H03L 7 - Automatic control of frequency or phase; Synchronisation

Patents for H03L 7 - Automatic control of frequency or phase; Synchronisation (37,643)
10/2011
10/12/2011	CN102217197A Duty cycle adjustment for a local oscillator signal
10/12/2011	CN101359909B Flexible waveform generator with extended range capability
10/12/2011	CN101252356B Fractional frequency divider pll device and control method thereof
10/11/2011	US8037372 Apparatus and method for testing setup/hold time
10/11/2011	US8037336 Spread spectrum clock generation
10/11/2011	US8036614 Replica DLL for phase resetting
10/11/2011	US8035453 Techniques relating to oscillators
10/11/2011	US8035452 Structure for transforming an input voltage to obtain linearity between input and output functions and system and method thereof
10/11/2011	US8035451 On-the-fly frequency switching while maintaining phase and frequency lock
10/11/2011	US8035435 Divided clock synchronization
10/11/2011	US8035434 Simplified bias circuitry for differential buffer stage with symmetric loads
10/11/2011	US8035433 Process insensitive delay line
10/11/2011	US8035432 DLL circuit and control method thereof
10/11/2011	US8035431 Delay locked loop and delay locking method having burst tracking scheme
10/11/2011	US8035430 Signal generator with output frequency greater than the oscillator frequency
10/11/2011	US8035429 Semiconductor device and driving method thereof
10/11/2011	US8035428 Power-up circuit for semiconductor memory device
10/11/2011	US8035427 Signal generating apparatus capable of measuring trip point of power-up signal and method of measuring trip point of power-up signal using the same
10/11/2011	US8035426 Power-on-reset generator using a voltage-shaping inverter chain
10/11/2011	US8035162 System and method for ESD protection
10/11/2011	CA2514111C Method for storing and transmitting data generated by a security module
10/06/2011	WO2011090767A3 Phase detection circuits and methods
10/06/2011	WO2011053111A3 A read-out interface circuit (roic)
10/06/2011	US20110242915 Method and apparatus for reducing oscillation in synchronous circuits
10/06/2011	US20110241786 System and Method for Improved Start-Up of Self-Oscillating Electro-Mechanical Surgical Devices
10/06/2011	US20110241785 Reference signal oscillator
10/06/2011	US20110241784 Self-Calibrating Relaxation Oscillator Based Clock Source
10/06/2011	US20110241743 Apparatus and method for synchronizing timing clock between transmission signal and reception signal
10/06/2011	US20110241742 Data output control circuit
10/06/2011	US20110241741 System and method to control a power on reset signal
10/06/2011	US20110241740 Device, device base, and system for data sending and receiving processing
10/05/2011	EP2371065A2 Adaptive cartesian loop transmitter for broadband and optimal loop stability adjustment
10/05/2011	EP2371064A1 Duty cycle adjustment for a local oscillator signal
10/05/2011	EP0983659B1 Clock recovery circuit and a receiver having a clock recovery circuit
10/05/2011	CN202004749U Wireless receiver module circuit
10/05/2011	CN202004746U High-speed DDS signal generator based on FPGA
10/05/2011	CN202004731U Digital phase lock amplifying experimental device
10/05/2011	CN102210103A Frequency translation using sigma-delta modulator controlled frequency divide
10/05/2011	CN102210102A Techniques for minimizing control voltage ripple due to charge pump leakage in phase locked loop circuits
10/05/2011	CN102210101A High speed pll clock multiplier
10/05/2011	CN102209989A Dynamic real-time delay characterization and configuration
10/05/2011	CN102209940A Noise shaping time to digital converter
10/05/2011	CN102208911A Window clock generation and dynamic configuration method based on phase-locked loop in FPGA (Field Programmable Gate Array) sheet
10/05/2011	CN101675396B 多相位时钟系统 Multi-phase clock system
10/05/2011	CN101640533B Rapid locking method for full digital phase-locked loop
10/05/2011	CN101635570B Numerical control oscillator capable of shutting down
10/05/2011	CN101309079B Charge pump construction for phase lock loop circuit
10/05/2011	CN101257302B Frequency adjusting method of oscillator and decimal fraction frequency dividing phase-locked loop frequency synthesizer
10/04/2011	US8032778 Clock distribution apparatus, systems, and methods
10/04/2011	US8031027 Voltage-controlled oscillator, phase-locked loop (PLL) circuit, and clock generator
10/04/2011	US8031025 Mixed-mode PLL
10/04/2011	US8031015 Phase-locked loop circuit
10/04/2011	US8031010 Ruggedized chip scale atomic clock
10/04/2011	US8031009 Frequency calibration loop circuit
10/04/2011	US8031008 PLL with loop bandwidth calibration circuit
10/04/2011	US8031007 Error protection method, TDC module, CTDC module, all-digital phase-locked loop, and calibration method thereof
10/04/2011	US8030980 Simplified, extendable, edge-based watchdog for DLL
10/04/2011	US8030979 Circuit for generating reference voltage
10/04/2011	US8030977 Clock generating circuit
10/04/2011	US8030904 Oscillator circuit
10/04/2011	CA2381094C Rational frequency synthesizers
09/2011
09/29/2011	WO2011119369A2 Integrated circuits with configurable inductors
09/29/2011	WO2011119022A1 Transceiver comprising sub-sampled frequency-locked loop
09/29/2011	WO2011116822A1 A phase detector
09/29/2011	US20110234327 Local oscillator and phase adjusting method for the same
09/29/2011	US20110234326 Digitally controlled oscillator and oscillation method for the same
09/29/2011	US20110234324 System and method for reducing lock time in a phase-locked loop
09/29/2011	US20110234281 Dll circuit and method of controlling the same
09/29/2011	US20110234280 Clock signal delay circuit for a locked loop circuit
09/29/2011	US20110234279 Variable unit delay circuit and clock generation circuit for semiconductor apparatus using the same
09/29/2011	US20110234278 Semiconductor device and method for operating the same
09/29/2011	US20110234277 Apparatus and method to compensate for injection locking
09/29/2011	US20110234276 Voltage-current converter circuit and pll circuit having the same
09/29/2011	US20110234275 Pll circuit
09/29/2011	US20110234274 Semiconductor device
09/29/2011	US20110234273 Method and apparatus for charge leakage compensation for charge pump
09/29/2011	US20110234272 Method and apparatus for charge pump linearization in fractional-n plls
09/29/2011	US20110234271 High resolution clock signal generator
09/29/2011	US20110234270 Local oscillator and phase adjusting method for the same
09/29/2011	US20110234269 Method and apparatus for quantization noise reduction in fractional-n plls
09/29/2011	US20110234268 Apparatus and Method for Host Power-On Reset Control
09/29/2011	US20110234267 Semiconductor device and method for controlling flip-flop
09/29/2011	US20110234137 System clock monitoring apparatus and motor control system
09/28/2011	EP2369745A1 Method and apparatus for quantization noise reduction in fractional-N PLLS
09/28/2011	CN1815892B Circuit for detecting phase-error and generating control signal
09/28/2011	CN1777035B Oscillator, integrated circuit, and communication apparatus
09/28/2011	CN1771664B Device for detecting the temperature of an oscillator crystal
09/28/2011	CN1720664B Phase-locked loop comprising a sigma-delta modulator
09/28/2011	CN102201811A Method and device for reducing microwave power frequency shift of atomic frequency standard
09/28/2011	CN102201810A Device and method for controlling clock recovery
09/28/2011	CN101751357B Digital phase-locked loop device
09/28/2011	CN101582694B Generating method, device and signal generating device of frequency control word
09/28/2011	CN101515803B Charge pump-based frequency modulator
09/28/2011	CN101494458B Clock generation device with phase interpolation and related method
09/28/2011	CN101395840B Transmitter and transmitter/receiver
09/28/2011	CN101079632B Low-jitter spread spectrum clocking generator
09/28/2011	CN101013894B Phase locked loop with wide frequency-locking range and operational method thereof
09/27/2011	US8026769 Frequency-locked clock generator
09/27/2011	US8026768 201Hg+ co-magnetometer for 199Hg+ trapped ion space atomic clocks
09/27/2011	US8026750 Delay locked loop circuit and method

1 ... 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 ... 377