| Patents for H03L 7 - Automatic control of frequency or phase; Synchronisation (37,643) |
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| 01/05/2011 | EP1488481B1 Phase-locked loop control of passively q-switched lasers |
| 01/05/2011 | DE102009033070A1 Half-digital phase-locked-loop circuit has voltage-controlled oscillator with analog control inlet and digital control inlet, phase or frequency detector with reference entrance and feedback entrance |
| 01/05/2011 | CN201699685U Precharging phase frequency detector |
| 01/05/2011 | CN201699684U Frequency synthesizer of full-band multi-band orthogonal frequency division multiplexing ultra wideband radio frequency transceiver |
| 01/05/2011 | CN201699659U Phase-locked amplifier |
| 01/05/2011 | CN101939916A A method of operating a multi-stream reception scheme |
| 01/05/2011 | CN101938293A Multimode-supporting radio frequency transceiver, terminal and switching method of terminal |
| 01/05/2011 | CN101938277A Frequency doubling system and method for realizing frequency doubling |
| 01/05/2011 | CN101938276A Phase frequency detector (PFD), phase frequency detection method thereof, phase locking loop (PLL) and frequency synthesizer |
| 01/05/2011 | CN101938275A Frequency reduction device |
| 01/05/2011 | CN101582684B Microwave driving source |
| 01/04/2011 | US7865749 Method and apparatus for dynamic system-level frequency scaling |
| 01/04/2011 | US7865660 Calibration of read/write memory access via advanced memory buffer |
| 01/04/2011 | US7864908 Apparatus and methods for clock signal recovery and for jitter measurement relative to the recovered clock signal |
| 01/04/2011 | US7864252 Video signal processor capable of suppressing excessive heat generation, method using the same, display device and method using the same |
| 01/04/2011 | US7863989 Replica-bias automatic gain control |
| 01/04/2011 | US7863988 Microwave signal generator |
| 01/04/2011 | US7863972 Self-calibration of continuous-time filters and systems comprising such filters |
| 01/04/2011 | US7863954 Timing vernier using a delay locked loop |
| 01/04/2011 | US7863953 Apparatus and method for use with quadrature signals |
| 01/04/2011 | US7863952 Method and circuit for controlling clock frequency of an electronic circuit with noise mitigation |
| 01/04/2011 | US7863951 Methods for adaptive trip point detection |
| 01/04/2011 | US7863950 Apparatus for adaptive trip point detection |
| 01/04/2011 | US7863949 Circuit and design structure for synchronizing multiple digital signals |
| 01/04/2011 | CA2434048C Local oscillator leakage control in direct conversion processes |
| 01/04/2011 | CA2406716C Method and apparatus for compensating local oscillator frequency error |
| 12/30/2010 | US20100329388 Frequency synthesizer and polar transmitter having the same |
| 12/30/2010 | US20100327984 Phase locked loop circuits and gain calibration methods thereof |
| 12/30/2010 | US20100327981 Charge Pump Linearization Technique For Delta-Sigma Fractional-N Synthesizers |
| 12/30/2010 | US20100327926 DLL circuit and semiconductor device having the DLL circuit |
| 12/30/2010 | US20100327925 Calibrating multiplying-delay-locked-loops (mdlls) |
| 12/30/2010 | US20100327924 Waveform equalization circuit and waveform equalization method |
| 12/30/2010 | US20100327923 Bridging device having a frequency configurable clock domain |
| 12/30/2010 | US20100327922 Integrated circuit device and data transmission system |
| 12/30/2010 | US20100327921 Circuit architecture for effective compensating the time skew of circuit |
| 12/30/2010 | US20100327912 Digital phase-locked loop and digital phase-frequency detector thereof |
| 12/30/2010 | DE102009030039A1 Vorrichtung zum Erzeugen einer vorgegebenen Phasenverschiebung An apparatus for generating a predetermined phase shift |
| 12/29/2010 | WO2010151800A2 Frequency synthesizer noise reduction |
| 12/29/2010 | WO2010151408A1 Calibrating multiplying-delay-locked-loops (mdlls) |
| 12/29/2010 | WO2010150443A1 Pll frequency synthesizer |
| 12/29/2010 | WO2010150311A1 Tdc circuit and adpll circuit |
| 12/29/2010 | EP2267900A1 High resolution auto-tuning for a voltage controlled oscillator |
| 12/29/2010 | EP2267899A1 Device for generating a pre-defined phase shift |
| 12/29/2010 | EP2267898A1 Phase controller, phase controlling printed circuit board and controlling method |
| 12/29/2010 | EP2188895B1 Phase locked loop |
| 12/29/2010 | CN201690458U Clock data recovering device |
| 12/29/2010 | CN201690437U Precision phase discriminator |
| 12/29/2010 | CN201690436U Working point control device applied in phase modulator |
| 12/29/2010 | CN201690355U External clock synchronous device of switching power supply |
| 12/29/2010 | CN201689290U Ground timing hydrogen atomic clock |
| 12/29/2010 | CN101933233A Oscillation frequency control circuit, and DC-DC converter and semiconductor device having the same |
| 12/29/2010 | CN101931408A Phase-locked loop circuitry using charge pumps with current mirror circuitry |
| 12/29/2010 | CN101931405A Coherent demodulation device for CPT atomic clock |
| 12/29/2010 | CN101931404A Phase lock technique-based microwave carbon testing frequency synthesizer |
| 12/29/2010 | CN101931403A Phase locked loop circuits and gain calibration methods thereof |
| 12/29/2010 | CN101931402A Locking detection method for phase-locked loop |
| 12/29/2010 | CN101931401A Combination circuit structure consisting of phase detection discriminator and charge pump applied to phase-locked loop |
| 12/29/2010 | CN101931400A Method for locking clock of base station and device thereof |
| 12/29/2010 | CN101931399A Phase-locked loop frequency synthesizer |
| 12/29/2010 | CN101931398A Method and apparatus for clock correction of closed loop |
| 12/29/2010 | CN101931397A Method and circuit for correcting frequency of USB device |
| 12/29/2010 | CN101931386A Pulse width modulation control system |
| 12/29/2010 | CN101931384A Power-saving trigger-type control device for instantly varying frequency and method thereof |
| 12/29/2010 | CN101217277B A non-integer frequency difference eliminator and phase-lock loop that can product non-integer real-time clock signal |
| 12/29/2010 | CN101197573B Clock pulse generator, self testing and switch control method used on the same |
| 12/28/2010 | US7859600 Arrangement for and method of projecting a level image |
| 12/28/2010 | US7859350 Microfabricated ion frequency standard |
| 12/28/2010 | US7859346 Clock generator and associated self-test and switching-control method |
| 12/28/2010 | US7859345 Semiconductor integrated circuit |
| 12/28/2010 | US7859344 PLL circuit with improved phase difference detection |
| 12/28/2010 | US7859343 High-resolution varactors, single-edge triggered digitally controlled oscillators, and all-digital phase-locked loops using the same |
| 12/28/2010 | US7859316 Delay locked loop and operating method thereof |
| 12/23/2010 | WO2010145836A1 Integrator |
| 12/23/2010 | WO2010144996A1 System and method for selecting optimum local oscillator discipline source |
| 12/23/2010 | WO2010144995A1 System and method for reducing holdover duration |
| 12/23/2010 | US20100321120 Fractional-n frequency synthesizer and method thereof |
| 12/23/2010 | US20100321119 Phase lock loop circuit |
| 12/23/2010 | US20100321118 System and method for selecting optimum local oscillator discipline source |
| 12/23/2010 | US20100321117 Device, system, and method of frequency generation using an atomic resonator |
| 12/23/2010 | US20100321115 Class-G Line Driver Control Signal |
| 12/23/2010 | US20100321077 Phase synchronization apparatus |
| 12/23/2010 | US20100321076 Delay-locked loop for correcting duty ratio of input clock signal and output clock signal and electronic device including the same |
| 12/23/2010 | US20100321075 Dual Phase Detector Phase-Locked Loop |
| 12/23/2010 | US20100321074 Methods and apparatuses for incremental bandwidth changes responsive to frequency changes of a phase-locked loop |
| 12/23/2010 | US20100321073 Oscillator and phase synchronizing circuit |
| 12/23/2010 | US20100321072 Device and Method for Signal Detection in a TDMA Network |
| 12/23/2010 | US20100321071 Semiconductor integrated circuit |
| 12/23/2010 | DE102010029977A1 Kompensation von von Leistungsversorgungsrampen verursachten Phasenabweichungen oder Phasenstörungen einer Phasenregelschleife Compensation caused by power supply ramps phase deviations or phase noise of phase-locked loop |
| 12/23/2010 | CA2765707A1 System and method for selecting optimum local oscillator discipline source |
| 12/23/2010 | CA2765705A1 System and method for reducing holdover duration |
| 12/22/2010 | EP2264903A1 Synchronization circuit, synchronization method, and reception system |
| 12/22/2010 | EP2264902A1 Analogue/digital delay locked loop |
| 12/22/2010 | EP2263317A1 Delta-sigma modulator clock dithering in a fractional-n phase-locked loop |
| 12/22/2010 | EP2003779B1 Pll device |
| 12/22/2010 | CN1874159B Clock generation circuit and semiconductor device provided therewith |
| 12/22/2010 | CN1705230B Method and apparatus for providing a power-on reset signal |
| 12/22/2010 | CN101926079A Self-oscillating regulated low-ripple charge pump and method |
| 12/22/2010 | CN101924553A Complementary metal oxide semiconductor (CMOS) ultra-wide-band divide-by-2 frequency divider structure |
| 12/22/2010 | CN101924552A Pll circuit |
| 12/22/2010 | CN101924538A Synchronizing signal control device and control method thereof |