Patents for H03L 7 - Automatic control of frequency or phase; Synchronisation (37,643)
07/2014
07/03/2014US20140184343 Phase lock loop, voltage controlled oscillator of the phase lock loop, and method of operating the voltage controlled oscillator
07/03/2014US20140184342 Systems and methods for frequency synthesis to improve coexistence
07/03/2014US20140184291 Circuit for controlling variation in frequency of clock signal
07/03/2014US20140184290 Translational Phase Lock Loop and Synthesizer That Eliminates Dividers
07/03/2014US20140184289 Method and apparatus for single port modulation using a fractional-n modulator
07/03/2014US20140184288 Semiconductor circuit and method for operating the same
07/03/2014US20140184287 Adjustable pole and zero location for a second order low pass path filter used in a phase lock loop circuit
07/03/2014US20140184285 Start-Up Circuitry
07/03/2014US20140184284 Semiconductor device
07/03/2014US20140184281 System, a method and a computer program product for electronic sub-integer frequency division
07/03/2014US20140184274 Fractional-n frequency synthesizer with low quantization noise
07/02/2014CN203691378U 基于过采样的无需时钟恢复的数据恢复电路 Data based on oversampling clock recovery without recovery circuit
07/02/2014CN103905179A 一种电触发时钟相位动态调整方法及装置 An electrical triggering clock phase method and apparatus for dynamically adjusting
07/02/2014CN103905039A 一种应用于fpga的线性宽范围数控振荡器 Applied to a wide range of linear fpga numerically controlled oscillator
07/02/2014CN103905038A 周期预计算偏斜补偿电路及其fpga片内延迟锁定环方法 Cycle delay locked loop method is expected to be considered within the skew compensation circuit and fpga chip
07/02/2014CN103905037A 一种用于Gm-C滤波器的主从结构频率校准电路 A main Gm-C filter for frequency calibration circuit from the structure
07/02/2014CN103905000A 频率调整的方法及终端设备 The method of frequency adjustment and terminal equipment
07/02/2014CN102468848B 具有校正功能的锁相回路及其校正方法 Phase-locked loop and its correction method correction function
07/02/2014CN102412832B 注入锁定式除频器、相位锁定回路以及集成电路 Injection locking type divider, phase-locked loop and IC
07/02/2014CN102209989B 动态实时延迟表征和配置 Dynamic real-time delay characterization and configuration
07/01/2014US8769330 Dynamic voltage and frequency scaling transition synchronization for embedded systems
07/01/2014US8766729 Apparatus, and associated method, for forming a synthesized oscillating signal
07/01/2014US8766690 Device with automatic de-skew capability
07/01/2014US8766689 Phase-frequency detection method
07/01/2014US8766688 DLL circuit and delay-locked method using the same
07/01/2014US8766687 Semiconductor memory device and operating method thereof
07/01/2014US8766686 Semiconductor device and method for driving the same
07/01/2014US8766685 Phase locked loop circuit and a method in the phase locked loop circuit
07/01/2014US8766684 Charge pump, phase frequency detector and charge pump methods
07/01/2014US8766683 Double output linearized low-noise charge pump with loop filter area reduction
07/01/2014US8766682 Method and device for measuring duration of a time interval
07/01/2014US8766681 Device and method for a multiplexor/demultiplexor reset scheme
07/01/2014US8766680 Voltage translation circuit
07/01/2014US8766679 Power on reset (POR) circuit
07/01/2014US8766678 Semiconductor apparatus and method for controlling the same
07/01/2014US8766677 Signal input circuit/chip
06/2014
06/26/2014WO2014098557A1 A system and method for determining frequency of a signal
06/26/2014US20140177770 Systems and methods for controlling frequency synthesis
06/26/2014US20140176245 Oscillator and self-calibration method thereof
06/26/2014US20140176209 Clock generation circuit and clock generation system using the same
06/26/2014US20140176208 Differential signal skew adjustment method and transmission circuit
06/26/2014US20140176207 Semiconductor apparatus
06/26/2014US20140176206 Delay locked loop and semiconductor apparatus
06/26/2014US20140176205 Signal conversion circuit, pll circuit, delay adjustment circuit, and phase control circuit
06/26/2014US20140176204 Phase locked loop system and working method thereof
06/26/2014US20140176203 Synchronization of nanomechanical oscillators
06/26/2014US20140176089 Phase shift circuit and power factor correction circuit including the same
06/25/2014CN203675095U 介入治疗用超声波能量控制电路 Interventional treatment with ultrasonic energy control circuit
06/25/2014CN1722655B 以时钟与数据恢复为基础的时钟合成 Clock and data recovery clock synthesis based
06/25/2014CN103891148A 电子振荡电路 Electronic oscillator circuit
06/25/2014CN103891147A 用于振荡扰动时域测量的设备及方法 Oscillation apparatus and method for measurement domain perturbation
06/25/2014CN103888139A 直接数字频率合成器 Direct Digital Frequency Synthesizer
06/25/2014CN103888138A 一种输出高精准高频时钟信号的方法及其振荡电路 An output signal of high accuracy method and the high frequency clock oscillator circuit
06/25/2014CN103888137A 一种振荡器和电子终端 An oscillator and electronic terminal
06/25/2014CN103888136A 广播系统芯片的无晶体时钟产生系统 No crystal broadcasting system chip clock generation system
06/25/2014CN103888135A 一种具有降低杂散功能的射频信号源 Having a function of reducing stray RF signal source
06/25/2014CN103888134A 一种低相噪低杂散快捷变频率合成器 A low phase noise low stray quick change frequency synthesizer
06/25/2014CN103888133A 一种锁频的方法及装置 Method and apparatus of a frequency-locked
06/25/2014CN103888132A 一种产生i/q两路正交时钟的电路及方法 A generation i / q two orthogonal clock circuit and method
06/25/2014CN103888131A 一种用于锁相环电路的锁定检测电路 A lock detect circuit for phase-locked loop circuit
06/25/2014CN103888130A 时钟数据恢复电路、数据接收设备及数据传输和接收系统 Clock and data recovery circuit, a data receiving device and data transmission and reception system
06/25/2014CN103887966A 电荷泵的实现电路 Realization of the charge pump circuit
06/25/2014CN103885324A 一种基于全光稳频的光钟及其制作方法 An optical clock and its production method based on all-optical frequency stabilization
06/25/2014CN102769461B 一种提高dds信号源输出可靠性的方法及系统 A method for improving dds signal source output and system reliability
06/25/2014CN102714501B 倍频器和产生倍频信号的方法 Methods multiplier and generate multiplier signal
06/25/2014CN102638261B 低功耗流水线结构的相位累加器 The phase accumulator low-power pipeline structure
06/25/2014CN102611448B 一种原子频标的长期稳定度参数优化的装置 The subject of a long-term frequency stability of an atomic device parameter optimization
06/25/2014CN102113206B 具有时间-数字转换器的电路以及相位测量方法 Circuit and a phase measurement method for a digital converter - a time
06/25/2014CN101753133B 异步采样率转换中的快速追踪和抖动改善的方法 Asynchronous sample rate conversion in fast tracking and jitter improvement
06/25/2014CN101741378B 延迟锁定环电路及其更新方法与该电路中的更新控制装置 Delay locked loop circuit and method for updating the circuit control device updates
06/24/2014US8760577 Clock data recovery circuit and display device
06/24/2014US8760232 Atomic oscillator
06/24/2014US8760204 Variation-tolerant periodic synchronizer
06/24/2014US8760203 OTA based fast lock PLL
06/24/2014US8760202 System for generating clock signal
06/24/2014US8760201 Digitally programmed capacitance multiplication with one charge pump
06/19/2014WO2014093890A1 Multi-frequency clock skew control for inter-chip communication in synchronous digital systems
06/19/2014WO2014090136A1 Charge pump circuit used for charge pump phase-locked loop
06/19/2014US20140167871 Frequency tuning and step control of a digitally controlled oscillator
06/19/2014US20140167826 Semiconductor device having delay line
06/19/2014US20140167825 Multi-frequency clock skew control for inter-chip communication in synchronous digital systems
06/19/2014US20140167820 Phase comparison device and dll circuit
06/18/2014EP2742396A2 Clock sharing between cores on an integrated circuit
06/18/2014CN203661041U 一种手持式超短波跳频电台频率合成器 A handheld VHF radio frequency synthesizer hopping
06/18/2014CN203661040U 一种基于锁相环芯片adf4350的宽带信号发生器 PLL chip adf4350 based broadband signal generator
06/18/2014CN203661039U 多路同步数字移相器 Multi-channel synchronous digital phase shifter
06/18/2014CN203661038U 利用fpga控制自动频率纠偏的参考信号发生器 Fpga control the use of automatic frequency correction reference signal generator
06/18/2014CN203661037U 一种小型化宽带信号发生器 A miniaturized wideband signal generator
06/18/2014CN103873056A Automatic oscillator calibration device and calibration method thereof
06/18/2014CN103873055A Measurement instrument with clock synchronization circuit and clock synchronization method
06/18/2014CN103873054A Clock generator
06/18/2014CN103873053A Lightening induction damped oscillation wave generator for onboard equipment
06/18/2014CN103873052A Value control oscillator and digital phase locked loop
06/18/2014CN103873051A Phase-locked loop locking indication circuit and phase-locked loop
06/18/2014CN103873050A Multiphase phase-locked loop used for clock data recovery
06/18/2014CN103873049A Radio-frequency-signal measurement device and use method thereof
06/18/2014CN103873018A Method for generating harmonic signal and harmonic signal generator
06/18/2014CN102664625B Programmable ECL (emitter coupled logic) device based high-frequency phase shift signal generation circuit
06/18/2014CN102651649B Design method of low-phase-noise microwave wideband frequency combiner
06/18/2014CN102386915B Injection locking frequency divider
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