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)
10/2013
10/16/2013CN102468845B Method for eliminating frequency deviation of numerically controlled oscillator
10/16/2013CN102355258B Low-phase noise quadrature voltage-controlled oscillator based on injection locked frequency multiplier
10/16/2013CN102347765B Clock and data recovery system, phase adjustment method and phase discriminator
10/16/2013CN102171930B Frequency synthesizer
10/16/2013CN102104377B Chip, system, device and method for controlling loop bandwidth of adaptive digital phase locked loop
10/16/2013CN101926079B Self-oscillating regulated low-ripple charge pump and method
10/15/2013US8559579 All-digital frequency synthesis with DCO gain calculation
10/15/2013US8558911 Display control device
10/15/2013US8558623 Oscillating circuit with giant magnetoresistance effect junctions
10/15/2013US8558593 Frequency-doubling delay locked loop
10/15/2013US8558592 Charge pump and active filter for a feedback circuit
10/15/2013US8558591 Phase locked loop with power supply control
10/15/2013US8558590 Reference voltage generator circuit and image processing apparatus
10/10/2013WO2013150013A1 Nems control device having a digital delay module
10/10/2013WO2013149636A1 Device for compensating temperature drift of a vco, and to a method thereof
10/10/2013WO2013067200A3 Method and apparatus for receiver adaptive phase clocked low power serial link
10/10/2013US20130265114 Method and apparatus for measuring/compensating mismatches in digitally-controlled oscillator
10/10/2013US20130265112 Low power reduction of biases in a micro primary frequency standard
10/10/2013US20130265090 Apparatuses, circuits, and methods for reducing metastability in data synchronization
10/10/2013US20130265089 Systems and methods for starting up analog circuits
10/10/2013US20130265088 Overcurrent based power control and circuit reset
10/09/2013EP2647127A1 Phase-locked loop control voltage determination
10/09/2013CN203233397U Frequency divider circuit
10/09/2013CN103348596A Reference clock compensation for fractional-N phase lock loops (PLLs)
10/09/2013CN103348595A Device having a voltage-controlled oscillator and a switching arrangement for self-calibration
10/09/2013CN103346791A Direct digital frequency synthesizer with simplified AND and reconstructed ADD logic arrays
10/09/2013CN103346790A Frequency synthesizer capable of being locked quickly
10/09/2013CN103346789A Frequency divider based on micromachine indirect thermoelectric type power sensor and manufacturing method
10/09/2013CN103346788A Frequency diverter based on micromechanical direct thermoelectric power sensors and preparation method thereof
10/09/2013CN103346787A Phase-locked loop frequency synthesizer structure with automatic frequency correction
10/09/2013CN103346786A Phase-locked loop based on micro-mechanical cantilever beam capacitive power sensor and preparation method thereof
10/09/2013CN103346785A Phase-locked loop based on micromechanical direct thermoelectric power sensors and preparation method thereof
10/09/2013CN103346784A Matching type charge pump circuit for phase-locked loop
10/09/2013CN103346783A Rapid frequency discrimination method and rapid frequency discriminator
10/09/2013CN103346770A Timing sequence buffer circuit and method for high speed serial data recovery
10/09/2013CN102778839B Physical system device of passive type CPT (Coherent Population Trapping) atomic clock
10/09/2013CN101548467B Delay line calibration method and device
10/08/2013US8552808 Apparatus and method for oscillator resonator power control
10/08/2013US8552804 Frequency synthesizers with dynamic calibration intervals
10/08/2013US8552776 Apparatuses and methods for altering a forward path delay of a signal path
10/08/2013US8552775 Digital phase-locked loop apparatus using frequency shift keying and method of controlling the same
10/08/2013US8552774 Fast-switching low-noise charge pump
10/08/2013US8552773 Phase locked loop
10/08/2013US8552772 Loop filter buffer with level shifter
10/08/2013US8552771 System for reducing noise in a chemical sensor array
10/03/2013WO2013147861A1 Spread spectrum clocking method for wireless mobile platforms
10/03/2013WO2013147839A1 On-die all-digital delay measurement circuit
10/03/2013WO2013143237A1 Coherent bi-color light source device and coherent bi-color light generation method
10/03/2013US20130259103 Digital delta sigma modulator and applications thereof
10/03/2013US20130257556 Signal processing apparatus, signal processing method and communication apparatus
10/03/2013US20130257547 Semiconductor device and variation information obtaining program
10/03/2013US20130257546 Phase locked loop with adaptive loop filter
10/03/2013US20130257497 Phase-locked loop calibration system and method
10/03/2013US20130257496 Frequency Synthesizer
10/03/2013US20130257495 Loop filter
10/03/2013US20130257494 Systems, Circuits, and Methods for a Sigma-Delta Based Time to Digital Converter
10/03/2013US20130257493 Latch with a feedback circuit
10/02/2013EP2645660A1 Pll circuit
10/02/2013DE102013205667A1 Ein Phasenregelschleife-Kalibrationssystem und Verfahren A phase-locked loop calibration system and method
10/02/2013CN203225736U Agile frequency synthesizer
10/02/2013CN203225715U High-power different-frequency signal output device based on multistage loop impedance matching technology
10/02/2013CN103338041A Synchronous sampling clock generation circuit and method as well as power quality analyzer
10/02/2013CN103338040A Frequency divider based on micro-machinery cantilever beam capacitance type power sensor and manufacture method thereof
10/02/2013CN103338039A Phase-locked loop based on micro-machinery clamped beam capacitance type power sensor and manufacture method thereof
10/02/2013CN103338038A Phase-locked loop circuit
10/02/2013CN103338037A Method and device for converting clock signals to digital signals in phase-lock loop
10/02/2013CN103338036A Frequency signal link control method of atomic clock based on phase group treatment
10/02/2013CN102347759B Self-aligning delay phase locking loop system and method thereof
10/02/2013CN102291124B Low-phase noise source
10/02/2013CN102089979B Method and systems for delay compensation in global pll-based timing recovery loops
10/01/2013US8548773 High speed chip screening method using delay locked loop
10/01/2013US8547153 Delay locked loop
10/01/2013US8547152 Clock and data recovery circuit
10/01/2013US8547151 Phase-locked loops that share a loop filter
10/01/2013US8547150 Phase-locked loop with two negative feedback loops
10/01/2013US8547149 Clock and data recovery system
10/01/2013US8547148 Semiconductor device with dynamically calibrated oscillator
10/01/2013US8547147 Power-on-reset circuit and reset method
10/01/2013US8547146 Overcurrent based power control and circuit reset
10/01/2013US8547145 Power-up signal generation circuit of semiconductor apparatus
10/01/2013US8547144 Semiconductor device including power-on reset circuit
09/2013
09/26/2013WO2013141863A1 Apparatus and system for digitally controlled oscillator
09/26/2013WO2013141837A1 Self-biased oscillator
09/26/2013WO2013140755A1 Pll circuit, calibration method, and wireless communication apparatus
09/26/2013WO2013071268A3 System and method of stabilizing charge pump node voltage levels
09/26/2013US20130251076 Oscillator
09/26/2013US20130251020 Methods and Systems for Adaptive Receiver Equalization
09/26/2013US20130249719 Scheme for balancing skew between lanes of high-speed serial digital interface
09/26/2013US20130249627 Time difference amplifier and amplification method using slew rate control
09/26/2013US20130249618 Seamless coarse and fine delay structure for high performance dll
09/26/2013US20130249612 Method and apparatus for source-synchronous signaling
09/26/2013US20130249611 Apparatus, system, and method for controlling temperature and power supply voltage drift in a digital phase locked loop
09/26/2013US20130249610 Semiconductor device and control method for semiconductor device
09/26/2013US20130249609 Semiconductor integrated circuit
09/26/2013US20130249608 Control signal generator for use with a command decoder
09/25/2013EP2642665A1 Frequency generator for a radiofrequency device and method for generating an output signal
09/25/2013EP2642664A1 Synchronization apparatus and field device
09/25/2013EP2641332A1 Lo generation and distribution in a multi-band transceiver
09/25/2013CN203219282U Time-delay chain and time-delay chain group
09/25/2013CN203219281U Phase lock circuit for ultrasonic power supply
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