Patents for H03L 7 - Automatic control of frequency or phase; Synchronisation (37,643)
05/2013
05/02/2013US20130106476 Temperature compensation in a pll
05/02/2013US20130106475 Method of operating phase-lock assistant circuitry
05/02/2013US20130106474 Startup and protection circuitry for thin oxide output stage
05/02/2013US20130106473 Power-on reset circuit and method
05/01/2013EP2586152A1 A waveform generator in a multi-chip system
05/01/2013EP2586151A1 Chip interface with synchronization
05/01/2013CN202918271U Clock generation controlling circuit based on logic combination of D trigger and counter
05/01/2013CN103081362A Delta-sigma fractional-N frequency synthesizer with binary-weighted digital-to-analog differentiators for canceling quantization noise
05/01/2013CN103078637A Spread spectrum lock phase ring control circuit
05/01/2013CN103078636A Phase-locked loop system
05/01/2013CN103078635A Embedded oscillation circuit
05/01/2013CN103078634A Method and apparatus of common mode compensation for voltage controlled delay circuits
05/01/2013CN103078633A Single-phase phase-locked loop
05/01/2013CN103078632A Frequency difference control system and method
05/01/2013CN103076554A Phase-locked loop on-chip jitter measurement circuit
05/01/2013CN102394644B Fitting method of cosine signal
05/01/2013CN102332912B Voltage controlled oscillator (VCO) capable of adjusting linearity of gain and two-point modulator based on VCO
05/01/2013CN102055442B Frequency locking method of multi-phase delay lock loop in full frequency width
05/01/2013CN101820282B Low-jitter and wide-bandwidth frequency synthesizer system suitable for low-voltage operation
05/01/2013CN101686055B Frequency synthetic system with self-corrective loop stability and band width
04/2013
04/30/2013US8433027 Digital controller for automatic rate detection and tracking of audio interface clocks
04/30/2013US8433023 Method and apparatus for generating a phase dependent control signal
04/30/2013US8433020 High-speed serial data transceiver and related methods
04/30/2013US8432231 Digital phase-locked loop clock system
04/30/2013US8432230 High accuracy oscillator and an auto-trimming method thereof
04/30/2013US8432206 Delay lock loop system with a self-tracking function and method thereof
04/30/2013US8432204 Current-controlled oscillator (CCO) based PLL
04/30/2013US8432203 System including circuitry for controlling a characteristic of a periodic signal and method for adjusting a signal
04/30/2013US8432202 Digital locked loops and methods with configurable operating parameters
04/30/2013US8432201 Phase-locked loop (PLL) circuit
04/30/2013US8432200 Self-tracking adaptive bandwidth phase-locked loop
04/30/2013US8432199 Fractional digital PLL with analog phase error compensator
04/30/2013US8432198 Injection-locked phase-locked loop with a self-aligned injection window
04/30/2013US8432197 Nonlinear and concurrent digital control for a highly digital phase-locked loop
04/30/2013US8432196 Method and apparatus of resetting mobile device
04/30/2013US8432195 Latch circuits with synchronous data loading and self-timed asynchronous data capture
04/25/2013WO2012167239A3 Apparatus and systems digital phase interpolator with improved linearity
04/25/2013US20130101068 Mixed-Signal Radio Frequency Receiver Implementing Multi-Mode Spur Avoidance
04/25/2013US20130099839 Segmented fractional-n pll
04/25/2013US20130099838 Semiconductor integrated circuit and method for driving the same
04/25/2013US20130099837 Phase mixer and delay locked loop including the same
04/25/2013US20130099836 Gyroscope with phase and duty-cycle locked loop
04/25/2013US20130099835 Calibration apparatus for performing phase detection/edge distance detection upon signals and related calibration method thereof
04/24/2013EP2584706A2 Segmented fractional-N PLL
04/24/2013CN103069718A Frequency divider circuit, pll circuit provided therewith, and semiconductor integrated circuit
04/24/2013CN103067004A Double-bulb type atomic clock
04/24/2013CN103067003A Self-tuning maser cavity
04/24/2013CN103067002A Differential microwave type atomic frequency standard system
04/24/2013CN103067001A Phase synchronous circuit of high-efficiency radio frequency power supply
04/24/2013CN103067000A Servo system model based on quantum system
04/24/2013CN103066999A Phase mixer and delay locked loop including same
04/24/2013CN103066998A Linear frequency sweeping source applied to frequency modulated continuous wave (FMCW) radar
04/24/2013CN103066997A Two-channel seamless digit delay implementation method based on field programmable gate array (FPGA)
04/24/2013CN103066996A Oscillator and self-calibration method thereof
04/24/2013CN103066963A Semiconductor integrated circuit and method of driving the same
04/24/2013CN102361454B System and method for detecting spread spectrum clock signals
04/24/2013CN102307047B Circuit and method for generating clock pulse data reply signal phase locked index
04/24/2013CN102185608B Method for generating stepped frequency signals based on combination of direct digital synthesis (DDS) and ping-pong phase locked loop
04/24/2013CN102045061B Loop bandwidth control device and method of phase locked loop
04/24/2013CN101997545B Frequency synthesizer
04/23/2013US8428210 Apparatus and method for controlling a master/slave system via master device synchronization
04/23/2013US8427457 Display driver and built-in-phase-calibration circuit thereof
04/23/2013US8427244 Oscillation circuit and frequency-correcting oscillation circuit
04/23/2013US8427242 Ultra wideband on-chip pulse generator
04/23/2013US8427211 Clock generation circuit and delay locked loop using the same
04/23/2013US8427210 Charge pump
04/23/2013US8427209 Sampling phase lock loop (PLL) with low power clock buffer
04/23/2013US8427208 Phase interpolator and semiconductor circuit device
04/23/2013US8427205 Method and apparatus for fast frequency locking in a closed loop based frequency synthesizer
04/18/2013WO2013053087A1 Voltage-controlled oscillator device and correction method for voltage-controlled oscillator
04/18/2013US20130094310 Methods and apparatus for synchronizing communication with a memory controller
04/18/2013US20130094272 Device
04/18/2013US20130093525 Circuit and method for correcting temperature dependence of frequency for piezoresistive oscillators
04/18/2013US20130093524 Digitally controlled oscillator device and high frequency signal processing device
04/18/2013US20130093523 Digitally controlled oscillator device and high frequency signal processing device
04/18/2013US20130093522 High accuracy rc oscillator
04/18/2013US20130093484 Delay circuit and method for driving the same
04/18/2013US20130093483 Dual Phase Detector Phase-Locked Loop
04/18/2013US20130093482 Clock and data recovery circuitry with auto-speed negotiation and other possible features
04/18/2013US20130093481 High frequency cmos programmable divider with large divide ratio
04/18/2013US20130093480 Digital phase locked loop
04/18/2013US20130093479 Semiconductor device and radio communication terminal mounting the same
04/18/2013US20130093478 Differentiator based spread spectrum modulator
04/18/2013US20130093477 Systems and methods for generating a high frequency local oscillator signal
04/18/2013US20130093476 Clock distribution circuit
04/18/2013DE112006003551B4 Verfahren, Vorrichtung und System zum zeitlichen entzerren des Empfangstaktes Method, apparatus and system for temporal equalize the receive clock
04/17/2013EP2580863A2 Integrated circuits with dual-edge clocking
04/17/2013CN202889328U Excitation signal drive circuit module
04/17/2013CN202889327U Frequency signal phase adjusting device
04/17/2013CN103051441A FPGA (field programmable gata array)-based clock data recovery processing method
04/17/2013CN103051340A Time-to-digital system and associated frequency synthesizer
04/17/2013CN103051338A Fractional-N phase locked loop
04/17/2013CN103051337A Duty ratio correcting device and related method
04/17/2013CN103051336A Frequency synthesizer and associated method
04/17/2013CN103051335A Frequency synthesizer and associated method
04/17/2013CN103051334A Phase-locked loop for radio frequency identification read-write device
04/17/2013CN103051333A Phase-locked loop with rapid locking function
04/17/2013CN103051332A Semiconductor device, receiver, transmitter, transceiver and communication system
04/17/2013CN103051331A Phase locking circuit for ultrasonic power supply
04/17/2013CN102324931B Charge pump circuit in frequency synthesizer
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