| Patents for H03L 7 - Automatic control of frequency or phase; Synchronisation (37,643) |
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| 03/28/2013 | US20130076412 Cdr circuit |
| 03/28/2013 | US20130076411 Cdr circuit |
| 03/28/2013 | US20130076410 Power on reset signal generating apparatus and method |
| 03/28/2013 | US20130076409 Multiple Channel Distributed System and Method |
| 03/28/2013 | DE102012018538A1 Phasenregelkreis, der einen nterpolativen teiler als digital gesteuerten oszillator verwendet Phase-locked loop which utilizes a divider nterpolativen as digitally controlled oscillator |
| 03/27/2013 | EP2572453A2 Heterogeneous physical media attachment circuitry for integrated circuit devices |
| 03/27/2013 | CN202841100U Device for eliminating frequency hopping of atomic frequency standard and atomic frequency standard |
| 03/27/2013 | CN202841099U Control device for microwave system |
| 03/27/2013 | CN202841098U High-speed input/output interface and receiving circuit thereof |
| 03/27/2013 | CN103004096A Digital phase-locked loop clock system |
| 03/27/2013 | CN103004089A Integrated circuits with dual-edge clocking |
| 03/27/2013 | CN103001632A CPLD-based (complex programmable logic device-based) GPS (global positioning system) synchronous sampling circuit |
| 03/27/2013 | CN103001631A Fractional-n phase locked loop |
| 03/27/2013 | CN103001630A Phase synchronication circuit and television signal reception circuit |
| 03/27/2013 | CN103001629A Self-adaptive variable-bandwidth phase-locked loop |
| 03/27/2013 | CN103001628A Phase detection and starting circuit used in multiphase clock generating circuit of high-speed serial interface |
| 03/27/2013 | CN103001627A Trimming control system for resonance frequency of quartz crystals |
| 03/27/2013 | CN102412836B Dual programmable subtraction frequency divider |
| 03/27/2013 | CN102291134B Loop response time measuring device and method used for atomic frequency standard |
| 03/27/2013 | CN102098043B Device and method for judging locking through time error detection |
| 03/27/2013 | CN102025372B Atomic oscillator and control method of atomic oscillator |
| 03/27/2013 | CN101902218B Adaptive correcting and adjusting high linearity interpolator |
| 03/27/2013 | CN101803195B Signal generator with adjustable frequency |
| 03/27/2013 | CN101436858B Semiconductor device outputting oscillation signal |
| 03/27/2013 | CN101197572B Phase locked loop, semiconductor device, and wireless tag |
| 03/27/2013 | CN101151838B Data cleaning with an asynchronous reference clock |
| 03/26/2013 | US8406361 Fast powering-up of data communication system |
| 03/26/2013 | US8405438 Semiconductor circuit and method of retrieving signal to semiconductor circuit |
| 03/26/2013 | US8405437 Synchronization circuit |
| 03/26/2013 | US8405436 Multi-phase clock generator |
| 03/26/2013 | US8405435 Delay locked loop having internal test path |
| 03/26/2013 | US8405434 System and method for calibrating output frequency in phase locked loop |
| 03/21/2013 | WO2013038226A1 Charge-pump circuit for improving read distance |
| 03/21/2013 | WO2013037100A1 Radio frequency synthesizer and transceiver |
| 03/21/2013 | US20130069729 Phase Locked Loop Circuitry Having Switched Resistor Loop Filter Circuitry, and Methods of Operating Same |
| 03/21/2013 | US20130069699 Microwave Synthesizer |
| 03/21/2013 | US20130069697 Synchronizer with high reliability |
| 03/21/2013 | US20130069696 Fractional-N Phase Locked Loop |
| 03/21/2013 | DE102012108279A1 Phasenregelkreis mit nicht-ganzzahligem Teiler Phase-locked loop with non-integer divider |
| 03/20/2013 | EP2571165A1 Accumulator type fractional-n pll synthesizer and control method thereof |
| 03/20/2013 | EP2571164A2 CDR with digitally controlled lock to reference |
| 03/20/2013 | EP2569864A1 Circuit for clocking an fpga |
| 03/20/2013 | CN202818272U Rubidium clock frequency conversion circuit without frequency synthesizer |
| 03/20/2013 | CN202818271U Frequency synthesizer based on double-loop filtering |
| 03/20/2013 | CN202818230U Broadband amplitude modulation millimeter-wave reflection system based on waveguide modulation technique |
| 03/20/2013 | CN102983864A Loop filter and quantizer and digital-to-analog converter and operational amplifier |
| 03/20/2013 | CN102983862A Delay stage, ring oscillator, PLL-circuit and method |
| 03/20/2013 | CN102983861A 数控振荡器 Numerically Controlled Oscillator |
| 03/20/2013 | CN102983860A Method for reducing phase-locked loop (PLL) circuit locking time, PLL circuit and applications of circuit |
| 03/20/2013 | CN102983859A Combining measurement method of mechanical vibration frequency |
| 03/20/2013 | CN102983858A Phase-locked loop and phase-locking method thereof |
| 03/20/2013 | CN102983857A Phase-locked loop resistant to single particle transient state |
| 03/20/2013 | CN102983856A Multi-modulus frequency eliminator and relevant control methods |
| 03/20/2013 | CN102983855A Clock generation circuit, display device drive circuit, and control method of clock generation circuit |
| 03/20/2013 | CN102981396A Dual-modulation mutual-injection coherent two-color light source generating device |
| 03/20/2013 | CN102170289B Low-power-consumption orthogonal LC (inductance/capacitance) voltage controlled oscillator based on current multiplex |
| 03/20/2013 | CN102006067B DDS (Digital Display Scope) circuit structure with waveform correction ROM (Read Only Memory) |
| 03/20/2013 | CN101931408B Leakage current compensation digital-analog converter |
| 03/20/2013 | CN101855831B Fast-switching low-noise charge pump |
| 03/20/2013 | CN101510778B System and method for implementing a digital phase-locked loop |
| 03/19/2013 | US8400567 Method for recovering pixel clocks based on internal display port interface and display device using the same |
| 03/19/2013 | US8400227 Clock generator |
| 03/19/2013 | US8400200 Systems and methods including features of power supply noise reduction and/or power-saving for high speed delay lines |
| 03/19/2013 | US8400199 Charge pump, phase frequency detector and charge pump methods |
| 03/19/2013 | US8400198 Semiconductor integrated circuit having an on-chip PLL and operating method thereof |
| 03/19/2013 | US8400197 Fractional spur reduction using controlled clock jitter |
| 03/19/2013 | US8400196 Phase correction circuit for multi-phase signals with skew detection |
| 03/19/2013 | US8400195 Synchronization scheme with adaptive reference frequency correction |
| 03/19/2013 | US8400188 Methods, systems and arrangements for edge detection |
| 03/14/2013 | WO2012151050A3 Integrated circuit having a multiplying injection-locked oscillator |
| 03/14/2013 | US20130063661 Phase synchronication circuit and television signal reception circuit |
| 03/14/2013 | US20130063194 Circuit for the Clocking of an FPGA |
| 03/14/2013 | US20130063193 Calibration device and related method for phase difference between data and clock |
| 03/14/2013 | US20130063192 Pll bandwidth correction with offset compensation |
| 03/14/2013 | US20130063191 Methods and Circuits for Duty-Cycle Correction |
| 03/14/2013 | DE102005016626B4 Aktiver parametrischer Quadraturteiler Active parametric quadrature divider |
| 03/13/2013 | EP2568609A2 Digital modulation with arbitrary input sampling and output modulation frequencies |
| 03/13/2013 | CN102971967A Digital frequency locked loop |
| 03/13/2013 | CN102971964A Input/output interface for periodic signals |
| 03/13/2013 | CN102970036A Batched rubidium collecting device of small rubidium clock |
| 03/13/2013 | CN102970035A Atomic oscillator and method for fabricating atomic oscillator |
| 03/13/2013 | CN102970034A High precision local oscillation output method used for short-wave receiver radio frequency module |
| 03/13/2013 | CN102970033A Signal generator, oscillator, and radar device |
| 03/13/2013 | CN102970032A Method for automatically calibrating digital frequency |
| 03/13/2013 | CN102970031A Phase-locked loop frequency synthesizer and method for keeping bandwidth of frequency synthesizer loop to be stable |
| 03/13/2013 | CN102970030A System for achieving spectrum analyzer down-conversion by using broadband local oscillator and high frequency phase discrimination |
| 03/13/2013 | CN102075187B Cpt原子钟伺服电路 Cpt atomic servo circuit |
| 03/13/2013 | CN102045064B Phase locked loop and voltage controlled oscillator |
| 03/13/2013 | CN101860364B Ring oscillatorcircuit, integrated circuit for measuring critical voltage variation and method thereof |
| 03/13/2013 | CN101558566B Programmable varactor for vco gain compensation and phase noise reduction |
| 03/13/2013 | CN101425804B Coherent arrangement imprisoned atomic clock |
| 03/12/2013 | US8397269 Fast digital channel changing |
| 03/12/2013 | US8396101 Multiple high-speed bit stream interface circuit |
| 03/12/2013 | US8395453 Error compensation method, digital phase error cancellation module, and ADPLL thereof |
| 03/12/2013 | US8395430 Digital phase locking loop and method for eliminating glitches |
| 03/12/2013 | US8395429 Signal generating device and frequency synthesizer |
| 03/12/2013 | US8395428 Reference clock sampling digital PLL |
| 03/12/2013 | US8395427 Low power and low spur sampling PLL |
| 03/12/2013 | US8395426 Digital power-on reset controller |
| 03/12/2013 | US8395406 Integrated circuit architecture for testing variable delay circuit |