Patents for H03L 7 - Automatic control of frequency or phase; Synchronisation (37,643)
04/2011
04/06/2011CN201789488U Novel axial signal generating circuit
04/06/2011CN1964195B Switchable pll circuit and method for operating the circuit
04/06/2011CN102007696A Phase to digital converter in all digital phase locked loop
04/06/2011CN102006068A 改进型铷原子频标 Improved rubidium atomic frequency standard
04/06/2011CN102006067A DDS (Digital Display Scope) circuit structure with waveform correction ROM (Read Only Memory)
04/06/2011CN102006066A ROM-less DDS circuit structure
04/06/2011CN102006065A Fractional phase-locked loop structure for reducing quantized noise of Sigma Delta modulator
04/06/2011CN102006064A Voltage controlled oscillator (VCO) with high tuning linearity
04/06/2011CN102006063A Autotracking switch type charge pump for phase lock loop
04/06/2011CN102006062A Phase locked loop with zero phase error
04/06/2011CN102006061A Frequency and phase discriminator and working method thereof
04/06/2011CN102006060A Harmonic phase locking frequency source and phase locking method thereof
04/06/2011CN102006059A Sigma delta controlled phase locked loop and calibration circuit and calibration method thereof
04/06/2011CN102006058A PLL (Phase-Locked Loop) leakage current compensation circuit and PLL circuit
04/06/2011CN101414820B Digital frequency synthesis and synchronous circuit
04/06/2011CN101345823B Information device and portable information apparatus
04/06/2011CN101136240B DLL circuit and semiconductor device including the same
04/05/2011US7920663 Using the AC mains as a reference for frequency comparison
04/05/2011US7920001 Semiconductor memory device and method for operating the same
04/05/2011US7920000 PLL circuit and method of controlling the same
04/05/2011US7919999 Band-gap reference voltage detection circuit
03/2011
03/31/2011US20110075456 Power conversion control system
03/31/2011US20110074514 Frequency measurement circuit and pll synthesizer provided therewith
03/31/2011US20110074480 Method and Apparatus for the Controlled Delay of an Input Signal
03/31/2011US20110074479 Delay locked loop apparatus
03/31/2011US20110074478 Semiconductor apparatus
03/31/2011US20110074477 Techniques for Providing Reduced Duty Cycle Distortion
03/31/2011US20110074476 Apparatus for lock-in amplifying an input signal and method for generating a reference signal for a lock-in amplifier
03/31/2011US20110074475 Frequency synthesizer
03/31/2011US20110074474 Phase-locked-loop circuit
03/31/2011US20110074473 Reset circuit
03/31/2011US20110074472 Semiconductor device and power control method used for same
03/31/2011US20110074471 Semiconductor apparatus and method for controlling the same
03/31/2011US20110074470 Low current power-on reset circuit and method
03/31/2011US20110074469 Frequency Generation Circuitry And Method
03/31/2011US20110074468 Frequency generator
03/31/2011US20110074140 Control unit and method for controlling occupant protection means for a vehicle
03/31/2011DE112009000483T5 Phasenregelkreis Phase-locked loop
03/31/2011DE102007059977B4 Vorrichtung zum Betrieb eines mikromechanischen Federbalkens und Messanordnung mit einem solchen Federbalken Apparatus for operating a micromechanical cantilever and measuring arrangement with such cantilevers
03/31/2011DE102007054383B4 Digitale phasenstarre Schleife Digital phase-locked loop
03/30/2011EP2302831A1 Apparatus for data recovery in a synchronous chip-to-chip system
03/30/2011EP2302800A1 Digital phase-locked loops and frequency adjusting methods thereof
03/30/2011EP2302783A1 Power conversion control system
03/30/2011EP2302626A2 Method of modulating a laser diode power
03/30/2011EP2301155A1 Method and systems for delay compensation in global pll-based timing recovery loops
03/30/2011EP2301145A1 Circuit with a time to digital converter and phase measuring method
03/30/2011EP1875610B1 Circuit arrangement, in particular phase-locked loop, as well as corresponding method
03/30/2011EP1425856B1 Apparatus and method for frequency and phase acquisition
03/30/2011CN1992530B Method and apparatus for simple pulse interpolation
03/30/2011CN1956337B Method and device for removing parasitic reference frequency in phaselocked loop frequency synthesizer
03/30/2011CN1954492B Method and apparatus for synchronizing a clock generator in the presence of jittery clock sources
03/30/2011CN101999144A Receiver having clock recovery unit based on delay locked loop
03/30/2011CN101997545A Frequency synthesizer
03/30/2011CN101997544A Frequency synthesizer and method for constructing same
03/30/2011CN101997543A Frequency discriminator and method for realizing frequency discrimination
03/30/2011CN101997542A Delay locked loop circuit
03/30/2011CN101997541A Frequency jitter device and method and power management device
03/30/2011CN101478308B Configurable frequency synthesizer circuit based on time-delay lock loop
03/30/2011CN101436860B Phase-locked loop circuit and corresponding frequency translation method
03/30/2011CN101383613B PLL circuit and oscillation signal phase control method
03/30/2011CN101262202B Temperature compensated oscillator
03/30/2011CN101242185B Dynamically configurable self-reconstructable wide frequency mixer
03/30/2011CN101213752B Semiconductor device and radio circuit device using same
03/29/2011US7917799 Method and system for digital frequency clocking in processor cores
03/29/2011US7917795 Digital circuit to measure and/or correct duty cycles
03/29/2011US7917793 Apparatus providing locally adaptive retiming pipeline with swing structure
03/29/2011US7916821 Method and apparatus for output data synchronization with system clock in DDR
03/29/2011US7916819 Receiver system and method for automatic skew-tuning
03/29/2011US7915963 Current controlled oscillation device and method having wide frequency range
03/29/2011US7915962 System and method for built in self test for timing module holdover
03/29/2011US7915960 Multi-primary distributed active transformer amplifier power supply and control
03/29/2011US7915938 Multi-channel digital pulse width modulator (DPWM)
03/29/2011US7915935 Communication systems w/counter-based frequency centering for mm-wave frequency bands
03/29/2011US7915934 Delay locked loop circuit and operational method thereof
03/29/2011US7915933 Circuit for clamping current in a charge pump
03/29/2011US7915932 Semiconductor integrated circuit
03/29/2011US7915931 Power sequencing with logic enabled regulator
03/29/2011US7915930 Dual power-up signal generator for stabilizing an internal voltage generator
03/24/2011WO2011035118A1 Method and apparatus for calibrating oscillators
03/24/2011WO2011034861A1 Delay-locked loop having a delay independent of input signal duty cycle variation
03/24/2011WO2011032287A1 Distributed power generation interface
03/24/2011US20110069792 Digital phase-locked loops and frequency adjusting methods thereof
03/24/2011US20110069191 Correlated double sampling circuit, image sensor including the same, and image processing system including the image sensor
03/24/2011US20110068874 Method and apparatus for calibrating oscillators
03/24/2011US20110068841 High-resolution varactors, single-edge triggered digitally controlled oscillators, and all-digital phase-locked loops using the same
03/24/2011US20110068840 Use of data decisions for temporal placement of samplers
03/24/2011US20110068839 System employing synchronized crystal oscillator-based clock, to be used in either discrete or integrated applications
03/24/2011US20110068838 Electronic device for power-on-reset
03/24/2011US20110068837 Apparatus and method to tolerate floating input pin for input buffer
03/24/2011US20110068836 Spread-spectrum clock acquisition and tracking
03/24/2011CA2774401A1 Distributed power generation interface
03/23/2011EP2215766B1 Method and device for clock recovery
03/23/2011EP1504596B1 High-resolution image projection
03/23/2011EP1421694B1 Differential charge pump
03/23/2011CN201774515U Automatic frequency lock device of CW (continuous wave) nuclear magnetic resonance system
03/23/2011CN101990742A Device, system, and method of frequency generation using an atomic resonator
03/23/2011CN101989857A Device for generating clock in semiconductor integrated circuit
03/23/2011CN101989848A Clock generating circuit
03/23/2011CN101694917B Mini microwave cavity
03/23/2011CN101431331B Self-calibration method and circuit for phase-locked loop
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