Patents for H03L 7 - Automatic control of frequency or phase; Synchronisation (37,643)
10/2010
10/12/2010US7812649 Low power, power on reset circuit with accurate supply voltage detection
10/07/2010WO2010115215A1 Method and system for using a mems structure as a timing source
10/07/2010WO2010115152A1 Techniques for non-overlapping clock generation
10/07/2010WO2010113377A1 Digital frequency/phase locked loop
10/07/2010WO2010113108A1 Frequency synthesiser
10/07/2010US20100253439 Electronic Circuitry
10/07/2010US20100253438 Phase Locked Loop Circuit
10/07/2010US20100253437 Method and system for using a mems structure as a timing source
10/07/2010US20100253406 Apparatus and method for compensating for process, voltage, and temperature variation of the time delay of a digital delay line
10/07/2010US20100253405 Techniques for non-overlapping clock generation
10/07/2010US20100253404 Clock jitter compensated clock circuits and methods for generating jitter compensated clock signals
10/07/2010US20100253403 Radiation-Hardened Charge Pump Topology
10/07/2010US20100253402 Communication system, phase-locked loop, movable body and communication method
10/07/2010US20100253401 Signal processing circuit and signal processing method
10/07/2010US20100253400 Phase-Locked Loop (PLL) Having Extended Tracking Range
10/07/2010DE102010013347A1 Auf einem Phasenregelkreis basierende Abstimmung eines einstellbaren Filters In a phase locked loop based tuning of an adjustable filter
10/06/2010EP2237423A1 Frequency synthesizer
10/06/2010EP2237422A1 Communication system, phase-locked loop, movable body and communication method
10/06/2010EP2237421A1 Radiation-hardened charge pump topology
10/06/2010EP2237418A2 Frequency synthesiser
10/06/2010EP2237412A1 Digitally controled frequency generator
10/06/2010EP2235852A2 Communication unit and method for frequency synchronising in a cellular communication network
10/06/2010EP2235832A1 Phase compensated renormalizable dynamic phase locked loop
10/06/2010EP2235831A2 Digital phase-locked loop operating based on fractional input and output phases
10/06/2010EP2235824A2 High-frequency counter
10/06/2010EP1421693B1 Charge pump
10/06/2010CN201601665U 锁相差频输出频率合成器 Lock difference-frequency output frequency synthesizer
10/06/2010CN1980064B Cock-phase-ring indicator
10/06/2010CN1946002B Clock synchronizing method between base stations
10/06/2010CN1591243B Light stabilization for an optically excitable atomic medium
10/06/2010CN101855831A Fast-switching low-noise charge pump
10/06/2010CN101854173A InGaP/GaAs HBT (Heterojunction Bipolar Transistor) super-high-speed frequency-halving circuit based on ECL (Emitter-Coupled Logic)
10/06/2010CN101854172A Numerical control oscillator parallel design method based on two-dimensional sine table
10/06/2010CN101854171A Multi-frequency point simulating phase-locked loop circuit
10/06/2010CN101854170A Data signal phase reversal correction method and system implementing the same
10/06/2010CN101854158A D-type flip-flop unit and frequency divider with the same
10/06/2010CN101854157A Frequency generation device and method
10/06/2010CN101136629B Driving circuit and driving method for charge pump
10/05/2010US7809971 Clock distribution circuit, semiconductor integrated circuit and method of designing clock distribution circuit
10/05/2010US7808326 PLL circuit
10/05/2010US7808325 System and method for frequency pushing/pulling compensation
10/05/2010US7808290 Semiconductor integrated circuit and method of controlling the same
10/05/2010US7808289 Method and apparatus for digital phase generation for high frequency clock applications
10/05/2010US7808288 System and method for an automatic coarse tuning of a voltage controlled oscillator in a phase-locked loop (PLL)
09/2010
09/30/2010WO2010110184A1 Circuit, control system, control method, and computer-readable recording medium in which program is recorded
09/30/2010WO2010108943A1 Frequency synthesizer
09/30/2010WO2010108658A1 Method and apparatus for generating two light waves which have stable frequencies relative to one another
09/30/2010US20100248647 Oscillator, frequency generating circuit and wireless communication system using the oscillator
09/30/2010US20100246736 Clock recovery from data streams containing embedded reference clock values
09/30/2010US20100246713 Transmitter comprising a pulse width pulse position modulator and method thereof
09/30/2010US20100246294 System and method for delay locked loop relock mode
09/30/2010US20100246280 Semiconductor device having reset command
09/30/2010US20100246219 Applying Charge Pump To Realize Frequency Jitter For Switched Mode Power Controller
09/30/2010US20100245012 Integrated Spiral Inductor
09/30/2010US20100244971 Time-to-digital converter (tdc) with improved resolution
09/30/2010US20100244968 Voltage-controlled oscillator, and pll circuit, fll circuit, and wireless communication device using the same
09/30/2010US20100244967 Oscillator
09/30/2010US20100244916 Self-timed fine tuning control
09/30/2010US20100244915 Clock signal generation circuit for reducuing current consumption, and semiconductor device having the same
09/30/2010US20100244914 Clock generator to reduce long term jitter
09/30/2010US20100244913 Method and appartus for exchanging data between devices operating at different clock rates
09/30/2010US20100244912 Controller and voltage detection enabling circuit thereof
09/30/2010US20100244911 Supply circuitry for sleep mode
09/30/2010DE102004059987B4 Spannungsgesteuerte Oszillatorschaltung mit analoger und digitaler Ansteuerung und phasenverriegelte Regelschleife mit einer solchen Oszillatorschaltung Voltage controlled oscillator circuit with analog and digital control and phase-locked loop with such oscillator circuit
09/30/2010CA2755962A1 Circuit, control system, control method and computer-readable recording medium for recording program
09/29/2010EP2232709A1 Systems and methods for calibrating the loop bandwidth of a phase-locked loop (pll)
09/29/2010EP2232708A1 Digital phase-locked loop with gated time-to-digital converter
09/29/2010EP1377994B1 Tunable ferro-electric filter
09/29/2010CN201594816U 压控振荡器 Voltage Controlled Oscillator
09/29/2010CN1802811B Transmission system, signal receiver, test apparatus and test head
09/29/2010CN101849359A Phase locked loop
09/29/2010CN101847994A Method and device for implementing Ramsey-CPT atomic frequency standard by microwave periodic On-Off modulation VCSEL
09/29/2010CN101847993A Method and system for configuring clock of audio equipment
09/29/2010CN101847992A Frequency synthesis system for enhancing spectrum purity of direct digital frequency synthesizer
09/29/2010CN101846965A Method for pumping rubidium bubble for outputting standard frequency by lamp pump rubidium gas laser and rubidium atomic clock
09/29/2010CN101471659B 5.5 to 7.2 GHz four-band frequency synthesizer for OFDM UWB
09/29/2010CN101471061B Audio clock regenerator with precise parameter transformer
09/29/2010CN101150319B Frequency comparator, frequency synthesizer and its related method
09/29/2010CN101145837B A circuit system and method of automatically recoverable available service clock
09/28/2010US7805628 High resolution clock signal generator
09/28/2010US7804926 PLL using unbalanced quadricorrelator
09/28/2010US7804370 Frequency generator
09/28/2010US7804369 Integrated frequency calibration architecture
09/28/2010US7804367 Frequency synthesizer and frequency calibration method
09/28/2010US7804344 Periodic signal synchronization apparatus, systems, and methods
09/28/2010US7804343 Disturbance suppression capable charge pump
09/28/2010US7804342 Differential signal driven direct-current voltage generating device
09/28/2010US7804341 Level-restored for supply-regulated PLL
09/23/2010WO2010108036A1 Frequency calibration of radio frequency oscillators
09/23/2010WO2010108034A1 Transformer-based cmos oscillators
09/23/2010WO2010107943A1 Systems and methods for self testing a voltage controlled oscillator
09/23/2010WO2009086060A8 Method and apparatus for generating or utilizing one or more cycle-swallowed clock signals
09/23/2010US20100242010 Propagation delay time balancing in chained inverting devices
09/23/2010US20100239234 Periodic signal delay apparatus, systems, and methods
09/23/2010US20100238349 Image display apparatus and frequency adjustment method thereof
09/23/2010US20100237960 Frequency-jittering apparatuses, frequency-jittering methods and power management devices
09/23/2010US20100237953 Digital phase detector, and digital phase locked loop including the same
09/23/2010US20100237951 Frequency calibration of radio frequency oscillators
09/23/2010US20100237918 Frequency measuring circuit and semiconductor device having the same
09/23/2010US20100237917 Duty detection circuit, clock generation circuit including the duty detection circuit, and semiconductor device
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