| Patents for H03L 7 - Automatic control of frequency or phase; Synchronisation (37,643) |
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| 01/11/2005 | US6842082 Programmable voltage-controlled oscillator with self-calibration feature |
| 01/11/2005 | US6842079 High-speed, high PSRR, wide operating range voltage controlled oscillator |
| 01/11/2005 | US6842078 Ring oscillator with variable loading |
| 01/11/2005 | US6842061 Timing generating apparatus and test apparatus |
| 01/11/2005 | US6842060 Digital control logic circuit having a characteristic of time hysteresis |
| 01/11/2005 | US6842057 Analog state recovery technique for DLL design |
| 01/11/2005 | US6842056 Cascaded phase-locked loops |
| 01/11/2005 | US6842055 Clock adjustment |
| 01/11/2005 | US6842054 Frequency divider with reduced jitter and apparatus based thereon |
| 01/11/2005 | US6842049 Method of and apparatus for detecting difference between the frequencies, and phase locked loop circuit |
| 01/11/2005 | CA2359270C Phase/frequency comparator |
| 01/06/2005 | WO2005002069A2 Fast lock phase lock loop and method thereof |
| 01/06/2005 | WO2005002056A1 Vco device |
| 01/06/2005 | WO2005002055A2 Fractional-n synthesizer and method of programming the output phase |
| 01/06/2005 | WO2005002047A1 Phase-locked loop and delay-locked loop including differential delay cells having differential control inputs |
| 01/06/2005 | WO2005001284A2 Pulse width modulated common mode feedback loop and method for differential charge pump |
| 01/06/2005 | WO2004062104B1 A sawtooth wave generating apparatus, a method of generating sawtooth wave, a constant current circuit, and a method of adjusting amount of current from the same |
| 01/06/2005 | US20050005215 Built-in self-test circuit for phase locked loops, test method and computer program product therefor |
| 01/06/2005 | US20050003785 Wideband signal generators, measurement devices, methods of signal generation, and methods of signal analysis |
| 01/06/2005 | US20050003780 Receiver and its tracking adusting method |
| 01/06/2005 | US20050002482 System and method for automatic parameter adjustment within a phase locked loop system |
| 01/06/2005 | US20050002299 Clock generating device |
| 01/06/2005 | US20050001689 Phase-locked loop circuit with switched-capacitor conditioning of the control current |
| 01/06/2005 | US20050001688 System and device for calibrating oscillator charateristic curve |
| 01/06/2005 | US20050001665 Method for multiple-phase splitting by phase interpolation and circuit the same |
| 01/06/2005 | US20050001664 Circuits and methods for alignment of signals in integrated circuits |
| 01/06/2005 | US20050001663 Register controlled delay locked loop with reduced delay locking time |
| 01/06/2005 | US20050001662 System with phase jumping locked loop circuit |
| 01/06/2005 | US20050001661 Digital phase locked loop |
| 01/06/2005 | US20050001602 Circuits and methods for synchronizing non-constant frequency switching regulators with a phase locked loop |
| 01/05/2005 | EP1494349A1 Spread spectrum clock generator |
| 01/05/2005 | EP1493231A2 Improved frequency divider with reduced jitter and transmitter based thereon |
| 01/05/2005 | EP1206838A4 Stable phase locked loop having separated pole |
| 01/05/2005 | CN2669486Y Multi-clock frequency changing circuit |
| 01/05/2005 | CN2669485Y Apparatus for realizing high-precision three-level clock |
| 01/05/2005 | CN1561031A Interconnected network web information issuing method |
| 01/05/2005 | CN1560999A Clock controlling method and circuit |
| 01/05/2005 | CN1183741C Method and apparatus for providing adaptive horizontal synchronous detection |
| 01/05/2005 | CN1183740C Oscillator and phaselocked loop using the same |
| 01/05/2005 | CN1183677C PLL loop filter with switched-capacitor resistor |
| 01/05/2005 | CN1183676C Multi-input phase locked loop with interference-free reference switch |
| 01/04/2005 | US6839860 Capture clock generator using master and slave delay locked loops |
| 01/04/2005 | US6839393 Apparatus and method for controlling a master/slave system via master device synchronization |
| 01/04/2005 | US6839391 Method and apparatus for a redundant clock |
| 01/04/2005 | US6839092 Feed forward error correction in video decoder |
| 01/04/2005 | US6838951 Frequency synthesizer having VCO bias current compensation |
| 01/04/2005 | US6838947 Apparatus and method for phase lock loop gain control using unit current sources |
| 01/04/2005 | US6838919 DCVSL pulse width controller and system |
| 01/04/2005 | US6838918 Hard phase alignment of clock signals using asynchronous level-mode state machine |
| 12/30/2004 | US20040264623 Digital PLL device |
| 12/30/2004 | US20040264622 Fractional-N synthesizer and method of programming the output phase |
| 12/30/2004 | US20040264621 Start up circuit for delay locked loop |
| 12/30/2004 | US20040264619 Adjustable phase controlled clock and data recovery circuit |
| 12/30/2004 | US20040264612 Clock and data recovery method and apparatus |
| 12/30/2004 | US20040263272 Enhanced single-supply low-voltage circuits and methods thereof |
| 12/30/2004 | US20040263269 MOS-type variable capacitance element and voltage control oscillation circuit |
| 12/30/2004 | US20040263261 Low-pass filter and feedback system |
| 12/30/2004 | US20040263260 Device and method of wide-range tuning of oscillators |
| 12/30/2004 | US20040263259 System and method for control parameter re-centering in a controlled phase lock loop system |
| 12/30/2004 | US20040263233 Low voltage circuit for interfacing with high voltage analog signals |
| 12/30/2004 | US20040263227 Phase-locked loop and delay-locked loop including differential delay cells having differential control inputs |
| 12/30/2004 | US20040263226 Delay locked loop (DLL) circuit and method for locking clock delay by using the same |
| 12/30/2004 | US20040263225 Digitally-synthesized loop filter method and circuit particularly useful for a phase locked loop |
| 12/30/2004 | US20040263224 Method for producing a control signal which indicates a frequency error |
| 12/30/2004 | US20040263223 Cascaded phase-locked loops |
| 12/30/2004 | US20040263222 Power-on reset circuit with supply voltage and temperature immunity, ultra-low DC leakage current, and fast power crash reaction |
| 12/30/2004 | US20040263212 Circuit for controlling the performance of an integrated circuit |
| 12/30/2004 | US20040263146 PLL manufacturing test apparatus |
| 12/30/2004 | US20040263143 Reference voltage generator for frequency divider and method thereof |
| 12/30/2004 | DE10326164A1 High resolution frequency synthesizer with single stage phase control loop having and adjustable phase and amplitude control loop filter |
| 12/29/2004 | WO2004114525A1 Phase locked loop filter |
| 12/29/2004 | WO2004114524A1 Start up circuit for delay locked loop |
| 12/29/2004 | WO2004114091A2 Multiple clock generator with programmable clock skew |
| 12/29/2004 | WO2003040915A8 Method for implementing of wait-states |
| 12/29/2004 | EP1492236A1 Low-pass filter and feedback system |
| 12/29/2004 | EP1492235A1 Filter for phase-locked loop |
| 12/29/2004 | EP1490973A2 Improved frequency divider with reduced jitter and apparatus based thereon |
| 12/29/2004 | EP1397879A4 Clock recovery circuit |
| 12/29/2004 | CN1559107A Wireless apparatus capable of communicating in two frequency bands, and local oscillation signal generating method thereof |
| 12/29/2004 | CN1559105A Method and device for phase and frequency comparison |
| 12/29/2004 | CN1559104A Compensating method for a pll circuit that functions according to the two-point principle, and pll circuit provided with a compensating device |
| 12/29/2004 | CN1559025A A high performance integrated circuit regulator with substrate transient suppression |
| 12/29/2004 | CN1558555A Phase detector |
| 12/29/2004 | CN1182722C Video signal compression device |
| 12/28/2004 | US6836854 DS3 Desynchronizer with a module for providing uniformly gapped data signal to a PLL module for providing a smooth output data signal |
| 12/28/2004 | US6836852 Method for synchronizing multiple serial data streams using a plurality of clock signals |
| 12/28/2004 | US6836851 Two-step synchronization method in which two modules are synchronized first by frequency followed by a synchronization in phase |
| 12/28/2004 | US6836526 Fractional-N synthesizer with two control words |
| 12/28/2004 | US6836522 Clock signal extracting circuit, parallel digital interface including clock signal extracting circuit, clock signal extracting method and parallel data bit signal synchronizing method using clock signal extracting method |
| 12/28/2004 | US6836503 Apparatus for data recovery in a synchronous chip-to-chip system |
| 12/28/2004 | US6836472 Radio frequency data communications device |
| 12/28/2004 | US6836468 Radio frequency data communications device |
| 12/28/2004 | US6836193 Discretely variable capacitor for voltage controlled oscillator tuning |
| 12/28/2004 | US6836192 Methods and apparatuses for tuning voltage controlled oscillators |
| 12/28/2004 | US6836188 PLL circuit and method for eliminating self-jitter in a signal which is received by a control circuit |
| 12/28/2004 | US6836167 Techniques to control signal phase |
| 12/28/2004 | US6836166 Method and system for delay control in synchronization circuits |
| 12/28/2004 | US6836165 DLL circuit and method of generating timing signals |
| 12/28/2004 | US6836164 Programmable phase shift circuitry |
| 12/28/2004 | US6836154 Direction sensitive and phase-inversion free phase detectors |