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)
09/2012
09/05/2012CN202424712U Transceiver
09/05/2012CN202424689U Narrow-band local frequency synthesizer
09/05/2012CN202424688U Millimeter wave broadband nimble frequency-changing signal source used for personnel security inspection device
09/05/2012CN202424687U Self-adjustable delay locking loop circuit
09/05/2012CN202424686U Structure capable of improving phase noise performance of phase-locked loop
09/05/2012CN202424632U Digital lock-in amplification module for gas detection
09/05/2012CN1985441B Method and device for phase error cancellation of phase lock loop
09/05/2012CN102656804A Phase locked loop with digital compensation for analog integration
09/05/2012CN102655410A Voltage controlled oscillator, and test system and test method for detecting technological fluctuation
09/05/2012CN102006065B Fractional phase-locked loop structure for reducing quantized noise of Sigma Delta modulator
09/05/2012CN101931400B Method for locking clock of base station and device thereof
09/05/2012CN101867545B Frequency synthesizer of full-frequency range multi-band orthogonal frequency division multiplexing ultra-wideband radio frequency transceiver
09/05/2012CN101841330B Phase detection module and relevant phase detection method
09/05/2012CN101814903B Tunable ferro-electric filter
09/05/2012CN101803197B Oscillator signal generation with spur mitigation in a wireless communication device
09/05/2012CN101686054B Synchronous frequency synthesizer
09/05/2012CN101677243B Cooperatively operating circuits
09/05/2012CN101675590B Digital pulse frequency/pulse amplitude (dpfm/dpam) controller for low-power switching-power supplies
09/05/2012CN101662281B Inductance-capacitance numerical control oscillator
09/05/2012CN101582691B De-twitter circuit based on fully digital phase-locked loop
09/05/2012CN101540605B Delay-locked loop and a delay-locked loop detector
09/05/2012CN101414822B All-digital phase-locked loop, loop bandwidth calibration method, and loop gain calibration method for the same
09/05/2012CN101162889B 压控振荡器及其控制方法 A voltage controlled oscillator and its control method
09/04/2012US8259889 Apparatus and method for frequency synthesis using delay locked loop
09/04/2012US8258881 Method and system for drift reduction in a low power oscillator (LPO) utilized in a wireless communication device
09/04/2012US8258880 Ring oscillator for providing constant oscillation frequency
09/04/2012US8258879 Capacitor coupled quadrature voltage controlled oscillator
09/04/2012US8258878 Phase locked loop and method thereof
09/04/2012US8258877 Feed-back and feed-forward systems and methods to reduce oscillator phase-noise
09/04/2012US8258841 PLL circuit and optical disc apparatus
09/04/2012US8258840 Delay locked loop and integrated circuit including the same
09/04/2012US8258839 1 to 2N-1 fractional divider circuit with fine fractional resolution
09/04/2012US8258838 Delay locked loop for expanding a delay range
09/04/2012US8258837 Controlled clock phase generation
09/04/2012US8258836 Locked loops, bias generators, charge pumps and methods for generating control voltages
09/04/2012US8258835 Cancellation system for phase jumps at loop gain changes in fractional-N frequency synthesizers
09/04/2012US8258834 Lock detector, method applicable thereto, and phase lock loop applying the same
09/04/2012US8258833 Phase locked loop circuits
09/04/2012US8258832 Loop filter and phase locked loop including the same
09/04/2012US8258831 Method and apparatus for clock generator lock detector
09/04/2012US8258830 Methods for calibrating gated oscillator and oscillator circuit utilizing the same
09/04/2012US8258829 Power switch circuit and semiconductor integrated circuit device
08/2012
08/30/2012US20120218049 Pll
08/30/2012US20120218048 Oscillation device
08/30/2012US20120218016 Semiconductor integrated circuit device having plural delay paths and controller capable of blocking signal transmission in delay path
08/30/2012US20120218015 Duty cycle correction systems and methods
08/30/2012US20120218014 Methods and Devices for Multiple-Mode Radio Frequency Synthesizers
08/30/2012US20120218013 Nonlinear and concurrent digital control for a highly digital phase-locked loop
08/30/2012US20120218012 On-chip power-up control circuit
08/29/2012CN102651649A Design method of low-phase-noise microwave wideband frequency combiner
08/29/2012CN102651648A All-digital phase-locked loop
08/29/2012CN102651647A Delay lock loop and clock pulse signal generation method
08/29/2012CN102271424B AFC (Automatic Frequency Control) device and method for multimode wireless terminal
08/29/2012CN102006058B PLL (Phase-Locked Loop) leakage current compensation circuit and PLL circuit
08/29/2012CN101662078B Small shielding body electromagnetic shielding performance testing device, system and method therefor
08/29/2012CN101599763B Timing error detection device and method thereof
08/29/2012CN101521508B Multi-loop phase-locked loop device and phase-locked method
08/29/2012CN101340190B Semiconductor integrated circuit and method of testing same
08/29/2012CN101204012B Phase-locked loop systems using adaptive low-pass filters in switched bandwidth feedback loops
08/29/2012CN101002390B Digital frequency locked delay line
08/28/2012US8253503 Atomic oscillator and control method of atomic oscillator
08/28/2012US8253500 Frequency-phase adjusting device and method thereof
08/28/2012US8253499 Charge pump and phase detection apparatus, phase-locked loop and delay-locked loop using the same
08/28/2012US8253498 Phase locked loop with divider bias control
08/28/2012US8253497 Atomic oscillator
08/28/2012US8253460 Oscillation circuit, timing device, and electronic system utilizing the same
08/28/2012US8253459 Frequency adjusting apparatus and DLL circuit including the same
08/28/2012US8253458 Digital phase locked loop with reduced switching noise
08/28/2012US8253457 Delay locked loop with delay programmability
08/28/2012US8253456 Time correction circuit and electronic apparatus
08/28/2012US8253455 Delay locked loop circuit and operation method thereof
08/28/2012US8253454 Phase lock loop with phase interpolation by reference clock and method for the same
08/28/2012US8253452 Circuit and method for powering up an integrated circuit and an integrated circuit utilizing same
08/28/2012US8253451 Clock data recovery using phase accumulation over a time period defined by a number of cycles of a clock signal
08/23/2012WO2012111131A1 Millimeter wavelength range wireless transceiver device
08/23/2012US20120216198 Interpreting i/o operation requests from pageable guests without host intervention
08/23/2012US20120213975 Microfluidic devices and methods of manufacture thereof
08/23/2012US20120213268 Locking System and Method Thereof
08/23/2012US20120212296 Signal generating circuit and signal generating method
08/23/2012US20120212269 Single-inversion pulse flop
08/23/2012US20120212268 Phase control circuit
08/23/2012US20120212267 Circuit for Clamping Current in a Charge Pump
08/23/2012US20120212266 Adpll circuit, semiconductor device, and portable information device
08/23/2012US20120212265 Delay cell for clock signals
08/23/2012US20120212264 Coarse lock detector
08/23/2012US20120212251 Signal transmission circuit device, semiconductor device, method and apparatus for inspecting semiconductor device, signal transmission device, and motor drive apparatus using signal transmission device
08/22/2012EP2489436A2 Microfluidic devices and methods of manufacture thereof
08/22/2012EP2489142A2 Radio and ip communication device synchronized by a single oscillator and oscillator control method
08/22/2012CN202395754U Accurate synthesis device for a plurality of frequency sources of BeiDou terminal module
08/22/2012CN202395753U 100MHz-850MHz broadband excitation signal source
08/22/2012CN202395752U All-digital delay phase-locked loop circuit for Nandflash controller
08/22/2012CN202395751U Digital control circuit for ferrite phase shifter
08/22/2012CN1968020B Method and device for stabilizing a transfer function of a digital phase locked loop
08/22/2012CN102648581A Configurable digital-analog phase locked loop
08/22/2012CN102647186A Signal generating circuit and signal generating method
08/22/2012CN102647185A Method and circuit of clock and data recovery with built in jitter tolerance test
08/22/2012CN102647184A Phase-locked loop, active radio frequency identification (RFID) label, double-interface card and control method of phase-locked loop
08/22/2012CN102647183A Contactless power transmission (CPT) resonance frequency device based on digital signal processor (DSP) phase lock technique
08/22/2012CN102641756A Microfluidic devices and methods of manufacture thereof
08/22/2012CN101860087B Method and system for improving wireless energy transmission efficiency by using feedback tuning method
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