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)
07/2012
07/19/2012WO2012097103A1 Full digital bang bang frequency detector with no data pattern dependency
07/19/2012WO2012095230A1 High-frequency generator with low phase noise
07/19/2012US20120182077 Oscillator
07/19/2012US20120182076 Limiter circuit and voltage controlled oscillator including the same
07/19/2012US20120182053 Half cycle delay locked loop
07/19/2012US20120182026 Clock generating apparatus, test apparatus and clock generating method
07/19/2012DE102011089867A1 Digitaler Phasenfrequenzdetektor, Verfahren zum Detektieren einer Phase und einer Frequenz eines Ausgabesignals und digitale Phasenregelschleife The digital phase frequency detector, method for detecting a phase and a frequency of an output signal and digital phase locked loop
07/18/2012EP2477327A1 Electronic device including voltage controlled oscillator pulling compensation circuit and related methods
07/18/2012EP2118902B1 Methods and apparatus for clock signal synchronization in a configuration of series-connected semiconductor devices
07/18/2012CN1945975B Oscillation control device and synchronization system
07/18/2012CN1879252B A delay-locked loop with precision controlled delay
07/18/2012CN1825768B DLL circuit for providing an adjustable phase relationship with respect to a periodic input signal
07/18/2012CN102598455A Distributed power generation interface
07/18/2012CN102594744A Generating method and device of multi-frequency-band emission signal
07/18/2012CN102594382A Communication frequency regulation method and terminal equipment
07/18/2012CN102594345A Data sending method and system on basis of chip
07/18/2012CN102594344A Centralized clock device and mobile terminal device
07/18/2012CN102594343A Numerically controlled oscillator with high tuning precision
07/18/2012CN102594342A Voltage-controlled oscillator
07/18/2012CN102594341A Digital phase frequency detector, digital phase locked loop and method of detecting the same
07/18/2012CN102594340A Phase detector, phase detection method and clock data recovery device
07/18/2012CN102594339A Dynamic phase alignment methods and apparatus
07/18/2012CN102594338A Counter control type delay-locked loop circuit with mistaken locking correction mechanism
07/18/2012CN102594337A Multi phase clock and data recovery system
07/18/2012CN102590835A GPS/INS tightly integrated tracking loop Gauss code phase discriminator and design method thereof
07/18/2012CN101931398B Method and apparatus for clock correction of closed loop
07/18/2012CN101917188B Self-recovery locking method of demodulator
07/18/2012CN101841326B Mixed-mode phase locked loop
07/18/2012CN101826869B Phaselocked loop circuit comprising double current source charge pump and double comparator reset circuit
07/18/2012CN101826868B Charge pump type phaselocked loop circuit comprising frequency discriminator without dead zone
07/18/2012CN101674080B Dual-path agility signal-generating method capable of adjusting phase differences
07/18/2012CN101651654B Energy extraction and data clock recovery equipment of active responder
07/18/2012CN101562450B Gradually approaching delay phase-locked loop circuit and method for adjusting clock signal
07/18/2012CN101505150B Phase-locked circuit
07/18/2012CN101303887B Perfect alignment and duty ratio control of data output of memory device
07/18/2012CN101278482B Voltage controlled delay line (VCDL) and delay lock loop
07/17/2012US8223828 Methods and systems for adaptive receiver equalization
07/17/2012US8223265 Horizontal and vertical synchronization signal generating circuit
07/17/2012US8223239 Clock signal generation circuit, display panel module, image sensor apparatus, and electronic apparatus
07/17/2012US8223013 Method and mechanism for assisted diagnosis and maintenance of health monitoring system
07/17/2012US8222965 Radio frequency modulator
07/17/2012US8222961 Time-domain measurement of PLL bandwidth
07/17/2012US8222941 Phase selector
07/17/2012US8222940 Electrothermal frequency reference
07/17/2012US8222939 Method and system for a glitch correction in an all digital phase lock loop
07/17/2012US8222938 Delay locked loop semiconductor apparatus that models a delay of an internal clock path
07/17/2012US8222937 Charge pump for PLL/DLL
07/17/2012US8222936 Phase and frequency detector with output proportional to frequency difference
07/17/2012US8222935 Communication system, phase-locked loop, movable body and communication method
07/17/2012US8222934 DLL circuit and method of controlling the same
07/17/2012US8222933 Low power digital phase lock loop circuit
07/17/2012US8222932 Phase-locked loop with switched phase detectors
07/17/2012US8222931 Semiconductor device and driving method thereof
07/17/2012US8222930 Power up circuit with low power sleep mode operation
07/17/2012US8222921 Configurable time borrowing flip-flops
07/17/2012CA2617006C Broadband low noise complex regenerative frequency dividers
07/12/2012WO2012094650A1 Calibration of synthesizer phase using reference harmonic
07/12/2012WO2012093458A1 Loop filter buffer with level shifter
07/12/2012WO2012093424A1 Delta-sigma modulating fractional-n pll frequency synthesizer and wireless communication device equipped with same
07/12/2012US20120176204 Oscillator circuit
07/12/2012US20120176202 Frequency Synthesizer with Built-in Carrier and Crystal Oscillation Frequency Offset Cancellation
07/12/2012US20120176201 Pid control for transmitter-receiver synchronization
07/12/2012US20120176171 Loop filter buffer with level shifter
07/12/2012US20120176170 Delay locked loop circuit for preventing failure of coarse locking
07/12/2012US20120176169 Digital phase locked loop with reduced switching noise
07/12/2012US20120176168 Signal circuit
07/12/2012US20120176166 Driver circuit
07/12/2012US20120176055 Apparatus for controlling bleed switch, power supply, and method for driving power supply
07/11/2012EP2475100A2 Clock mode determination in a memory system
07/11/2012EP2474097A1 A high-speed non-integer frequency divider circuit
07/11/2012CN202334496U Optical density unit (ODU) frequency source
07/11/2012CN202334495U 航天测控x频段小步进频率综合器 X-band TT & small step frequency synthesizer
07/11/2012CN202334494U 一种改进型dds信号发生器 An improved dds signal generator
07/11/2012CN202334493U 高速跳频宽带频率合成器 High-speed broadband frequency hopping synthesizer
07/11/2012CN202334492U 频率合成器 Frequency synthesizer
07/11/2012CN202334491U 数字可控环形压控振荡器电路 Digitally controllable ring voltage controlled oscillator circuit
07/11/2012CN1671051B Switched capacitor circuit capable of minimizing clock feedthrough effect and having low phase noise and method thereof
07/11/2012CN102577128A 频率偏移校正 Frequency offset correction
07/11/2012CN102571086A Micro-stepping ultra-wideband frequency agile frequency synthesizer with low spur and low phase noise
07/11/2012CN102571085A Frequency source of L wave band
07/11/2012CN102571084A Low-noise phase-locked loop circuit
07/11/2012CN102571083A Digital control oscillator, method for generating quadrature carrier wave and quadrature amplitude modulation system
07/11/2012CN102571082A Phase-locked loop for gate leakage current of V2I tube in dynamic compensation voltage-controlled oscillator
07/11/2012CN102571081A Delay lock loop circuit
07/11/2012CN102571080A clock recovery method and circuit supporting dynamic calibration
07/11/2012CN102571079A ATE (Automatic Test Equipment) test circuit for PLL (Phase Locked Loop) and test method thereof
07/11/2012CN102571078A Circuit for electrical isolation and clock synchronization and multi-channel signal generation device
07/11/2012CN102130682B Phase discriminator
07/11/2012CN101615907B Phase/frequency detector
07/11/2012CN101447781B Delay element, variable delay line, and voltage controlled oscillator, as well as display device and system comprising the same
07/10/2012US8219344 Method and apparatus for digital VCDL startup
07/10/2012US8218708 Phase splitter using digital delay locked loops
07/10/2012US8218707 Intialization circuit for delay locked loop
07/10/2012US8217724 Atomic clock
07/10/2012US8217696 Adaptive digital phase locked loop
07/10/2012US8217695 Fast measurement initialization for memory
07/10/2012US8217694 Method and apparatus for synchronizing with a clock signal
07/10/2012US8217693 Charge pump with reduced current mismatch
07/10/2012US8217692 Frequency synthesizer
07/10/2012US8217691 Low power clocking scheme for a pipelined ADC
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