H03L 7 - Automatic control of frequency or phase; Synchronisation

Patents for H03L 7 - Automatic control of frequency or phase; Synchronisation (37,643)
11/2011
11/03/2011	US20110267114 Semiconductor device, method for operating the same, and memory system including the same
11/02/2011	EP2291914B1 Fast-locking bang-bang pll with low output jitter
11/02/2011	EP1913696B1 Delay-locked loop
11/02/2011	EP1639701B1 Low voltage circuit for interfacing with high voltage analog signals
11/02/2011	EP1599963B1 Clock and data recovery method and apparatus
11/02/2011	CN202026300U Direct digital synthesizer and synchronous phase discrimination circuit device for direct digital synthesizer
11/02/2011	CN202026299U Frequency synthesizing device
11/02/2011	CN202026298U CPLD phase locking circuit based on feedforward channel technology
11/02/2011	CN102231629A DDS (direct digital synthesizer) system with phase offset modulation function realized by time sharing alternation
11/02/2011	CN102231628A Time-to-voltage converter-based high-precision pulse width comparison device
11/02/2011	CN101645702B Dutyfactor adjusting method and circuit
11/02/2011	CN101626235B Method and device for controlling oscillator operation mode
11/02/2011	CN101364805B High frequency double tuning annular voltage controlled oscillator
11/02/2011	CN101098422B Picture signal detecting apparatus
11/01/2011	US8049818 Video processing apparatus and method
11/01/2011	US8049569 Circuit and method for improving the accuracy of a crystal-less oscillator having dual-frequency modes
11/01/2011	US8049568 Feedback-based linearization of voltage controlled oscillator
11/01/2011	US8049567 Circuit for phase locked oscillators
11/01/2011	US8049545 Delay-locked loop circuit controlled by column strobe write latency
11/01/2011	US8049544 Delay locked loop circuit
11/01/2011	US8049543 Delay locked loop, electronic device including the same, and method of operating the same
11/01/2011	US8049541 Charge pump for PLL/DLL
11/01/2011	US8049540 Calibration system and method for phase-locked loops
11/01/2011	US8049539 Circuit with variation correction function
10/2011
10/27/2011	WO2011133699A1 Pll charge pump with reduced coupling to bias nodes
10/27/2011	WO2011132891A2 Vibration generator for adaptive control of frequency matching characteristics
10/27/2011	WO2011131839A1 A temperature compensated frequency reference comprising two mems oscillators
10/27/2011	WO2011075540A3 Techniques for providing reduced duty cycle distortion
10/27/2011	US20110261871 All-digital frequency synthesis with dco gain calculation
10/27/2011	US20110260799 Frequency setting circuit and method for an integrated circuit
10/27/2011	US20110260763 Frequency synthesizer
10/27/2011	US20110260762 Apparatus and method for vco calibration using fast frequency comparison based on phase manipulation
10/27/2011	US20110260761 Temperature compensation in a phase-locked loop
10/27/2011	US20110260760 Voltage control oscillator and control method thereof
10/27/2011	US20110260759 Data synchronizer for synchronizing data and communication interface including the same
10/26/2011	EP2381323A1 Low power consumption control circuit and operation method thereof
10/26/2011	CN1813407B Method and device for automatically calibrating a loop-filter of a phase locked loop
10/26/2011	CN101727601B Radio frequency identification tag and method for calibrating clock signals
10/26/2011	CN101540606B Frequency synthesizer based on multi-channel sampling and frequency synthesis method
10/26/2011	CN101442308B Protection device for losing lock of FPGA build-in time-delay phase-locked loop
10/26/2011	CN101371443B A current-mode gain-splitting dual-path VCO
10/25/2011	US8046185 Oscillator calibration for motor controller
10/25/2011	US8045066 Fully integrated tuner architecture
10/25/2011	US8044729 Phase locked loop and voltage controlled oscillator thereof
10/25/2011	US8044726 Systems and methods for self testing a voltage controlled oscillator
10/25/2011	US8044725 Signal generator with directly-extractable DDS signal source
10/25/2011	US8044724 Low jitter large frequency tuning LC PLL for multi-speed clocking applications
10/25/2011	US8044723 Oscillator signal generation with spur mitigation in a wireless communication device
10/25/2011	US8044722 Oscillation frequency control circuit
10/25/2011	US8044692 Level-restorer for supply-regulated PLL
10/25/2011	US8044691 Method for detecting minimum operational frequency
10/20/2011	WO2011129857A2 Scalable millimeter wave power source
10/20/2011	WO2011128671A1 Frequency synthesizer with reduced noise and spurious spectral components
10/20/2011	US20110255615 Apparatus for Data Recovery in a Synchronous Chip-to-Chip System
10/20/2011	US20110254635 Oscillating circuit
10/20/2011	US20110254634 High accuracy oscillator and an auto-trimming method thereof
10/20/2011	US20110254633 Method and apparatus for alleviating charge leakage of vco for phase lock loop
10/20/2011	US20110254632 Pll frequency synthesizer
10/20/2011	US20110254631 Reference assisted control system and method thereof
10/20/2011	US20110254604 Control of a Variable Delay Line Using Line Entry Point to Modify Line Power Supply Voltage
10/20/2011	US20110254603 Phase interpolator and a delay circuit for the phase interpolator
10/20/2011	US20110254602 Lockstep synchronization and maintenance
10/20/2011	US20110254601 Lock detector, method applicable thereto, and phase lock loop applying the same
10/20/2011	US20110254600 Phase locked loop, semiconductor device, and wireless tag
10/20/2011	US20110254599 Method and Apparatus for MEMS Phase Locked Loop
10/20/2011	US20110254598 Voltage operation system
10/20/2011	US20110254597 Semiconductor integrated circuit and electronic information device
10/19/2011	EP2378666A2 Digital controller for automatic rate detection and tracking of audio interface clocks
10/19/2011	EP2378665A1 Frequency synthesizer with reduced noise and spurious spectral components
10/19/2011	CN1661921B Delta/Sigma frequency discriminator
10/19/2011	CN102223147A On-line rapid automatic frequency calibration circuit for frequency synthesizer and method thereof
10/19/2011	CN101395802B Frequency synthesizer, wireless communication system, and semiconductor device
10/19/2011	CN101079628B Frequency synthesizer and signal forming method
10/19/2011	CN101060328B Delay device and its method
10/19/2011	CN101006646B Multi-stage programmable johnson counter
10/18/2011	US8040988 Transceiver with selectable data rate
10/18/2011	US8040194 Frequency synthesizer using a phase-locked loop and single side band mixer
10/18/2011	US8040193 Oscillation adjusting circuit and method
10/18/2011	US8040192 Power supply voltage output circuit
10/18/2011	US8040191 PLL circuit with VCO gain control
10/18/2011	US8040190 Phase-locked loop
10/18/2011	US8040189 Microwave system for driving a linear accelerator
10/18/2011	US8040170 Semiconductor integrated circuit
10/18/2011	US8040169 Delay locked loop circuit
10/18/2011	US8040168 Charge pump circuit
10/18/2011	US8040167 Method and apparatus for charge leakage compensation for charge pump
10/13/2011	WO2011126896A1 Calibrated relaxation oscillator using a pll
10/13/2011	WO2011126614A2 Apparatus and method to compensate for injection locking
10/13/2011	WO2011125841A1 Phase locked loop circuit
10/13/2011	US20110249525 Circuits, Systems and Methods for Adjusting Clock Signals Based on Measured Performance Characteristics
10/13/2011	US20110249519 Data reproduction circuit
10/13/2011	US20110248786 Oscillator circuit
10/13/2011	US20110248785 Clock Generators, Clock Generating Methods, and Mobile Communication Device Using the Clock Generator
10/13/2011	US20110248757 Digital calibration device and method for high speed digital systems
10/13/2011	US20110248756 Semiconductor circuit
10/13/2011	US20110248755 Cross-feedback phase-locked loop for distributed clocking systems
10/13/2011	US20110248754 Synchronization scheme with adaptive reference frequency correction
10/13/2011	US20110248753 Suppression of Low-Frequency Noise from Phase Detector in Phase Control Loop
10/13/2011	DE102011007226A1 Unterdrückung von niederfrequentem Rauschen von einem Phasendetektor in einer Phasensteuerschleife Suppression of low-frequency noise from a phase detector in a phase control loop
10/12/2011	EP1865603B1 Clock selecting circuit and synthesizer

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