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)
10/2009
10/22/2009US20090261869 Clock domain data transfer device and methods thereof
10/22/2009US20090261853 Semiconductor device and method of testing the same
10/21/2009EP2110951A2 Phase controlling apparatus, phase-control printed board, and controlling method
10/21/2009EP2109936A1 Multiple polarity reversible charge pump circuit and related methods
10/21/2009EP2109933A1 Real time vco gain non linearity calibration
10/21/2009CN201332394Y Multimode frequency division device
10/21/2009CN101563845A Charge pump for generation of multiple output-voltage levels
10/21/2009CN101562452A Voltage-current converter circuit
10/21/2009CN101562451A Precise domestication conserving method of second-level frequency scale
10/21/2009CN101562450A Gradually approaching delay phase-locked loop circuit and method for adjusting clock signal
10/21/2009CN101562440A Postponement module and method, clock detection device and digital phase-locked loop
10/21/2009CN101562431A Phase-locking amplifier
10/21/2009CN100553148C Phase-locked loop with improved phase locking/delocking detection function
10/20/2009USRE40939 Multi-phase locked loop for data recovery
10/20/2009US7606343 Phase-locked-loop with reduced clock jitter
10/20/2009US7606332 Variable signal delaying circuit, quadrature frequency converter and radio frequency tuner
10/20/2009US7605667 Frequency synthesizer with a harmonic locked phase/frequency detector
10/20/2009US7605666 High frequency digital oscillator-on-demand with synchronization
10/20/2009US7605665 Fractional-N phase locked loop
10/20/2009US7605664 All digital phase locked loop system and method
10/20/2009US7605663 Method and apparatus for stabilizing output frequency of PLL (phase lock loop) and phase lock loop thereof
10/20/2009US7605662 Oscillator controller incorporating a voltage-controlled oscillator that outputs an oscillation signal at a desired oscillation frequency
10/20/2009US7605661 Phase locked loop circuit including digital voltage-controlled oscillator, ring oscillator and selector
10/20/2009US7605625 Device, system and method of delay calibration
10/20/2009US7605624 Delay locked loop (DLL) circuit for generating clock signal for memory device
10/20/2009US7605623 Semiconductor memory apparatus with a delay locked loop circuit
10/20/2009US7605622 Delay locked loop circuit
10/20/2009US7605621 Oscillating apparatus
10/20/2009US7605620 System and method to improve the efficiency of synchronous mirror delays and delay locked loops
10/15/2009WO2009126374A2 Agile high resolution arbitrary waveform generator with jitterless frequency stepping
10/15/2009WO2009125580A1 Loop type clock adjustment circuit and test device
10/15/2009WO2009125508A1 Phase controller, phase controlling printed circuit board and controlling method
10/15/2009US20090258657 Demodulation apparatus and receiving apparatus
10/15/2009US20090257319 Method and Device for Measuring Time Intervals
10/15/2009US20090256642 Locked-loop circuit
10/15/2009US20090256639 All-digital phase-locked loop and bandwidth adjusting method therefore
10/15/2009US20090256638 Atomic frequency standard based on enhanced modulation efficiency semiconductor lasers
10/15/2009US20090256605 Phase controlling apparatus, phase-control printed board, and controlling method
10/15/2009US20090256604 Register controlled delay locked loop circuit
10/15/2009US20090256603 Register controlled delay locked loop circuit
10/15/2009US20090256602 Variable loop bandwidth phase locked loop
10/15/2009US20090256601 Phase to digital converter in all digital phase locked loop
10/15/2009US20090256600 Input clock detection circuit for powering down a pll-based system
10/15/2009US20090256599 Semiconductor integrated circuit device
10/15/2009US20090256597 Power-on reset circuit
10/15/2009US20090256595 Phase Detecting Module and Detecting Method Thereof
10/15/2009US20090256577 Delay Lock Loop Circuit, Timing Generator, Semiconductor Test Device, Semiconductor Integrated Circuit, and Delay Amount Calibration Method
10/15/2009DE102009014611A1 Selbstregelnde Ladungspumpe mit Schleifenfilter Self-charge pump loop filter
10/15/2009DE102007027070B4 Elektronische Vorrichtung und Verfahren zur chipintegrierten Messung von Jitter Electronic device and method for on-chip measurement of the jitter
10/15/2009DE102004062754B4 Pegelumwandlungsschaltung und Seriell/Parallel-Umwandlungsschaltung mit Pegelumwandlungsfunktion Level conversion circuit and serial / parallel conversion circuit with level conversion function
10/14/2009EP1813018B1 Symmetrical time/voltage conversion circuit
10/14/2009CN201328110Y Phase-locking frequency tracking device
10/14/2009CN101558566A Programmable varactor for vco gain compensation and phase noise reduction
10/14/2009CN101557231A Control method for frequency synthesis source of transceiver and control module thereof
10/14/2009CN101557230A System and method for self calibration of phase-locked loop
10/14/2009CN101557229A System and method for self-calibration of phase-locked loop
10/14/2009CN101557228A Phase-lock loop system and phase-lock method of phase-lock loop
10/14/2009CN101557227A Self-adapting resonance control method for transmitting non-contact electric energy
10/14/2009CN101557226A Circuit device for controlling push-push operation of pulse power supply
10/14/2009CN101557213A Delay unit, annular oscillator and PLL circuit
10/14/2009CN100551106C Base station far-end radio-frequency apparatus and clock restoring apparatus
10/14/2009CN100550646C Adaptive frequency synthesizer for multiplying a clock by a rational number
10/14/2009CN100550645C Differentuial charge pump with common mode control
10/14/2009CN100550644C PLL circuit with variable output frequency
10/14/2009CN100550621C Correction loop, filtering circuit and correlation method capable of correcting center frequency autometcally
10/14/2009CN100550601C Voltage controlled oscillator for frequency synthesizer
10/14/2009CA2658318A1 Dithering control of oscillator frequency to reduce cumulative timing error in a clock
10/13/2009US7603025 Method and apparatus for copy protection detection in a video signal
10/13/2009US7602876 Method and apparatus for generating a phase dependent control signal
10/13/2009US7602818 Fibre channel transceiver
10/13/2009US7602665 Semiconductor integrated circuit device
10/13/2009US7602445 Digital transmission system and clock reproducing device
10/13/2009US7602386 Reference clock signal generation circuit, power supply circuit, driver circuit, and electro-optical device
10/13/2009US7602256 Systems and techniques for auto-calibration and fast tuning of voltage controlled oscillators in phase-lock loops
10/13/2009US7602255 Loop circuits that reduce bandwidth variations
10/13/2009US7602254 System and method for generating signals with a preselected frequency relationship in two steps
10/13/2009US7602253 Adaptive bandwidth phase locked loop with feedforward divider
10/13/2009US7602252 Sigma delta modulator, fractional frequency synthesizer and sigma delta modulating method
10/13/2009US7602224 Semiconductor device having delay locked loop and method for driving the same
10/13/2009US7602223 Delay-locked loop circuit and method of generating multiplied clock therefrom
10/13/2009US7602222 Power up circuit with low power sleep mode operation
10/08/2009WO2009124145A2 Fractional and integer pll architectures
10/08/2009WO2009122843A1 Frequency synthesizer and method for controlling oscillation frequency of oscillator
10/08/2009WO2009122374A1 Improved clock recovery of serial data signal
10/08/2009WO2009121702A1 Phase-locked loop modulation
10/08/2009US20090253240 Thick Oxide P-Gate NMOS Capacitor for Use In A Low-Pass Filter of a Circuit and Method of Making Same
10/08/2009US20090251226 Lock detection circuit for phase locked loop
10/08/2009US20090251225 Fractional And Integer PLL Architectures
10/08/2009US20090251183 Delay lock loop circuit and semiconductor device
10/08/2009US20090251182 Constant Phase Angle Control for Frequency Agile Power Switching Systems
10/08/2009US20090251181 Method and apparatus for tuning phase of clock signal
10/08/2009US20090251180 Analog phase-locked loop
10/08/2009US20090251179 Clock disabling circuit and clock switching device utilizing the same
10/08/2009DE102009014483A1 Ladungspumpe mit Fähigkeit zur Störungsunterdrückung Charge pump with capacity for interference suppression
10/08/2009DE10164916B4 Datenrückgewinnungsschaltungsanordnung Data recovery circuitry
10/07/2009EP2107682A1 Analog Type-III phase-locked loop
10/07/2009EP2107681A2 Prescaler circuit and buffer circuit
10/07/2009EP2106633A2 System and method to extend synchronous operation of an active converter in a variable speed drive
10/07/2009CN201323568Y Process compensating voltage-current converter
10/07/2009CN201323567Y High precision GPS clock used in detection station of time difference between thunder and lightening
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