Patents for H03L 7 - Automatic control of frequency or phase; Synchronisation (37,643)
02/2012
02/22/2012EP2421154A2 Switch assembly for generating high frequency output signals comprising a broadband frequency ramp
02/22/2012CN202150850U 利用gnss秒脉冲快速修正的频率合成装置 Using a frequency synthesizer device gnss second pulse rapid correction
02/22/2012CN1708896B 环形几何振荡器 Annular geometry oscillator
02/22/2012CN102362462A Receiving unit, station side device, and frequency correction method in clock data reproduction circuit
02/22/2012CN102362434A Phase-locked loop
02/22/2012CN102362158A Pulsed radar level gauge system and method for energy efficient filling level determination
02/22/2012CN102361456A Clock phase alignment and adjustment circuit
02/22/2012CN102361455A Dividing-two frequency divider used for local oscillator generation circuit
02/22/2012CN102361454A System and method for detecting spread spectrum clock signals
02/22/2012CN102361453A High-speed duty ratio adjustment and double-end-to-single-end circuit for phase-locked loop
02/22/2012CN102361452A Multi-channel frequency division signal rapid detection device and control method thereof
02/22/2012CN102361445A High-accuracy protocol pulse generator based on digital frequency synthesizer
02/22/2012CN101582692B 一种提高数字锁相环性能的方法 A way to improve the performance of digital phase-locked loop method
02/22/2012CN101263653B 模拟变容二极管 Analog varactor
02/21/2012USRE43201 DLL circuit and camcorder using DLL circuit
02/21/2012US8122395 On chip timing adjustment in multi-channel fast data transfer
02/21/2012US8121558 Local oscillator generator architecture using a wide tuning range oscillator
02/21/2012US8120713 Television apparatus
02/21/2012US8120432 System and method for selecting optimum local oscillator discipline source
02/21/2012US8120431 Variable loop bandwidth phase locked loop
02/21/2012US8120430 Stable VCO operation in absence of clock signal
02/21/2012US8120429 Voltage-controlled oscillator methods and apparatus
02/21/2012US8120400 Phase locked loop circuit
02/21/2012US8120399 Locked loop circuit with clock hold function
02/21/2012US8120398 Delay locked loop circuit
02/21/2012US8120397 Delay locked loop apparatus
02/21/2012US8120396 Delay locked loop circuit
02/21/2012US8120395 Use of data decisions for temporal placement of samplers
02/21/2012US8120394 Automatic frequency calibration circuit and automatic frequency calibration method
02/21/2012US8120393 Semiconductor memory apparatus
02/21/2012US8120389 Digital to frequency synthesis using flying-adder with dithered command input
02/16/2012WO2012021511A2 High-speed frequency divider and phase locked loop using same
02/16/2012WO2012020501A1 Digitally controlled oscillator and digital pll having same
02/16/2012WO2011152881A3 Dynamic voltage-controlled oscillator calibration and selection
02/16/2012US20120040627 Phase-locked circuit and radio communicating device
02/16/2012US20120039413 Multiple Gigahertz Clock-Data Alignment
02/16/2012US20120039366 True time delay phase array radar using rotary clocks and electronic delay lines
02/16/2012US20120038426 Pll frequency synthesizer, wireless communication apparatus and pll frequency synthesizer controlling method
02/16/2012US20120038425 Voltage controlled oscillator
02/16/2012US20120038403 Semiconductor circuit and method of retrieving signal to semiconductor circuit
02/16/2012US20120038402 Clock generation circuit and electronic apparatus
02/16/2012US20120038401 Method of compensating an oscillation frequency and pll
02/16/2012US20120038400 Method and apparatus for jitter reduction
02/16/2012US20120038399 Electronic apparatus and control method of the same
02/16/2012US20120038398 Methods and apparatuses for clock domain crossing
02/16/2012US20120038397 Method and apparatus of resetting mobile device
02/16/2012US20120038396 Injection locked frequency divider and pll circuit
02/16/2012DE102011104527A1 Synchronisation zwischen Vorrichtungen Synchronization between devices
02/16/2012DE102005060944B4 Abstimmschaltung zu einer Frequenzabstimmung, Verwendung der Abstimmschaltung und Verfahren zur Frequenzabstimmung Tuning to a frequency tuning, use the tuning circuit and method for frequency tuning
02/16/2012DE10122481B4 Schaltung zur wahlweisen Erzeugung eines Ausgangssignals aus einem von mehreren Taktsignalen Circuitry for selectively generating an output signal from one of a plurality of clock signals
02/15/2012EP2417704A1 Fractional-n frequency synthesizer having reduced fractional switching noise
02/15/2012EP1897221B1 Phase-locked loop systems using adaptive low-pass filters in switched bandwidth feedback loops
02/15/2012CN102356551A Transformer-based cmos oscillators
02/15/2012CN102356550A Phase discriminator realizing circuit and phase discriminator clock generating method
02/15/2012CN102356547A Injection-locked frequency divider and pll circuit
02/15/2012CN102355260A Current-reuse frequency-halving circuit
02/15/2012CN102355259A Integrated circuits with frequency generating circuits
02/15/2012CN102355258A Low-phase noise quadrature voltage-controlled oscillator based on injection locked frequency multiplier
02/15/2012CN102355257A Digital signal generator
02/15/2012CN102355256A Multi-path frequency generation device
02/15/2012CN102355234A Division circuit, division device, and electronic apparatus
02/15/2012CN101673238B 程序跟踪器以及程序跟踪方法 Tracker program and program tracking method
02/15/2012CN101657062B 折叠式双光束磁光阱系统 Foldable dual-beam MOT system
02/14/2012US8116321 System and method for routing asynchronous signals
02/14/2012US8115868 Data recovery device and data recovery method for television signals
02/14/2012US8115559 Oscillator for providing a constant oscillation signal, and a signal processing device including the oscillator
02/14/2012US8115558 Digital PLL circuit and semiconductor integrated circuit
02/14/2012US8115557 Variable inductance circuitry for frequency control of a voltage countrolled oscillator
02/14/2012US8115556 Resonant device with improved features
02/14/2012US8115528 Method and apparatus for output data synchronization with system clock
02/14/2012US8115527 PLL apparatus
02/14/2012US8115526 PLL oscillator circuit
02/14/2012US8115525 Frequency synthesizer
02/14/2012US8115524 Semiconductor device having auto clock alignment training mode circuit
02/09/2012WO2012017572A1 Oscillator
02/09/2012US20120032824 Successive approximation register analog-to-digital converter, and operating clock adjustment method therefor
02/09/2012US20120032723 System and method for signal limiting
02/09/2012US20120032718 Digital Phase Lock System with Dithering Pulse-Width-Modulation Controller
02/09/2012US20120032717 Power-on reset circuit
02/09/2012US20120032716 Initializing Components of an Integrated Circuit
02/09/2012US20120032715 High-speed frequency divider and a phase locked loop that uses the high-speed frequency divider
02/09/2012US20120032652 Circuit for generating a clock signal for interleaved pfc stages and method thereof
02/08/2012EP2415171A1 Techniques for non-overlapping clock generation
02/08/2012CN202143071U Frequency conversion module of digital fiber repeater access terminal
02/08/2012CN1909373B 产生扩频及/或超频时钟的方法及其电路 The method generates the spread and / or overclocking clock and circuit
02/08/2012CN1864333B 相位切换双模除频器及包括该除频器的频率合成器 Dual-phase switching frequency divider and include the addition to the frequency of the frequency synthesizer
02/08/2012CN1823473B 用于延迟锁定环的启动电路 Start-up circuit for delay locked loop
02/08/2012CN1808907B 一种锁相环及其方法和一种相频检测器及其方法 One kind of phase-locked loop and method and a phase-frequency detector and method
02/08/2012CN1732623B 模拟/数字延迟锁定环 Analog / digital delay locked loop
02/08/2012CN102347766A Novel infrared audio transmission transceiving system controlled by phase-locked loop
02/08/2012CN102347765A Clock and data recovery system, phase adjustment method and phase discriminator
02/08/2012CN102347764A Stepped-frequency signal generation method based on combination of DDS (Direct Digital Synthesis) and ping-pong type phase-locked loop
02/08/2012CN102347763A Calibrating apparatus, calibrating method and clock forming apparatus
02/08/2012CN102347762A Locking detection circuit of phase-locked loop circuit
02/08/2012CN102347761A Dynamic delay, and phase-frequency detector (PFD) and phase lock loop adopting same
02/08/2012CN102347760A Charge pump and phase locked loop using charge pump
02/08/2012CN102347759A Self-aligning delay phase locking loop system and method thereof
02/08/2012CN101814916B 一种锁相环 One kind of phase-locked loop
02/07/2012US8111107 Charge pump control scheme
02/07/2012US8111106 Switched phase and frequency detector based DPLL circuit with excellent wander and jitter performance and fast frequency acquisition
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