Patents for H03L 7 - Automatic control of frequency or phase; Synchronisation (37,643) |
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04/09/2002 | US6369647 Demodulator circuit and method of tuning |
04/09/2002 | US6369627 Delay circuit and semiconductor integrated circuit having same |
04/09/2002 | US6369626 Low pass filter for a delay locked loop circuit |
04/09/2002 | US6369625 Phase locked loop circuit |
04/09/2002 | US6369624 Programmable phase shift circuitry |
04/09/2002 | US6369623 Circuit configuration for a frequency divider |
04/04/2002 | WO2002027938A2 High resolution, low jitter frequency synthesizer |
04/04/2002 | WO2002027937A1 Voltage controlled oscillator |
04/04/2002 | WO2002027936A2 Feed forward sigma delta interpolator for use in a fractional-n synthesizer |
04/04/2002 | WO2002027923A2 High-swing transconductance amplifier for charge pump circuit |
04/04/2002 | WO2002027914A2 Multi-frequency band controlled oscillator |
04/04/2002 | WO2001086815A3 Method and apparatus for reducing pll lock time |
04/04/2002 | US20020039894 Frequency synthesizer and multi-band radio apparatus using said frequency synthesizer |
04/04/2002 | US20020039397 Phase comparator circuit |
04/04/2002 | US20020039395 Timing recovery and frequency tracking system and method |
04/04/2002 | US20020039394 Phase interpolator device and method |
04/04/2002 | US20020039052 Quadrature oscillator with phase error correction |
04/04/2002 | US20020039051 VCO circuit with wide output frequency range and PLL circuit with the VCO circuit |
04/04/2002 | US20020039050 VCO tuning curve compensated charge pump current synthesizer |
04/04/2002 | US20020039020 Sample and hold phase detector having low spurious performance and method |
04/04/2002 | DE10044835A1 Taktregenerierungsschaltung zum Regenerieren von Eingangsdaten und Verfahren zur Nutzung Clock recovery circuit for regenerating input data and methods of use |
04/04/2002 | DE10044832A1 Generating e.g. mobile telephone signal using self-adjusting system to enhance purity, produces reference-, error- and improved-purity signals |
04/03/2002 | EP1193879A1 Low noise frequency synthesizer with rapid response and corresponding method for frequency synthesis |
04/03/2002 | EP1193878A1 Frequency synthesizer and low-noise frequency synthesizing process |
04/03/2002 | EP1193877A1 Fast tuning fractional-N frequency synthesizer and corresponding frequency synthesizing process |
04/03/2002 | EP1193876A1 Frequency synthesizer and low-noise frequency synthesizing process |
04/03/2002 | EP1193875A1 Voltage-controlled oscillator with automatic center frequency calibration |
04/03/2002 | EP1193874A1 Phase-locked loop circuit and delay-locked loop circuit |
04/03/2002 | EP1192744A1 Control of phase locked loop during change of synchronisation source |
04/03/2002 | CN1343393A Transmitter-receiver |
04/03/2002 | CN1082280C Communication apparatus |
04/03/2002 | CN1082278C Synchronous transmission phase modulating system for bottle making machine |
04/03/2002 | CN1082275C Apparatus and method for using negative FM feedback in high quality oscillator devices |
04/02/2002 | US6366936 Pipelined fast fourier transform (FFT) processor having convergent block floating point (CBFP) algorithm |
04/02/2002 | US6366769 Frequency snythesizer with a digital frequency window detector and a receiver incorporating the same |
04/02/2002 | US6366768 Circuit and method of frequency synthesizer control with a serial peripheral interface |
04/02/2002 | US6366628 Method and circuit for sampling timing recovery |
04/02/2002 | US6366620 VSAT system |
04/02/2002 | US6366604 Compensation for phase errors caused by clock jitter in a CDMA communication system |
04/02/2002 | US6366225 Circuit and method for determining the phase difference between a sample clock and a sample signal by linear approximation |
04/02/2002 | US6366174 Method and apparatus for providing a clock generation circuit for digitally controlled frequency or spread spectrum clocking |
04/02/2002 | US6366173 Phase synchronous circuit and electronic device using the same |
04/02/2002 | US6366148 Delay locked loop circuit and method for generating internal clock signal |
04/02/2002 | US6366146 Phase-locked loop based clock phasing implementing a virtual delay |
04/02/2002 | US6366145 Linearized digital phase-locked loop |
04/02/2002 | US6366144 Loop filtering apparatus for reducing frequency lock-up time and phase noise of a phase locked loop for use in a mobile terminal |
03/28/2002 | WO2002025813A1 Resonator configuration |
03/28/2002 | WO2002025811A1 Component having an acoustically active material |
03/28/2002 | WO2002025806A1 Segmented spectrum clock generator apparatus and method for using same |
03/28/2002 | WO2001059550A3 A secure asynchronous clock multiplexer |
03/28/2002 | US20020038435 Semiconductor integrated circuit system for high-speed data transfer in syschronization with a predetermined clock |
03/28/2002 | US20020037702 Transmitting and receiving apparatus |
03/28/2002 | US20020037065 Clock signal reproduction device |
03/28/2002 | US20020036909 Phase control circuit and switching regulator |
03/28/2002 | US20020036578 Method and arrangement for synchronizing a sigma delta-modulator |
03/28/2002 | US20020036545 Phase lock loop |
03/28/2002 | US20020036544 Feed forward sigma delta interpolator for use in a fractional-N synthesizer |
03/28/2002 | US20020036538 High-swing transconductance amplifier for charge pump circuit |
03/28/2002 | US20020036532 Modified phase interpolator and method to use same in high-speed,low power applications |
03/28/2002 | US20020036527 Delay locked loop circuit for synchronizing internal supply clock with reference clock |
03/28/2002 | US20020036526 Digital phase control using first and second delay lines |
03/28/2002 | US20020036525 Circuit for synchronizing frequencies of clock signals |
03/28/2002 | US20020036524 Synchronizing circuit for generating a signal synchronizing with a clock signal |
03/28/2002 | DE10042233A1 Takt-und Datenregenerator mit Demultiplexerfunktion Clock and data regenerator with Demultiplexerfunktion |
03/27/2002 | EP1191697A2 Local Oscillator for the Generation of an HF-Signal to be Directly Mixed by Avalanche-Photodiodes |
03/27/2002 | EP1191530A2 Optical disk device |
03/27/2002 | EP0962052A4 Temperature insensitive silicon oscillator and precision voltage reference formed therefrom |
03/27/2002 | CN1081860C Synchronization device for digital communications |
03/27/2002 | CN1081853C Method and apparatus for temperature compensation of reference oscillator in communication device |
03/26/2002 | US6362698 Low impedance clamping buffer for an LC tank VCO |
03/26/2002 | US6362693 Frequency detection method for adjusting a clock signal frequency and a frequency detector circuit for carrying out the method |
03/26/2002 | US6362670 Controlled slew reference switch for a phase locked loop |
03/26/2002 | US6362668 Circuit and method for frequency generator control |
03/26/2002 | CA2264470C Timing recovery system |
03/21/2002 | WO2002023715A2 Digital clock skew detection and phase alignment |
03/21/2002 | WO2001089092A3 Apparatus for radio frequency processing with dual modulus synthesizer |
03/21/2002 | US20020035721 Clock modes for a debug port with on the fly clock switching |
03/21/2002 | US20020034932 Method and apparatus for generating a variable capacitance for synthesizing high-frequency signals for wireless communications |
03/21/2002 | US20020034274 Phase detector and phase locked loop circuit |
03/21/2002 | US20020034222 Methods and systems for adaptive receiver equalization |
03/21/2002 | US20020033741 Voltage controlled oscillator with automatic center frequency calibration |
03/21/2002 | US20020033739 Electronically trimmed VCO |
03/21/2002 | US20020033738 PLL circuit |
03/21/2002 | US20020033737 System and method for time dithering a digitally-controlled oscillator tuning input |
03/21/2002 | US20020033736 Frequency synthesizer and method of providing a mixing oscillator signal to a mixer |
03/21/2002 | US20020033721 Delay circuit, voltage-controlled delay circuit, voltage-controlled oscillation circuit, delay adjustment circuit, DLL circuit, and PLL circuit |
03/21/2002 | US20020033714 Digital phase detector circuit and method therefor |
03/20/2002 | EP1189351A2 Method for tuning a voltage controlled oscillator |
03/20/2002 | EP1189348A2 Clock controlling method and circuit |
03/20/2002 | EP1189347A1 Electronically trimmed VCO |
03/20/2002 | EP1188249A1 Spread-spectrum gmsk/m-ary radio with oscillator frequency correction |
03/20/2002 | EP1188242A1 Low power, no deadzone phase frequency detector with charge pump |
03/20/2002 | EP1188229A1 Detector tolerant of frequency misalignment |
03/20/2002 | EP1188228A1 Electronic circuit arrangement generating a transmit frequency |
03/20/2002 | CN1340971A Measurement for trembling, frequency shifting and drift rate of motion image engineering group program timer benchmark |
03/20/2002 | CN1340917A Equipment and method for synchronous timer modulation with power source modulation in band expansion timer system |
03/20/2002 | CN1340809A Circuit for measuring time-lase error parameters of pulse string and optical disc recording device |
03/20/2002 | CN1081406C Semiconductor apparatus for use in low voltage power supply |
03/19/2002 | US6359950 Digital PLL (phase-locked loop) frequency synthesizer |
03/19/2002 | US6359948 Phase-locked loop circuit with reduced jitter |