Patents for H03L 7 - Automatic control of frequency or phase; Synchronisation (37,643)
12/2011
12/28/2011CN102299713A 能够有效跟踪极低信噪比大多普勒频率变化率信号的方法 Low-noise ratio can effectively track large Doppler frequency rate of change of the signal method
12/28/2011CN102299712A 自适应数字混频正交本振信号频率控制字的获取方法 Adaptive digital quadrature mixer LO signal frequency control word acquisition method
12/28/2011CN102299711A 基于充电泵的频率调变器 Based on the charge pump frequency modulator
12/28/2011CN102299710A 具有改进相位检测机制的锁相环 Phase-locked loop has improved phase detection mechanism
12/28/2011CN102299709A 一种基于时间数字转换的高精度脉宽比较装置 A high-precision time-based pulse width comparing means to digital conversion
12/28/2011CN102299708A 校准采样相位的方法及其装置 Method and apparatus for calibrating sampling phase
12/28/2011CN102299707A 一种带有正交相位误差校准的二分频器 Second divider with a quadrature phase error of calibration
12/28/2011CN102299706A 压控振荡器频率温度补偿系统及锁定锁相回路频率的方法 The VCO frequency temperature compensation system and method for locking phase-locked loop frequency
12/28/2011CN101807914B 采用键合线作为振荡器电感的频率自校正锁相环 Using bond wire inductance as the oscillator frequency self-tuning phase-locked loop
12/28/2011CN101789785B 全集成锁相环频率综合器 Fully integrated PLL frequency synthesizer
12/28/2011CN101621296B 一种高速dac的同步方法及装置 Synchronization method and apparatus for a high-speed dac
12/28/2011CN101542586B 图像显示装置及其频率调整方法 Apparatus and method of frequency adjustment of the image display
12/28/2011CN101242183B 一种获取振荡器的控制信号的方法、装置和一种锁相环 A gain control signal oscillator method, apparatus and a phase-locked loop
12/27/2011US8085257 Negative step-up charge pump circuit, LCD driver IC, and liquid crystal display device
12/27/2011US8085099 Self-calibrating relaxation oscillator based clock source
12/27/2011US8085098 PLL circuit
12/27/2011US8085097 Integrated ramp, sweep fractional frequency synthesizer on an integrated circuit chip
12/27/2011US8085087 Switched capacitor circuit capable of minimizing clock feedthrough effect and having low phase noise and method thereof
12/27/2011US8085075 Method and system for diagnostic imaging using a digital phase locked loop
12/27/2011US8085074 Fast-locking delay locked loop
12/27/2011US8085073 Phase synchronization apparatus
12/27/2011US8085072 Semiconductor integrated circuit having delay locked loop circuit
12/27/2011US8085071 Phase-locked loop circuit and delay-locked loop circuit
12/27/2011US8085070 Overclocking with phase selection
12/27/2011US8085069 Starting apparatus and starting method
12/22/2011US20110310998 Systems and methods for performing parallel digital phase-locked-loop
12/22/2011US20110310942 Highly flexible fractional n frequency synthesizer
12/22/2011US20110310682 Delay-locked loop having loop bandwidth dependency on operating frequency
12/22/2011US20110310296 Method for recovering pixel clocks based on internal display port interface and display device using the same
12/22/2011US20110309889 Variable-capacitance device
12/22/2011US20110309867 Phase locked loop
12/22/2011US20110309866 Delay-locked loop having a loop bandwidth dependency on phase error
12/22/2011US20110309865 Parallel synchronizing cell with improved mean time between failures
12/21/2011EP2396888A1 Frequency synthesizer with multiple tuning loops
12/21/2011EP2396887A1 Integrated circuit comprising frequency generation circuitry for controlling a frequency source
12/21/2011EP1779517B1 Digital frequency locked delay line
12/21/2011EP1479159B1 Digital phase locked loop
12/21/2011CN102292913A 用于检测和校正并串联电路中的错误的方法和设备 Methods and apparatus for detecting and correcting errors and a series circuit of
12/21/2011CN102291136A 一种铷原子频标及其频率绝对值修正电路 One kind of rubidium atomic frequency standards and frequency of the absolute value correction circuit
12/21/2011CN102291135A 原子振荡器 Atomic oscillator
12/21/2011CN102291134A 一种用于原子频标的环路响应时间测量装置及方法 An atomic frequency standard loop response time measurement device and method
12/21/2011CN102291133A 多模分频器 Multi-modulus divider
12/21/2011CN102291132A 一种基于电流模逻辑的高速大摆幅除二分频器电路 Based on the high-speed current-mode logic except two big swings divider circuit
12/21/2011CN102291131A 频率合成器 Frequency synthesizer
12/21/2011CN102291130A 一种锁定精度和锁定频率均可编程的锁定检测电路 A locking and locking the frequency accuracy can lock detection circuit programming
12/21/2011CN102291129A 一种用于抑制vco电压纹波的锁相环电路 A method for inhibiting vco PLL voltage ripple
12/21/2011CN102291128A Charge pump and low-pass filter component with anti-single particle radiation circuit
12/21/2011CN102291127A 全差分复位延时可调鉴频鉴相器 Fully differential reset delay is adjustable Phase frequency detector
12/21/2011CN102291126A 对来自相位控制环路中的相位检测器的低频噪声的抑制 From the phase control loop for suppressing the phase noise of the low-frequency detector
12/21/2011CN102291125A 自动校准分数型锁相回路的快速锁相系统 Quick lock system automatically calibrates fractional phase-locked loop
12/21/2011CN102291124A 低相位噪声源 Low phase noise source
12/21/2011CN102291123A 延迟锁相回路、回路滤波器及延迟锁相回路的锁相的方法 Delay locked loop, loop filter and delay lock loop lock method
12/21/2011CN102291122A 一种控制晶振输出时钟的方法及装置 Method and apparatus for controlling the output clock oscillator
12/21/2011CN102289246A 用于延迟锁定环和锁相环的方法和装置 Method and apparatus for delay-locked loop and phase-locked loop for
12/21/2011CN101573870B Pll老化电路以及半导体集成电路 Pll aging circuit and semiconductor integrated circuit
12/21/2011CN101557213B 延迟单元、环形振荡器及pll电路 A delay unit, and a ring oscillator circuit pll
12/21/2011CN101330288B 一种高速可编程分频器及分频器集成电路 A high-speed programmable divider and divider IC
12/21/2011CN101188419B 锁相环电路,相移方法,及集成电路芯片 Phase locked loop circuit, the phase shift method, and an integrated circuit chip
12/21/2011CN101176259B Pll电路及其设计方法 Pll circuit and design method
12/20/2011US8081036 Electronic device used for measuring and detecting the variations of at least one input signal
12/20/2011US8081034 Frequency synthesizer for integrated circuit radios
12/20/2011US8081021 Delay locked loop
12/20/2011US8081020 Delay-lock loop and method adapting itself to operate over a wide frequency range
12/15/2011WO2011156771A2 Integrated circuits with dual-edge clocking
12/15/2011WO2011156622A1 Methods and apparatus for a gray-coded phase rotating frequency divider
12/15/2011WO2011153776A1 Phase locked loop, voltage control device and voltage control method
12/15/2011US20110307722 Reducing power consumption in clock and data recovery systems
12/15/2011US20110305171 Transmission circuit and transmission method
12/15/2011US20110304402 Device and method for locking and calibrating frequency
12/15/2011US20110304369 Method for source synchronous high-speed signal synchronization
12/15/2011US20110304368 Wideband phase modulator
12/15/2011US20110304367 Apparatus and method for frequency calibration in frequency synthesizer
12/15/2011US20110304366 Pll circuit
12/15/2011US20110304365 Fast phase locking system for automatically calibrated fractional-n pll
12/15/2011US20110304364 Device For Removing Electromagnetic Interference And Semiconductor Package Including The Same
12/15/2011CA2743182A1 Power generating system
12/14/2011EP2395670A1 Emission suppression for wireless communication devices
12/14/2011EP2395666A1 Circuit, control system, control method, and computer-readable recording medium in which program is recorded
12/14/2011EP2395665A1 Device and method for locking and calibrating frequency
12/14/2011EP2394365A1 Periodic timing jitter reduction in oscillatory systems
12/14/2011CN102282767A 包括用于控制频率源的频率生成电路的集成电路 Comprises an integrated circuit for controlling the frequency source frequency generating circuit
12/14/2011CN102281217A 用于无线通信装置的发射抑制 Transmitting means for wireless communication inhibiting
12/14/2011CN102281066A 用于双通道多模射频接收机的频率综合器 Dual Frequency Synthesizer for multi-mode RF receiver
12/14/2011CN102281065A 频率合成器的频率校正装置及其方法 Frequency synthesizer frequency correction apparatus and method thereof
12/14/2011CN102281064A 单击电路、发射器及节省发射器启动时间的方法 Click the circuit, the transmitter and the start-up time saving method of the transmitter
12/14/2011CN102281063A 调整频率的方法以及装置 Frequency adjustment method and apparatus
12/14/2011CN102281062A 一种输出时钟信号的方法和设备 An output method and apparatus for clock signals
12/14/2011CN102281061A 基于相位调谐技术调谐lc振荡器频率的方法和电路 Based on the phase tuning method and circuit technology oscillator frequency tuning lc
12/14/2011CN102281060A 一种应用于时钟数据恢复的鉴相器电路 Applied to clock data recovery phase detector circuit
12/14/2011CN102281059A 用于在分数-n型锁相环中量化降噪的方法和设备 Method and apparatus for quantization noise in the phase-locked loop fractional -n
12/14/2011CN102281058A 确定锁相环pll带宽特性的方法、装置和系统 Determining the phase locked loop bandwidth characteristics pll method, apparatus and system for
12/14/2011CN102279530A 基于双相锁相放大原理的检焦装置的检焦方法 Coke inspection method based on the principle of two-phase lock-in amplifier device detection coke
12/14/2011CN101846965B 灯泵铷气体激光抽运铷泡输出标准频率的方法及铷原子钟 Lamp-pumped rubidium gas laser pumped rubidium frequency standard bulb output method and rubidium atomic clock
12/14/2011CN101189815B 使输出器和激励器时钟同步的方法和设备 Exciter output and clock synchronization method and apparatus
12/13/2011US8076979 Lock detection circuit for phase locked loop
12/13/2011US8076978 Circuit with noise shaper
12/13/2011US8076977 Device having digitally controlled oscillator
12/13/2011US8076963 Delay-locked loop having a delay independent of input signal duty cycle variation
12/13/2011US8076962 Frequency synthesis system with self-calibrated loop stability and bandwidth
12/13/2011US8076961 Monitoring apparatus and computer-readable storage medium
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