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)
10/2012
10/10/2012CN202486157U Phase-locked amplifier for scanning probe microscopy
10/10/2012CN102725960A Method for phase and oscillator frequency estimation
10/10/2012CN102723948A Delay locked loop and application clock generation method of delay locked loop
10/10/2012CN102723921A Digital lock phase amplification implementation method and system based on field programmable gate array
10/10/2012CN102723919A Transconductance amplifier, resistor, inductor and filter
10/10/2012CN102723918A Transconductance amplifier, resistor, inductor and filter
10/10/2012CN101796728B Oscillator, and receiving device and electronic device using the oscillator
10/10/2012CN101631051B Device and method for adjusting clock
10/10/2012CN101615905B Phase-locked loop with power scaling prescaler and multimode bandwidth loop filter
10/10/2012CN101610083B High-speed multi-channel clock data recovery circuit
10/10/2012CN101547296B Delay locked loop circuit and method
10/09/2012US8285896 Data conversion system
10/09/2012US8284886 Radio frequency built-in self test for quality monitoring of local oscillator and transmitter
10/09/2012US8284885 Clock and data recovery circuits
10/09/2012US8283986 Method and system for reduced clock feed-through in a phase locked loop
10/09/2012US8283985 Automatic frequency compensation for pulse width modulated RF level control
10/09/2012US8283984 Method and apparatus of phase locking for reducing clock jitter due to charge leakage
10/09/2012US8283983 Frequency calibration device and method for programmable oscillator
10/09/2012US8283959 Frequency-doubling delay locked loop
10/09/2012US8283958 Delay-locked loop and electronic device including the same
10/09/2012US8283957 Phase-locked loop circuit and radio receiver
10/09/2012US8283956 Radiation-hardened charge pump topology
10/09/2012US8283955 Double data rate interface
10/09/2012US8283954 RSMRST signal output circuit
10/04/2012WO2012135102A2 Digitally controlled delay lines with fine grain and coarse grain delay elements, and methods and systems to adjust in fine grain increments
10/04/2012WO2012134393A1 Method and apparatus for a duty-cycled harmonic injection locked oscillator
10/04/2012WO2012132847A1 Injection-locked type frequency-locked oscillator
10/04/2012WO2012130668A1 Low phase-noise indirect frequency synthesizer
10/04/2012WO2012129956A1 Method and system for preventing error locking of delay-locked loop
10/04/2012WO2012129801A1 Method and circuit for fast locking of phase-locked loop (pll)
10/04/2012US20120250432 Semiconductor device
10/04/2012US20120249249 Oscillating signal generator utilized in phase-locked loop and method for controlling the oscillating signal generator
10/04/2012US20120249248 Phase-controlled oscillator
10/04/2012US20120249205 Semiconductor Device, a Method of Improving a Distortion of an Output Waveform, and an Electronic Apparatus
10/04/2012US20120249201 Clock signal generation circuit
10/04/2012US20120249200 Digitally controlled delay lines with fine grain and coarse grain delay elements, and methods and systems to adjust in fine grain increments
10/04/2012US20120249199 Internal clock generator and operating method thereof
10/04/2012US20120249198 Dual loop phase locked loop with low voltage-controlled oscillator gain
10/04/2012US20120249197 Large signal VCO
10/04/2012US20120249196 Signal generating device and frequency synthesizer
10/04/2012US20120249195 Clock generating apparatus and frequency calibrating method of the clock generating apparatus
10/04/2012US20120249194 Robust glitch-free clock switch with an unate clock network
10/04/2012US20120249193 Measurement initialization circuitry
10/03/2012EP2506444A1 Method and apparatus for integrating Ultra Wide Band (UWB) signals
10/03/2012CN202475398U Ultra-low phase noise reference signal generating device used for frequency synthesizer
10/03/2012CN202475397U Phase-locked loop and voltage controlled oscillation circuit thereof
10/03/2012CN102714501A Frequency multiplier and method of generating frequency-multiplied signal
10/03/2012CN102714500A Reference frequency generator device
10/03/2012CN102714499A Phase detection circuits and methods
10/03/2012CN102710260A Divide-by-four injection locked frequency divider circuit with low power consumption and wide lock range
10/03/2012CN102710259A True single-phase clock dual-mode prescaler with high speed and low power consumption
10/03/2012CN102710258A Singlechip-based digital frequency multiplication method for low-frequency signal
10/03/2012CN102710257A Frequency locking method, voltage-controlled oscillator and frequency generating unit
10/03/2012CN102710256A Phase frequency detector capable of reducing loop nonlinearity
10/03/2012CN102710255A Clock data recovery circuit capable of resisting double frequency multiplication locking
10/03/2012CN102122956B Phase selector and phase selection method and clock pulse data recovery circuit
10/03/2012CN102064846B Frequency synthesizer and frequency synthesizing method
10/03/2012CN101741383B Method for producing real-time scaling picosecond-level time interval-variable standard signals
10/03/2012CN101615906B Clock-synchronization digital phase-locking method and device
10/03/2012CN101611548B Sigma-delta type analog-to-digital (ad) converter and angular velocity sensor using same
10/03/2012CN101542908B Digital pll device
10/03/2012CN101529725B Broadband frequency synthesizer with elimination of low-frequency parasitic emissions
10/03/2012CN101483431B Mixed-mode phase-locked loop and linear phase amending unit
10/03/2012CN101459427B Dual-mode counter-divider circuit for very high frequency operation
10/03/2012CN101453211B Clock signal generating circuit, display panel module, imaging device, and electronic equipment
10/03/2012CN101273528B Recovery of client clock without jitter
10/02/2012US8281176 Buffer circuit and method
10/02/2012US8279761 Input/output interface for periodic signals
10/02/2012US8279014 Frequency synthesizer with built-in carrier and crystal oscillation frequency offset cancellation
10/02/2012US8278986 Trimming of a pseudo-closed loop programmable delay line
10/02/2012US8278985 Synchronization circuit
10/02/2012US8278984 Phase-locked loop
10/02/2012US8278983 PLL circuit
10/02/2012US8278982 Low noise fractional divider using a multiphase oscillator
10/02/2012US8278981 Low power variable delay circuit
10/02/2012US8278980 Enhancement of power management using dynamic voltage and frequency scaling and digital phase lock loop high speed bypass mode
10/02/2012US8278979 Digital circuits with adaptive resistance to single event upset
10/02/2012US8278978 Programmable voltage regulator
10/02/2012US8278977 Refresh operation during low power mode configuration
09/2012
09/27/2012WO2012127770A1 Oscillation frequency adjusting apparatus, oscillation frequency adjusting method and wireless communication apparatus
09/27/2012WO2012127637A1 Clock generating circuit and method of controlling clock generating circuit
09/27/2012WO2012127395A1 Method and system for controlling and stabilising the frequency of a signal generated by a controllable oscillator
09/27/2012US20120243598 Methods and Systems for Adaptive Receiver Equalization
09/27/2012US20120242415 Pll circuit and control method thereof
09/27/2012US20120242386 Digital pll circuit and clock generating method
09/27/2012US20120242385 Signal receiving circuit, memory controller, processor, computer, and phase control method
09/27/2012US20120242384 Semiconductor integrated circuit having an on-chip pll and operating method thereof
09/27/2012US20120242383 Phase profile generator
09/27/2012US20120242382 Phase adjuster and semiconductor apparatus
09/27/2012US20120242381 Floating point timer techniques
09/27/2012DE102006007022B4 Volldigitales PLL-System (ADPLL-System) All-digital PLL system (ADPLL) system
09/26/2012EP2502349A1 A phase locked loop
09/26/2012CN202455335U Low-noise high-resolution fractional division frequency synthesizer
09/26/2012CN102696174A Techniques for providing reduced duty cycle distortion
09/26/2012CN102694548A Optical module for atomic oscillator and atomic oscillator
09/26/2012CN102694547A Oscillating circuit and method for generating the same
09/26/2012CN102694546A Pll circuit and control method thereof
09/26/2012CN102694545A Apparatus and method for carrying out delay-locked loop operation on received signal
09/26/2012CN102694031A Variable capacitance diode capable of improving frequency resolution of numerically controlled oscillator
09/26/2012CN102281060B Phase discriminator circuit applied to clock data recovery
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