Patents for H03L 7 - Automatic control of frequency or phase; Synchronisation (37,643)
10/2008
10/15/2008CN101286739A Circuit and method for controlling mixed mode controlled oscillator and cdr circuit using the same
10/15/2008CN100426674C Fast locking method and apparatus and frequency synthesizer
10/14/2008US7437393 Signal processing apparatus, non-integer divider, and fractional N-PLL synthesizer using the same
10/14/2008US7437137 Mixer system
10/14/2008US7436265 Clock generator and clock generating method using delay locked loop
10/14/2008US7436264 Charge supply apparatus and method in frequency synthesizer
10/14/2008US7436263 Apparatus and method for presenting a modulated output signal at an output locus
10/14/2008US7436231 Low power and low timing jitter phase-lock loop and method
10/14/2008US7436230 Delay locked loop with improved jitter and clock delay compensating method thereof
10/14/2008US7436229 Methods and apparatus for minimizing jitter in a clock synthesis circuit that uses feedback interpolation
10/14/2008US7436228 Variable-bandwidth loop filter methods and apparatus
10/14/2008US7436227 Dual loop architecture useful for a programmable clock source and clock multiplier applications
10/14/2008US7436226 Power-up detection circuit that operates stably regardless of variations in process, voltage, and temperature, and semiconductor device thereof
10/09/2008WO2008121521A1 Phase noise compensated voltage controlled oscillator
10/09/2008WO2008119275A1 Failure monitoring method and device for virtual leased line
10/09/2008WO2008064030A3 Method for providing a power on reset signal with a logarithmic current compared to a quadratic current
10/09/2008US20080250460 Receiver architectures utilizing coarse analog tuning and associated methods
10/09/2008US20080248771 Calibration techniques for frequency synthesizers
10/09/2008US20080246546 Phase-Locked-Loop Circuit Having a Pre-Calibration Function and Method of Pre-Calibrating the Same
10/09/2008US20080246545 Digital phase and frequency detector
10/09/2008US20080246522 Phase locked loop and method for adjusting the frequency and phase in the phase locked loop
10/09/2008US20080246521 Multiple reference frequency fractional-n pll (phase locked loop)
10/09/2008US20080246520 Delay-locked loop (dll) system for determining forward clock path delay
10/09/2008US20080246519 Gate drive circuit
10/09/2008US20080246509 Power-on-reset circuitry
10/09/2008DE102007016642A1 Phasenregelkreis und Verfahren zum Betrieb eines elektromechanischen Systems Phase-locked loop and method of operation of an electromechanical system
10/08/2008EP1978639A1 Phase comparison circuit and pll synthesizer using the same
10/08/2008EP1977520A1 Apparatus and method for processing oscillation signals in wireless communication system based tdd
10/08/2008EP1977519A2 A current-mode gain-splitting dual-path vco
10/08/2008EP1977518A1 Frequency generation circuit
10/08/2008EP1751870B1 Wide range clock generator
10/08/2008CN201130924Y 鉴相器 The phase detector
10/08/2008CN101282116A Phase frequency detectors generating minimum pulse widths
10/08/2008CN100424992C Cascaded delay locked loop circuit
10/07/2008US7432773 Method, system and apparatus for reducing oscillator frequency spiking during oscillator frequency adjustment
10/07/2008US7432769 Oscillator circuit
10/07/2008US7432768 Voltage controlled digital analog oscillator and frequency synthesizer using the same
10/07/2008US7432751 High performance signal generation
10/07/2008US7432750 Methods and apparatus for frequency synthesis with feedback interpolation
10/07/2008US7432749 Circuit and method for improving frequency range in a phase locked loop
10/07/2008US7432748 Sequence-independent power-on reset for multi-voltage circuits
10/07/2008US7432516 Rapid cycling medical synchrotron and beam delivery system
10/07/2008US7431728 Ultrasound medical devices, systems and methods
10/02/2008WO2008118821A1 Power-saving clocking technique
10/02/2008WO2008116517A1 Method for generating a clock frequency
10/02/2008US20080240298 Method and/or apparatus for stabilizing the frequency of digitally synthesized waveforms
10/02/2008US20080239845 Semiconductor memory device and method for driving the same
10/02/2008US20080238847 Image display unit
10/02/2008US20080238566 High frequency oscillator circuit with feedback circuit of fet and short-stub transmission line
10/02/2008US20080238565 Oscillator circuit with transition detection enable
10/02/2008US20080238512 Circuit and method for data alignment
10/02/2008US20080238508 Input Clock Detection Circuit for Powering Down a PLL-Based System
10/02/2008US20080238507 Semiconductor memory device
10/02/2008US20080238506 Semiconductor memory device using modulation clock signal and method for operating the same
10/02/2008US20080238505 System and method for an automatic coarse tuning of a voltage controlled oscillator in a phase-locked loop (PLL)
10/02/2008US20080238504 Phase locked loop
10/02/2008US20080238503 Injection locked LC VCO clock deskewing
10/02/2008US20080238502 Delay cell and phase locked loop using the same
10/02/2008US20080238501 Initialization signal generating circuit
10/02/2008US20080238499 Customizable power-on reset circuit based on critical circuit counterparts
10/02/2008US20080238498 Clock generator, method for generating clock signal and fractional phase lock loop thereof
10/02/2008US20080238489 Fast Phase-Frequency Detector Arrangement
10/02/2008DE112006003446T5 Oszillationsschaltung, Prüfvorrichtung und elektronische Vorrichtung Oscillation circuit tester and electronic device
10/02/2008DE112006002884T5 Verzögerungsregelkreisschaltung, Timing-Generator, Halbleitertestgerät, integrierte Halbleiterschaltung und Verzögerungsbetrieg-Kalibrierungsverfahren Delay locked loop circuit, timing generator, semiconductor test equipment, semiconductor integrated circuit and Verzögerungsbetrieg calibration method
10/01/2008EP1976126A1 Vco driving circuit and frequency synthesizer
10/01/2008CN101278486A RF synthesizer and RF transmitter or receiver incorporating the synthesizer
10/01/2008CN101278483A Power supply noise suppressing in a PLL-frequency synthesizer
10/01/2008CN101278482A Voltage controlled delay line (VCDL) having embedded multiplexer and interpolation functions
10/01/2008CN101277178A Jitter-tolerance-enhanced cdr using a gdco-based phase detector
10/01/2008CN101277110A Clock generator method for generating clock signal and fractional phase lock loop thereof
10/01/2008CN101277104A Improved time delay circuit and time to digital converter
10/01/2008CN101276002A High temperature monolithic phase programmable direct numerical frequency synthetic source
09/2008
09/30/2008US7430680 System and method to align clock signals
09/30/2008US7430265 Circuit arrangement provided with a phase-locked loop and transmitter-receiver with said circuit arrangement
09/30/2008US7430239 Bit-detection arrangement and apparatus for reproducing information
09/30/2008US7429898 Clock signal generating circuit, semiconductor integrated circuit and method for controlling a frequency division ratio
09/30/2008US7429895 Systems and methods for drift compensation in a control circuit
09/25/2008WO2008115819A1 Digital pulse frequency/pulse amplitude (dpfm/dpam) controller for low-power switching-power supplies
09/25/2008WO2008114383A1 Voltage controlled oscillator and synthesizer circuit
09/25/2008WO2008114313A1 Pll frequency synthesizer
09/25/2008WO2008114205A2 Fast powering-up of data communication system
09/25/2008WO2008113668A1 High frequency solid state heating generator with high reliability
09/25/2008US20080232179 Circuit, system and method for controlling read latency
09/25/2008US20080232178 Apparatus and method for controlling delay of signal
09/25/2008US20080231749 Image data processing apparatus
09/25/2008US20080231381 Method and system for gennerating noise in a frequency synthesizer
09/25/2008US20080231376 Oscillation circuit controlling phase difference of output signals
09/25/2008US20080231375 Method and system for using a frequency locked loop logen in oscillator systems
09/25/2008US20080231346 Charge pump circuit with dynamic curent biasing for phase locked loop
09/25/2008US20080231334 Clock signal transmission circuit
09/25/2008US20080231333 Spread Spectrum Clock Generator
09/25/2008US20080231332 Clock Signal Generation Device, Semiconductor Integrated Circuit, and Data Reproduction Method
09/25/2008US20080231331 Spread spectrum clock generator
09/25/2008US20080231329 Differential signal output circuit for timing controller of display device
09/25/2008US20080231324 Phase frequency detector and phase-locked loop
09/25/2008CA2680389A1 Device for receiving satellite signals including a phase loop with delay compensation
09/24/2008EP1972060A1 Apparatus for phase synchronisation according to the master/slave principle
09/24/2008EP1972059A1 Configurable multi-modulus frequency divider for multi-mode mobile communication devices
09/24/2008EP1972058A1 Serial data communication system and method
09/24/2008EP1847020B1 Pll synthesiser provided with an improved vco pre-setting