Patents for H03L 7 - Automatic control of frequency or phase; Synchronisation (37,643)
05/2013
05/21/2013US8446193 Apparatus and method to hold PLL output frequency when input clock is lost
05/21/2013US8446192 PLL circuit
05/21/2013US8446191 Phase locked loop with digital compensation for analog integration
05/21/2013US8446190 Frequency divider, frequency synthesizer and application circuit
05/21/2013US8446189 Power-on reset circuit
05/21/2013US8446188 Systems and methods for producing a predetermined output in a sequential circuit during power on
05/21/2013US8446187 Apparatus and method for power-on reset circuit with current comparison
05/21/2013US8446186 Time-shared latency locked loop circuit for driving a buffer circuit
05/16/2013WO2013071274A1 Tuning voltage range extension circuit and method
05/16/2013WO2013070218A1 Compensation for digitally controlled oscillator apparatus and method
05/16/2013US20130121096 Delay Locked Loop Implementation In A Synchronous Dynamic Random Access Memory
05/16/2013US20130121094 Integrated circuit comprising a delay-locked loop
05/16/2013US20130120186 Delay locked loop
05/16/2013US20130120072 System and method of calibrating a phase-locked loop while maintaining lock
05/16/2013US20130120071 Tuning voltage range extension circuit and method
05/16/2013US20130120043 Delay-locked-loop circuit
05/16/2013US20130120042 Delay locked loop
05/16/2013US20130120041 Leakage Tolerant Delay Locked Loop Circuit Device
05/16/2013US20130120040 System and method of stabilizing charge pump node voltage levels
05/16/2013US20130120039 Phase-Locked-Loop with Quadrature Tracking Filter for Synchronizing an Electric Grid
05/16/2013US20130120038 Phase-Locked-Loop with Quadrature Tracking Filter for Synchronizing an Electric Grid
05/16/2013US20130120037 Agile Clocking with Receiver PLL Management
05/16/2013US20130120036 Apparatus and method for recovering burst-mode pulse width modulation (pwm) and non-return-to-zero (nrz) data
05/16/2013US20130120035 Lock detector and method of detecting lock status for phase lock loop
05/16/2013US20130120034 Voltage Controlled Oscillator Calibration
05/16/2013US20130120033 Charge-domain filter and method thereof
05/16/2013US20130120032 Analog Front End Device with Two-Wire Interface
05/15/2013EP2591554A1 Delta- sigma fractional - n frequency synthesizer with binary-weighted digital -to -analog differentiators for canceling quantization noise
05/15/2013EP2591553A1 Method for regulating the phase in an tuned circuit
05/15/2013CN202940793U Frequency synthesizer
05/15/2013CN103107819A Noise reduction device of receiver and method thereof
05/15/2013CN103107811A Low phase noise inductance capacitance voltage-controlled oscillator
05/15/2013CN103107810A Agile clocking with receiver pll management?
05/15/2013CN103107809A Phase-locked loop circuit
05/15/2013CN103107808A Duty cycle distortion correction circuitry
05/15/2013CN103107807A Frequency and data reply architecture and phase detector thereof
05/15/2013CN103107806A Low noise spectrum Sigma-Delta decimal-N phase-locked loop
05/15/2013CN102427365B Clock converting and locking method and circuit
05/15/2013CN102047561B Methods of calibrating a clock using multiple clock periods with a single counter and related devices and methods
05/14/2013US8442075 Disparate clock domain synchronization
05/14/2013US8441575 Audio clock regenerator with precise parameter transformer
05/14/2013US8441323 Signal processing using timing comparison
05/14/2013US8441292 Delaying data signals
05/14/2013US8441291 PLL using interpolative divider as digitally controlled oscillator
05/14/2013US8441217 Oscillator circuit with frequency sweep function
05/14/2013CA2582350C System and method for introducing dither for reducing spurs in digital-to-time converter direct digital synthesis
05/10/2013WO2013067200A2 Method and apparatus for receiver adaptive phase clocked low power serial link
05/10/2013WO2013066939A1 Temperature compensated frequency adjustment in a meter reading endpoint
05/10/2013WO2013066161A1 Electronic oscillation circuit
05/10/2013WO2013066160A1 Electronic oscillator circuit, and method for generating an oscillation signal
05/10/2013WO2013065846A1 Self-oscillating class-d amplifier and self-oscillating frequency control method for self-oscillating class-d amplifier
05/10/2013CA2851221A1 Electronic oscillation circuit
05/09/2013US20130114771 Minimization of Spurs Generated from a Free Running Oscillator
05/09/2013US20130113630 Temperature compensated frequency adjustment in a meter reading endpoint
05/09/2013US20130113574 Oscillating device
05/09/2013US20130113573 Frequency Synthesis Using a Ring Oscillator
05/09/2013US20130113572 Clock frequency overshoot detection circuit
05/09/2013US20130113536 Fractional-n phase locked loop based on bang-bang detector
05/09/2013US20130113535 Apparatus and Method for Fast Phase Locked Loop (PLL) Settling for Cellular Time-Division Duplex (TDD) Communications Systems
05/09/2013US20130113534 Clock data recovery circuit and transceiver semiconductor integrated circuit containing the same
05/09/2013US20130113533 Temperature compensated frequency reference comprising two mems oscillators
05/09/2013US20130113532 Processing system and power control device thereof
05/09/2013US20130113531 Electronic circuit, safety critical system, and method for providing a reset signal
05/09/2013US20130113530 Oscillator Based Frequency Locked Loop
05/09/2013US20130113528 Digital Phase-Locked Loop with Wide Capture Range, Low Phase Noise, and Reduced Spurs
05/08/2013EP2590328A1 Method and arrangement for detecting frequency and fundamental wave component of three-phase signal
05/08/2013EP2589152A1 Integrated circuit device and method for generating a tuning signal for calibrating a voltage controlled oscillator
05/08/2013EP2589151A2 Parallel path frequency divider circuit
05/08/2013DE102005008279B4 CDR-basierte Taktsynthese CDR-based clock synthesis
05/08/2013CN202931287U Atomic frequency standard output compensation device
05/08/2013CN202931286U Direct digital frequency synthesis circuit for terrestrial digital videocast exciter
05/08/2013CN202931285U GPS synchronous sampling circuit based on CPLD
05/08/2013CN202931284U Phase-locked loop circuit of digital interphone
05/08/2013CN202931283U Precise phase locking device
05/08/2013CN103098377A Modular frequency divider and mixer configuration
05/08/2013CN103095297A Direct digital frequency synthesizer method for generating accurate frequency
05/08/2013CN103095296A Implementation method of novel software phase-locked loop used for signaling virtual channel (SVC) control system
05/08/2013CN103095295A Phase-locking frequency synthesizer, self-adaptation frequency calibration circuit and calibration method
05/08/2013CN103095294A Pll circuit, communication device, and loopback test method of communication device
05/08/2013CN103095293A Filter algorithm using high-precision one-phase digital phase-locked loop
05/08/2013CN103095292A State judgment method of three-phase power grid software phase-locked loop
05/08/2013CN103095291A Fast phase-locked loop device
05/08/2013CN103095290A Oscillator
05/08/2013CN102299714B Microwave cavity bubble device
05/08/2013CN102013891B Quantum interference device, atomic oscillator and magnetic sensor
05/08/2013CN101572542B Cycle slip detection for timing recovery
05/07/2013US8436686 Method and apparatus for efficient time slicing
05/07/2013US8436685 Oscillating circuit, DC-DC converter, and semiconductor device
05/07/2013US8436665 Digital PLL circuit and clock generating method
05/07/2013US8436664 Circuit and method for implementing power good and chip enable control by a multi-functional pin of an integrated circuit
05/07/2013US8436657 Semiconductor device having output driver
05/07/2013CA2545983C An oscillator circuit with tuneable signal delay means
05/02/2013WO2013063500A2 Clock and data recovery for nfc transceivers
05/02/2013WO2013030330A3 Generation of digital clock for system having rf circuitry
05/02/2013WO2012033801A3 Radio frequency communications system
05/02/2013US20130107978 Split Varactor Array with Improved Matching and Varactor Switching Scheme
05/02/2013US20130107913 Clock and data recovery for nfc transceivers
05/02/2013US20130106522 Oscillator device
05/02/2013US20130106478 Clock buffer circuit and data output circuit including the same
05/02/2013US20130106477 Method for control of phase in an oscillatory circuit
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