phase shifting clock generator |
07/10/2001 | US6259293 Delay circuitry, clock generating circuitry, and phase synchronization circuitry |
07/10/2001 | US6259291 Self-adjusting apparatus and a self-adjusting method for adjusting an internal oscillating clock signal by using same |
07/10/2001 | US6259290 Delay locked loop having a mis-lock detecting circuit |
07/10/2001 | US6259288 Semiconductor integrated circuit having a DLL circuit and a special power supply circuit for the DLL circuit |
07/10/2001 | US6259283 Clock doubler circuit and method |
07/10/2001 | US6259278 Phase detector |
07/05/2001 | WO2001048973A1 Clock recovery and detection of rapid phase transients |
07/05/2001 | WO2001001266A9 Digital delay locked loop with output duty cycle matching input duty cycle |
07/05/2001 | US20010007151 Fully integrated tuner architecture |
07/05/2001 | US20010006544 Frequency synthesizer |
07/05/2001 | US20010006356 Voltage controlled oscillator assembly |
07/05/2001 | US20010006343 Integrated circuit and lot selection system therefor |
07/04/2001 | EP1113616A2 Method for recovering a clock signal in a telecommunications system and circuit thereof |
07/04/2001 | EP1113579A1 Method for dividing the frequency of a signal |
07/04/2001 | EP1113353A2 An apparatus and method for facilitating the efficient capture of signals originating in a fast clock domain by a circuit in a slow clock domain |
07/04/2001 | EP1112620A2 Circuit and method for generating clock pulses |
07/04/2001 | CN2438275Y Digital direct frequency synthesis and phase-locked loop type wide-band frequency synthesizer |
07/04/2001 | CN2438274Y Digital direct frequency synthesis and phase-locked loop type frequency-hopping frequency synthesizer |
07/04/2001 | CN1302477A Clock generation circuit, serial/parallel converter and parallel/serial converter and semiconductor device |
07/04/2001 | CN1302119A Digital phase detecting method and its device |
07/04/2001 | CN1302118A Method for controlling clock signal phase transient on switching and its device |
07/03/2001 | US6256362 Frequency acquisition circuit and method for a phase locked loop |
07/03/2001 | US6256361 D.T.R.M. data timing recovery module |
07/03/2001 | US6256360 Method for reducing transients in a clock signal generating system |
07/03/2001 | US6256259 Delay-locked loop with binary-coupled capacitor |
07/03/2001 | US6255912 Phase lock loop used as up converter and for reducing phase noise of an output signal |
07/03/2001 | US6255911 PLL circuit protected against noise and missing pulses in a reference signal |
07/03/2001 | US6255880 One-shot DLL circuit and method |
07/03/2001 | US6255873 Setting the common mode level of a differential charge pump output |
07/03/2001 | US6255872 Charge pump circuit for PLL |
07/03/2001 | US6255871 Method and apparatus for improving capture and lock characteristics of phase lock loops |
07/03/2001 | US6255870 Apparatus for compensating locking error in high speed memory device with delay locked loop |
07/03/2001 | US6255858 Phase-frequency detector and phase-locked loop circuit incorporating the same |
07/03/2001 | US6255647 Atomic frequency standard based on coherent state preparation |
06/29/2001 | CA2293173A1 Agile phase noise filter using vcxo and frequency synthesis |
06/28/2001 | WO2001047173A2 A multi-rate transponder system and chip set |
06/28/2001 | WO2001047122A2 Apparatus for selectively disabling clock distribution |
06/28/2001 | WO2001047110A2 Method and apparatus for changing characteristics of device |
06/28/2001 | US20010005408 Electronic device with a frequency synthesis circuit |
06/28/2001 | US20010005405 Phase synchronization method for extended partial response, and phase synchronization circuit and read channel circuit using this method |
06/28/2001 | US20010005337 Delay locked loop having fast locking time |
06/28/2001 | US20010005164 Clock recovery circuit |
06/28/2001 | US20010005157 Semiconductor device using complementary clock and signal input state detection circuit used for the same |
06/28/2001 | US20010005156 Circuit and system for extracting data |
06/28/2001 | US20010005154 Self-compensating phase detector |
06/28/2001 | CA2394594A1 Method and apparatus for selectively disabling clock distribution |
06/27/2001 | EP1111880A2 Method and apparatus for detecting dual tone alerting in telephone systems |
06/27/2001 | EP1111836A2 Circuit and system for extracting data |
06/27/2001 | EP1111793A1 Frequency synthesizer apparatus equipped with delta-sigma modulator in fraction part control circuit |
06/27/2001 | EP1111792A2 VCO with programmable output power |
06/27/2001 | EP1110340A1 Precision timing generator system and method |
06/27/2001 | EP1110316A1 Phase-locked loop system |
06/27/2001 | CN1301100A Clock resetting phase-locked loops |
06/27/2001 | CN1301085A Controller oscilator system and method |
06/27/2001 | CN1067829C Clock delay compensating & Duty controlling apparatus of phase-locked loop |
06/26/2001 | US6253348 Hardware design for majority voting, and testing and maintenance of majority voting |
06/26/2001 | US6252733 Method and apparatus for acquiring a preamble signal in a hard disk drive |
06/26/2001 | US6252469 Microwave/millimeter-wave injection/synchronization oscillator |
06/26/2001 | US6252468 Signal generator with improved impedance matching characteristics |
06/26/2001 | US6252466 Power-up detector for a phase-locked loop circuit |
06/26/2001 | US6252465 Data phase locked loop circuit |
06/26/2001 | US6252464 Numerically-controlled nyquist-boundary hopping frequency synthesizer |
06/26/2001 | US6252444 Reset signal generation circuit |
06/26/2001 | US6252443 Delay element using a delay locked loop |
06/26/2001 | US6252419 LVDS interface incorporating phase-locked loop circuitry for use in programmable logic device |
06/21/2001 | WO2001045314A2 System and method for pulsed cable telephony |
06/21/2001 | WO2001045309A2 Phase/frequency detector for dejitter applications |
06/21/2001 | WO2001045264A1 Electronic device with a frequency synthesis circuit |
06/21/2001 | WO2001045263A1 Frequency division/multiplication with jitter minimization |
06/21/2001 | WO2001045262A1 Method and system for managing reference signals for network clock synchronization |
06/21/2001 | WO2001045261A2 Model for charge pump phase-locked loop |
06/21/2001 | WO2000042659A9 System and method for esd protection |
06/21/2001 | CA2387129A1 Phase/frequency detector for dejitter applications |
06/20/2001 | EP1109349A2 Clock recovery pll for ATM networks |
06/20/2001 | EP1109319A2 Arrangement for generation and transposition of a clock signal |
06/20/2001 | EP1109318A1 Pll controller, method of pll control, and limiter |
06/20/2001 | EP1109317A1 A controller oscillator system and method |
06/20/2001 | EP0850511B1 Transmission process in which a conversion oscillator signal is synthesised by means of a fractional n-phase-shift control loop |
06/20/2001 | CN1300154A Method and apparatus for detecting dual-tone warning signals in telephone system |
06/20/2001 | CN1067502C Controllable-frequency oscillator |
06/19/2001 | US6249685 Low power fractional pulse generation in frequency tracking multi-band fractional-N phase lock loop |
06/19/2001 | US6249560 PLL circuit and noise reduction means for PLL circuit |
06/19/2001 | US6249555 Low jitter digital extraction of data from serial bitstreams |
06/19/2001 | US6249235 Sampling frequency conversion apparatus and fractional frequency dividing apparatus for sampling frequency |
06/19/2001 | US6249192 Clock injection system |
06/19/2001 | US6249189 Frequency synthesizer accomplished by using multiphase reference signal source |
06/19/2001 | US6249188 Error-suppressing phase comparator |
06/19/2001 | US6249185 Method of speeding power-up of an amplifier, and amplifier |
06/19/2001 | US6249164 Delay circuit arrangement for use in a DAC/driver waveform generator with phase lock rise time control |
06/19/2001 | US6249160 Clock reproduction and identification apparatus |
06/19/2001 | US6249159 Frequency control circuit having increased control bandwidth at lower device operating speed |
06/19/2001 | US6249150 Clock signal generator circuit |
06/17/2001 | CA2328316A1 Clock recovery pll |
06/14/2001 | WO2001043288A1 Ring oscillator with jitter reset |
06/14/2001 | WO2000003507A3 A variable clock rate correlation circuit and method of operation |
06/14/2001 | US20010003432 Quadrature demodulator with phase-locked loop |
06/13/2001 | EP1107531A2 Quadrature demodulator with phase-locked loop |
06/13/2001 | EP1107458A2 System for limiting IF variation in phase locked loops |