Patents for H03L 7 - Automatic control of frequency or phase; Synchronisation (37,643)
06/2010
06/10/2010US20100142660 Digital frequency locked delay line
06/10/2010US20100142296 Semiconductor memory device and delay locked loop control method thereof
06/10/2010US20100141346 Phase-Locked Loop with Start-Up Circuit
06/10/2010US20100141318 Trigger signal detection apparatus
06/10/2010US20100141317 Spread-period clock generator
06/10/2010US20100141316 Method of improving noise characteristics of an adpll and a relative adpll
06/10/2010US20100141315 Apparatus for linearization of digitally controlled oscillator
06/10/2010US20100141314 All digital phase locked loop circuit
06/10/2010US20100141313 Digital phase-locked loop with two-point modulation and adaptive delay matching
06/10/2010US20100141312 Delay locked loop circuit and operation mehtod thereof
06/10/2010US20100141311 Phase-Locked Loop and Bias Generator
06/10/2010US20100141310 Operating clock generation system and method for audio applications
06/10/2010US20100141309 Initialization circuit and bank active circuit using the same
06/10/2010US20100141308 Method and device for clock-data recovery
06/10/2010DE102008044355A1 Modulares Radarsystem Modular radar system
06/09/2010EP2194646A1 Method of improving noise characteristics of an ADPLL and a relative ADPLL
06/09/2010EP2194395A1 Modular radar system
06/09/2010EP2193604A1 Phase-locked loop (pll) having extended tracking range
06/09/2010EP1712049B1 Fractional-n sigma-delta modulator comprising an adaptive compensation filter that compensates for the undesired effects of the phase locked loop and methods thereof
06/09/2010CN1711694B Oscillator frequency control method and device
06/09/2010CN1708905B Self-adjusting programmable on-chip clock aligner
06/09/2010CN1148697B Vision signal treatment device for automatic regulating phase position of sample clock
06/09/2010CN101729234A Phase interpolation controller
06/09/2010CN101729085A 无线电接收机 Radio receiver
06/09/2010CN101729066A Sigma-Delta modulation circuit and method as well as corresponding phase-locked loop
06/09/2010CN101729065A Frequency synthesizer, frequency pre-dividing circuit thereof and frequency synthesis method thereof
06/09/2010CN101729064A Charge pumping circuit and clock generator
06/09/2010CN101729063A Delay phase locked loop circuit and method for adjusting output clock signal phase
06/09/2010CN101729062A Master-slave triangle generator circuit structure with characteristic of adjustable frequency
06/09/2010CN101729044A Modulated supply spread spectrum
06/09/2010CN101727601A Radio frequency identification tag and method for calibrating clock signals
06/09/2010CN101304504B Full system type video demodulation circuit with high-precision multi-window automatic phase control mode
06/08/2010US7734001 Fractional frequency divider circuit and data transmission apparatus using the same
06/08/2010US7733192 Voltage controlled oscillator
06/08/2010US7733188 Phase locked loop
06/08/2010US7733141 Semiconductor device and operating method thereof
06/08/2010US7733140 Delay locked loop in semiconductor memory device
06/08/2010US7733139 Delay locked loop circuit and method for eliminating jitter and offset therein
06/08/2010US7733138 False lock detection mechanism for use in a delay locked loop circuit
06/08/2010US7733137 Design structures including multiple reference frequency fractional-N PLL (phase locked loop)
06/08/2010US7733136 Frequency synthesizer
06/03/2010WO2010060859A1 Frequency adjustable optoelectronic device for frequency discrimination
06/03/2010US20100134192 Frequency calibration loop circuit
06/03/2010US20100134191 Frequency-Locked Clock Generator
06/03/2010US20100134166 System and method for an accuracy-enhanced dll during a measure initialization mode
06/03/2010US20100134165 Time-to-digital converter and all-digital phase-locked loop
06/03/2010US20100134164 Delay locked loop circuit
06/03/2010US20100134163 Semiconductor integrated circuit
06/03/2010US20100134162 Clock signal generation circuit
06/03/2010US20100134161 Phase Detector Circuit for Automatically Detecting 270 and 540 Degree Phase Shifts
06/03/2010US20100134160 Frequency synthesizer
06/03/2010US20100134159 Soft reference switch for phase locked loop
06/03/2010US20100134158 Clock extraction device with digital phase lock, requiring no external control
06/03/2010US20100134157 PLL circuit and method of cotrolling the same
06/03/2010US20100134156 Tri-state delay-typed phase lock loop
06/03/2010US20100134155 Power-down mode control apparatus and dll circuit having the same
06/02/2010EP2192690A1 Pll circuit and angular velocity sensor using the same
06/02/2010EP2192689A1 Time-to-digital converter and all-digital phase-locked loop
06/02/2010EP2191607A1 Method and device for clock recovery
06/02/2010EP2191606A1 Method and device for recording jitter data
06/02/2010EP2191573A1 Spread spectrum clocking in fractional-n pll
06/02/2010EP2191572A1 Signal generator with adjustable phase
06/02/2010EP2191571A1 Signal generator with adjustable frequency
06/02/2010EP2191569A1 Systems and methods for mitigating latency in a data detector feedback loop
06/02/2010EP1738465B1 Fast phase-frequency detector arrangement
06/02/2010EP1312070B1 Method and apparatus for vertically locking input and output video signals
06/02/2010DE10205680B4 Ein-Punkt-Modulator mit PLL-Schaltung One-point modulator PLL circuit
06/02/2010CN201499156U Parallel dds frequency source
06/02/2010CN201499155U Digital wideband frequency synthesizer
06/02/2010CN201499145U Millimeter wave frequency source
06/02/2010CN1913720B Clock pulse generating circuit
06/02/2010CN1799195B 低通滤波器和电子器件 Low-pass filter and electronic devices
06/02/2010CN1711691B PLL with balanced quadricorrelator
06/02/2010CN1701512B Vco device
06/02/2010CN1286530B Method for implementing digital phase-locked loop in clock synchronizing system
06/02/2010CN101719767A Phase-locked loop with quick response
06/02/2010CN101719766A Frequency generation techniques
06/02/2010CN101718966A Active atomic clock of sapphire resonant cavity and method for fabricating resonant cavity
06/02/2010CN101335509B Method and digital control oscillator for sinusoidal and cosine signal generation
06/02/2010CN101149960B Multi-port memory device
06/02/2010CN101079627B Correction circuit of work period
06/02/2010CN101079018B Locking source synchronous selection pass receiver device and method
06/02/2010CN101067635B Method and system for determining digital signal duty cycle
06/01/2010US7730416 Communication apparatus and display method
06/01/2010US7730366 Phase error determination method and digital phase-locked loop system
06/01/2010US7730334 Method and apparatus for on-demand power management
06/01/2010US7729676 Integrated switchless programmable attenuator and low noise amplifier
06/01/2010US7729197 Memory device having a delay locked loop with frequency control
06/01/2010US7728690 Method and apparatus for compensating for tuning nonlinearity of an oscillator
06/01/2010US7728688 Power supply circuit for a phase-locked loop
06/01/2010US7728686 Digital-controlled oscillator for eliminating frequency discontinuities and all-digital phase-locked loop using the same
06/01/2010US7728678 Semiconductor device outputting oscillation signal
06/01/2010US7728677 Method and apparatus for calibrating a voltage controlled oscillator by varying voltage applied to power supply input
06/01/2010US7728676 Voltage-controlled oscillator with control range limiter
06/01/2010US7728675 Fast lock circuit for a phase lock loop
06/01/2010US7728674 Voltage-controlled oscillator methods and apparatus
06/01/2010US7728640 DLL circuit
06/01/2010US7728639 Trimmable delay locked loop circuitry with improved initialization characteristics
06/01/2010US7728638 Electronic system that adjusts DLL lock state acquisition time
06/01/2010US7728637 Low power and low timing jitter phase-lock loop and method
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