| Patents for H03L 7 - Automatic control of frequency or phase; Synchronisation (37,643) |
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| 05/27/2009 | CN100492922C Mode switching method for an oscillator and corresponding oscillator device |
| 05/27/2009 | CN100492895C Feedback control system and method |
| 05/27/2009 | CN100492879C Temperature compensation type oscillator |
| 05/27/2009 | CN100492878C Oscillator and PLL circuit using the same |
| 05/26/2009 | US7538625 Method and enhanced phase locked loop circuits for implementing effective testing |
| 05/26/2009 | US7538623 Phase locked loop modulator calibration techniques |
| 05/26/2009 | US7538622 Multiple reference frequency fractional-N PLL (phase locked loop) |
| 05/26/2009 | US7538620 Phase lock control system for a voltage controlled oscillator |
| 05/26/2009 | US7538619 Oscillator reducing clock signal variations due to variations in voltage or temperature |
| 05/26/2009 | US7538591 Fast locking phase locked loop for synchronization with an input signal |
| 05/26/2009 | US7538583 High voltage integrated circuit driver with a high voltage PMOS bootstrap diode emulator |
| 05/22/2009 | WO2009064801A1 Fast-switching low-noise charge pump |
| 05/22/2009 | WO2009064723A1 A phase lock control system for a voltage controlled oscillator |
| 05/22/2009 | WO2009063612A1 Synthesizer, synthesizer module, and reception device and electronic device using same |
| 05/22/2009 | WO2009063589A1 Oscillation frequency control circuit |
| 05/21/2009 | US20090132884 Timing generator and semiconductor testing apparatus |
| 05/21/2009 | US20090128243 Semiconductor device outputting oscillation signal |
| 05/21/2009 | US20090128242 Frequency generation in a wireless communication unit |
| 05/21/2009 | US20090128241 Analogue self-calibration method and apparatus for low noise, fast and wide-locking range phase locked loop |
| 05/21/2009 | US20090128240 Oscillator, pll circuit, receiver and transmitter |
| 05/21/2009 | US20090128206 Apparatus and Method for Obtaining Desired Phase Locked Loop Duty Cycle without Pre-Scaler |
| 05/21/2009 | US20090128204 Time delay apparatus |
| 05/21/2009 | US20090128203 Pll-based timing-signal generator and method of generating timing signal by same |
| 05/21/2009 | US20090128202 Timer unit circuit having plurality of output modes and method of using the same |
| 05/21/2009 | US20090128201 Clock generators and clock generation methods thereof |
| 05/21/2009 | US20090128200 Receiver circuit of semiconductor memory apparatus |
| 05/21/2009 | US20090128199 Biased clock generator |
| 05/20/2009 | EP2003783A9 Digital processing apparatus |
| 05/20/2009 | EP2003779A9 Pll device |
| 05/20/2009 | CN201243274Y Self-reconstruction broadband frequency synthesizer capable of being dynamically configured |
| 05/20/2009 | CN101436862A VCSEL pulse type accurate drive current source |
| 05/20/2009 | CN101436861A Method for scaling picosecond stage time interval |
| 05/20/2009 | CN101436860A Phase-locked loop circuit and corresponding frequency translation method |
| 05/20/2009 | CN101436859A Rapidly-locked frequency generator |
| 05/20/2009 | CN101436858A Semiconductor device outputting oscillation signal |
| 05/20/2009 | CN101436857A Clock pulse generators and clock pulse generation methods thereof |
| 05/20/2009 | CN101436856A Frequency synchronization device, frequency synchronization method and frequency generating apparatus using the method |
| 05/20/2009 | CN101436086A System for initially generating stabilized in-chip clock |
| 05/20/2009 | CN100490303C Single point modulator having a PLL circuit |
| 05/19/2009 | US7535984 Clock adjustment apparatus and method thereof |
| 05/19/2009 | US7535957 Transmitter circuit, receiver circuit, clock data recovery phase locked loop circuit, data transfer method and data transfer system |
| 05/19/2009 | US7535275 High-performance memory interface circuit architecture |
| 05/19/2009 | US7535274 Delay control circuit |
| 05/19/2009 | US7535273 Phase-locked loop circuit, delay locked loop circuit, timing generator, semiconductor test instrument, and semiconductor integrated circuit |
| 05/19/2009 | US7535272 Zero-delay buffer with common-mode equalizer for input and feedback differential clocks into a phase-locked loop (PLL) |
| 05/19/2009 | US7535271 Locked loop circuit with clock hold function |
| 05/19/2009 | US7535270 Semiconductor memory device |
| 05/14/2009 | US20090121795 Synthesizer |
| 05/14/2009 | US20090121794 Phase lock control system for a voltage controlled oscillator |
| 05/14/2009 | US20090121793 Phase locked loop including a frequency change module |
| 05/14/2009 | US20090121792 Method of establishing an oscillator clock signal |
| 05/14/2009 | US20090121768 Semiconductor device and operation method thereof |
| 05/14/2009 | US20090121762 Timebase variation compensation in a measurement instrument |
| 05/14/2009 | US20090121761 Intra-pair differential skew compensation method and apparatus for high-speed cable data transmission systems |
| 05/14/2009 | US20090121760 Charge pump for PLL/DLL |
| 05/14/2009 | US20090121759 Fast-switching low-noise charge pump |
| 05/14/2009 | US20090121758 Chipsets and clock generation methods thereof |
| 05/14/2009 | US20090121757 Data center tracking circuit and semiconductor integrated circuit including the same |
| 05/14/2009 | US20090121756 Pseudo-synchronous small register designs with very low power consumption and methods to implement |
| 05/14/2009 | US20090121755 Semiconductor chip and semiconductor device including the same |
| 05/14/2009 | US20090121753 Protective circuit for microprocessor |
| 05/13/2009 | EP1514350A4 Frequency locked loop with improved stability |
| 05/13/2009 | EP1446885A4 Fractional-n type frequency synthesizer |
| 05/13/2009 | CN101431333A Multi-frequency band electronic device and multi-frequency band signal processing method |
| 05/13/2009 | CN101431332A High-speed phase discriminator |
| 05/13/2009 | CN101431331A Self-calibration method and circuit for phase-locked loop |
| 05/13/2009 | CN101430372A Low-cost time service and synchronization method and equipment for global positioning system receiver |
| 05/13/2009 | CN100488255C Compression apparatus and method for a video signal |
| 05/13/2009 | CN100488054C Clock phase-lock-ring output frequency regulating method |
| 05/12/2009 | US7532696 Calibration device for a phased locked loop synthesiser |
| 05/12/2009 | US7532695 Clock signal extraction device and method for extracting a clock signal from data signal |
| 05/12/2009 | US7532250 Clock generation apparatus |
| 05/12/2009 | US7532081 Frequency and/or phase compensated microelectromechanical oscillator |
| 05/12/2009 | US7532077 Edge alignment for frequency synthesizers |
| 05/12/2009 | US7532051 Method and apparatus for selection of an internal or external time delay |
| 05/12/2009 | US7532050 Delay locked loop circuit and method |
| 05/12/2009 | US7532029 Techniques for reconfiguring programmable circuit blocks |
| 05/07/2009 | WO2009057289A1 Spectrum spread clock generation device |
| 05/07/2009 | WO2009026513A3 Clock generator circuits with non-volatile memory for storing and/or feedback-controlling phase and frequency |
| 05/07/2009 | US20090116593 Circuit for providing automatic adaptation to frequency offsets in high speed serial links |
| 05/07/2009 | US20090116306 Delay locked loop circuit of semiconductor device |
| 05/07/2009 | US20090115538 Oscillator Circuit and Method for Influencing, Controlling, or Regulating the Frequency of an Oscillator |
| 05/07/2009 | US20090115536 Programmable linear trimming method and system for phase locked loop circuit calibration |
| 05/07/2009 | US20090115535 Pwm control circuit and motor equipped with the same |
| 05/07/2009 | US20090115534 Phase locked oscillator |
| 05/07/2009 | US20090115533 Voltage controlled oscillator |
| 05/07/2009 | US20090115479 Methods and apparatus for synchronizing with a clock signal |
| 05/07/2009 | US20090115478 Data output controller |
| 05/07/2009 | US20090115477 Circuit Device and Related Method for Mitigating EMI |
| 05/07/2009 | US20090115476 Programmable high-resolution phase delay |
| 05/07/2009 | US20090115475 Semiconductor device and operating method thereof |
| 05/07/2009 | US20090115474 Clock synchronization circuit and clock synchronization method |
| 05/07/2009 | US20090115473 Loop filter, phase-locked loop, and method of operating the loop filter |
| 05/07/2009 | US20090115472 Multiple reference phase locked loop |
| 05/07/2009 | US20090115471 Delay locked loop and operating method thereof |
| 05/07/2009 | US20090115469 Variability-Aware Scheme for Asynchronous Circuit Initialization |
| 05/07/2009 | US20090115468 Integrated Circuit and Method for Operating an Integrated Circuit |
| 05/07/2009 | US20090115461 Current converting method, transconductance amplifier and filter circuit using the same |
| 05/06/2009 | EP2056516A1 Clock data recovery circuitry associated with programmable logic device circuitry |
| 05/06/2009 | EP1713182B1 Oscillator array and its synchronization method |