Patents
Sitemap › H03 - Basic electronic circuitry › H03L - Automatic control, starting, synchronisation, or stabilisation of generators of electronic oscillations or pulses › H03L 7 - Automatic control of frequency or phase; Synchronisation
Patents for H03L 7 - Automatic control of frequency or phase; Synchronisation (37,643)
11/2009
11/26/2009US20090289672 Method of processing signal data with corrected clock phase offset
11/26/2009US20090289667 Clock Generation Using a Fractional Phase Detector
11/26/2009US20090289666 Direct digital synthesis frequency synthesizer and associated methods
11/26/2009DE112008000102T5 Steuerung der Amplitude bei einem spannungsgesteuerten Oszillator Controlling the amplitude in a voltage controlled oscillator
11/26/2009DE102004016120B4 Automatisches Frequenzregelsystem und Frequenzregelverfahren Automatic frequency control system and frequency control method
11/25/2009EP2124342A1 Pll frequency synthesizer
11/25/2009EP2122830A2 A clock circuit
11/25/2009CN101588178A Self-biased phase-locked loop
11/25/2009CN101588177A Digital locking indictor, phase lock loop frequency synthesizer and wireless transceiver
11/25/2009CN101588176A Phase-locked loop frequency synthesizer with loop gain calibration function
11/25/2009CN101588170A Semiconductor integrated circuit and parameter correction method
11/25/2009CN101588165A Voltage controlled oscillators and phase-frequency locked loop circuit using the same
11/25/2009CN101588123A Method of forming an oscillator circuit and structure therefor
11/25/2009CN101588014A Narrow pulse high-current semiconductor laser device driving circuit
11/25/2009CN101587509A Domain structure of frequency synthesizer chip
11/25/2009CN100563300C Dot clock synchronization generator circuit
11/25/2009CN100563222C Method and circuit of recovering timing data
11/25/2009CN100563109C Pll电路 Pll circuit
11/25/2009CN100563108C Digital pll circuit
11/24/2009US7623609 Dynamic phase alignment methods and apparatus
11/24/2009US7623600 High speed receive equalizer architecture
11/24/2009US7623586 Frequency and phase control apparatus and maximum likelihood decoder
11/24/2009US7623397 Semiconductor device
11/24/2009US7622997 Method for dynamically tuning the clock frequency of an oscillator and corresponding oscillating system
11/24/2009US7622996 Multi-loop phase locked loop circuit
11/24/2009US7622980 Switched capacitor circuit capable of minimizing clock feedthrough effect and having low phase noise and method thereof
11/24/2009US7622971 Delay locked loop circuits and methods of generating clock signals
11/24/2009US7622970 Apparatus and method for controlling a delay- or phase-locked loop as a function of loop frequency
11/24/2009US7622969 Methods, devices, and systems for a delay locked loop having a frequency divided feedback clock
11/24/2009US7622968 Delay locked loop
11/24/2009US7622967 Phase shifting circuit having a constant phase shift
11/24/2009US7622966 Switchable phase locked loop and method for the operation of a switchable phase locked loop
11/24/2009US7622965 Dual-edge shaping latch/synchronizer for re-aligning edges
11/24/2009US7622946 Design structure for an automatic driver/transmission line/receiver impedance matching circuitry
11/19/2009WO2009139509A1 Method of compensating jitters due to power supply variation and digitally controlled oscillator implemented thereof
11/19/2009WO2009109637A3 Phase-locked loop
11/19/2009WO2009109636A3 Phase-locked loop
11/19/2009US20090284654 Synchronizing signal control circuit and synchronizing signal control method
11/19/2009US20090284319 Phase-locked circuit employing capacitance multiplication
11/19/2009US20090284318 High speed pll clock multiplier
11/19/2009US20090284291 Complementary signal generation circuit and semiconductor device comprising same
11/19/2009US20090284290 Dll circuit adapted to semiconductor device
11/19/2009US20090284289 method of implementing power-on-reset in power switches
11/18/2009EP2120344A1 Method for correcting variation, pll circuit and semiconductor integrated circuit
11/18/2009EP2120343A2 Dithering control of oscillator frequency to reduce cumulative timing error in a clock
11/18/2009EP2120342A1 Digital phase-locked loop
11/18/2009EP2119090A1 Fast powering-up of data communication system
11/18/2009EP2119012A1 Phase shifting in dll/pll
11/18/2009EP2118902A1 Methods and apparatus for clock signal synchronization in a configuration of series-connected semiconductor devices
11/18/2009CN101584119A Methods and apparatus for dynamic frequency scaling of phase locked loops for microprocessors
11/18/2009CN101584106A System and method to extend synchronous operation of an active converter in a variable speed drive
11/18/2009CN101583047A System and method for generating reset signal
11/18/2009CN101582695A Phase lock loop frequency synthesizer with quick lock function
11/18/2009CN101582694A Generating method, device and signal generating device of frequency control word
11/18/2009CN101582693A Frequency detection circuit and method of clock data restorer
11/18/2009CN101582692A Method for improving performances of digital phase-locked loops
11/18/2009CN101582691A De-twitter circuit based on fully digital phase-locked loop
11/18/2009CN101582690A Oscillator disciplining system for satellite clock device of power system
11/18/2009CN101582684A Microwave driving source
11/18/2009CN100562137C Method for altering frequency stepping of high-frequency tuner
11/17/2009US7620857 Controllable delay device
11/17/2009US7620060 Method for automatically configuring terminal equipment
11/17/2009US7619755 Apparatus, method, system, and computer program for managing image processing
11/17/2009US7619485 Compact optical assembly for chip-scale atomic clock
11/17/2009US7619483 Asynchronous phase acquisition unit with dithering
11/17/2009US7619454 Clock generator for semiconductor memory apparatus
11/17/2009US7619453 Delay-locked loop (DLL) system for determining forward clock path delay
11/17/2009US7619452 Mutual charge cancelling sample-reset loop filter for phase locked loops
11/17/2009US7619451 Techniques for compensating delays in clock signals on integrated circuits
11/17/2009US7619450 Start-up circuit for providing a start-up voltage to an application circuit
11/17/2009US7619449 Method and apparatus for synchronous clock distribution to a plurality of destinations
11/17/2009CA2270516C Frequency-doubling delay locked loop
11/12/2009WO2009137620A1 Vco capacitor bank trimming and calibration
11/12/2009WO2009137042A1 Integrated ramp, sweep fractional frequency synthesizer on an integrated circuit chip
11/12/2009WO2009137031A1 Improved system and method for cycle slip prevention in a frequency synthesizer
11/12/2009WO2009135406A1 Method and device for generating clock
11/12/2009US20090279642 Calibrated Quadrature Generation for Multi-GHZ Receiver
11/12/2009US20090278951 Apparatus and methods for multi-sensor synchronization
11/12/2009US20090278620 Vco capacitor bank trimming and calibration
11/12/2009US20090278619 Frequency and/or phase compensated microelectromechanical oscillator
11/12/2009US20090278618 System and method for cycle slip prevention in a frequency synthesizer
11/12/2009US20090278615 Voltage controlled oscillator including inter-terminal connection and trap circuit
11/12/2009US20090278614 Phase synchronizing circuit
11/12/2009US20090278613 Two-point modulation polar transmitter architecture and method for performance enhancement
11/12/2009US20090278612 Oscillator gain circuit and method
11/12/2009US20090278611 Integrated ramp, sweep fractional frequency synthesizer on an integrated circuit chip
11/12/2009US20090278581 Delay lock loop and phase angle generator
11/12/2009US20090278580 Clock control circuit and a semiconductor memory apparatus having the same
11/12/2009US20090278579 Delay Line Calibration Mechanism and Related Multi-Clock Signal Generator
11/12/2009US20090278578 Delay locked loop circuit and delay locking method
11/12/2009US20090278577 Semiconductor device including phase detector
11/12/2009US20090278576 Critical path monitor for an integrated circuit and method of operation thereof
11/12/2009US20090278574 Frequency Divider, Frequency Dividing Method Thereof, and Phase Locked Loop Utilizing the Frequency Divider
11/11/2009EP2115871A1 Methods and apparatus for dynamic frequency scaling of phase locked loops for microprocessors
11/11/2009CN201345643Y VCSEL pulse type precise drive current source
11/11/2009CN101577544A Phase-locked loop with collapse protection mechanism
11/11/2009CN101577543A Delay line calibration mechanism and related multi-clock signal generator
11/11/2009CN101577542A Circuit and clock recovery method based on switching capacity comparison circuit
11/11/2009CN101577541A Frequency divider, frequency dividing method and phase locked loop thereof
11/11/2009CN100559200C Method and device for testing a phase locked loop
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