| Patents for H03L 7 - Automatic control of frequency or phase; Synchronisation (37,643) |
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| 03/07/2013 | US20130057328 Phase detector circuit for automatically detecting 270 and 540 degree phase shifts |
| 03/07/2013 | US20130057327 Reducing phase locked loop phase lock time |
| 03/07/2013 | US20130057326 Semiconductor device using multi-phase clock signal and information processing system including the same |
| 03/07/2013 | US20130057325 Automatic frequency calibration of a multi-lcvco phase locked loop with adaptive thresholds and programmable center control voltage |
| 03/07/2013 | US20130057324 Circuit for clearing complementary metal oxide semiconductor information |
| 03/07/2013 | US20130057322 Delay circuit and delay stage thereof |
| 03/07/2013 | DE102008045042B4 Regelschleifensystem Loop system |
| 03/06/2013 | CN202772870U Arbitrary waveform signal source device based on SOPC |
| 03/06/2013 | CN202772869U Superspeed digital configurable frequency divider |
| 03/06/2013 | CN202772868U USB host interface implementing circuit without crystal oscillator |
| 03/06/2013 | CN202772867U Frequency following circuit |
| 03/06/2013 | CN102959869A Variable modulus modulator for fractional-n frequency synthesizers |
| 03/06/2013 | CN102959868A Accumulator type fractional-n pll synthesizer and control method thereof |
| 03/06/2013 | CN102959867A Integrated circuit device and method for generating a tuning signal for calibrating a voltage controlled oscillator |
| 03/06/2013 | CN102959866A Parallel path frequency divider circuit |
| 03/06/2013 | CN102959861A Reference frequency generating circuit, semiconductor integrated circuit and electronic apparatus |
| 03/06/2013 | CN102957425A Atomic transition motivation device and method |
| 03/06/2013 | CN102957424A Groove signal restoring circuit for ISO (international standardization organization) 14443 Type A protocol |
| 03/06/2013 | CN102957423A Resonant frequency tracking circuit of piezoelectric ceramic transformer |
| 03/06/2013 | CN102957422A Digital time delay lock loop circuit |
| 03/06/2013 | CN102270985B Configurable differential delay unit circuit |
| 03/06/2013 | CN102209940B Noise shaping time to digital converter |
| 03/06/2013 | CN102035505B Signal generating device and generating method thereof |
| 03/06/2013 | CN101944911B Phase locked loop circuit |
| 03/06/2013 | CN101908884B Clock regeneration apparatus and electronic equipment |
| 03/06/2013 | CN101783681B Frequency multiplier and method for frequency multiplying |
| 03/06/2013 | CN101729085B Radio receiver |
| 03/06/2013 | CN101667830B Phase-locked loop frequency synthesizer |
| 03/06/2013 | CN101326721B Method and apparatus for capacitance multiplication within a phase locked loop |
| 03/06/2013 | CN101093955B Circuit and method for reducing electromagnetic interference |
| 03/05/2013 | US8392744 Clock distribution apparatus, systems, and methods |
| 03/05/2013 | US8392743 Master clock generation unit for satellite navigation systems |
| 03/05/2013 | US8390367 Ensuring minimum gate speed during startup of gate speed regulator |
| 03/05/2013 | US8390352 Apparatus and method for compensating for process, voltage, and temperature variation of the time delay of a digital delay line |
| 03/05/2013 | US8390351 Delay locked loop circuit of semiconductor memory apparatus |
| 03/05/2013 | US8390350 Clock signal delay circuit for a locked loop circuit |
| 03/05/2013 | US8390349 Sub-picosecond resolution segmented re-circulating stochastic time-to-digital converter |
| 03/05/2013 | US8390348 Time base generator and method for providing a first clock signal and a second clock signal |
| 03/05/2013 | US8390347 Single period phase to digital converter |
| 03/05/2013 | US8390346 System for synchronizing operation of a circuit with a control signal, and corresponding integrated circuit |
| 03/05/2013 | US8390329 Method and apparatus to compensate for hold violations |
| 02/28/2013 | WO2013028956A1 High voltage charge pump |
| 02/28/2013 | WO2013028181A1 Digital delay-locked loop with drift sensor |
| 02/28/2013 | WO2013027314A1 Frequency sweep signal generator, frequency component analyzer, wireless device, and frequency sweep signal generating method |
| 02/28/2013 | US20130051437 Frequency tuning circuit, phase-locked loop circuit, communication apparatus, and storage apparatus |
| 02/28/2013 | US20130051166 Apparatuses and methods for compensating for power supply sensitivities of a circuit in a clock path |
| 02/28/2013 | US20130050013 Signal generator, oscillator, and radar device |
| 02/28/2013 | US20130049833 Semiconductor apparatus |
| 02/28/2013 | US20130049832 Clock generator with duty cycle control and method |
| 02/28/2013 | US20130049831 Polyphase clock generator |
| 02/28/2013 | US20130049830 Delay lock loop circuit |
| 02/28/2013 | US20130049829 Variable delay line for delay locked loop |
| 02/28/2013 | US20130049828 Ac supply noise reduction in a 3d stack with voltage sensing and clock shifting |
| 02/28/2013 | US20130049827 Synchronizing global clocks in 3d stacks of integrated circuits by shorting the clock network |
| 02/28/2013 | US20130049826 3d chip stack skew reduction with resonant clock and inductive coupling |
| 02/28/2013 | US20130049825 3d integrated circuit stack-wide synchronization circuit |
| 02/28/2013 | US20130049824 3d chip stack skew reduction with resonant clock and inductive coupling |
| 02/28/2013 | US20130049711 Frequency Lock Loop for Hysteretic Switching Regulators |
| 02/28/2013 | DE102012107647A1 Fraktionaler Frequenzteiler Fractional frequency divider |
| 02/28/2013 | DE102011053121A1 Delta-sigma modulator circuit for fractional-N phase-locked loop (PLL) frequency synthesizer, has feedback signal input connected with output of correction circuit, for feedback of modified output signal |
| 02/27/2013 | EP2562938A1 Multi-modulus divider retiming circuit |
| 02/27/2013 | EP2561616A1 Pll charge pump with reduced coupling to bias nodes |
| 02/27/2013 | CN102946292A Multi-band quick sweep frequency interference source and signal generation method thereof |
| 02/27/2013 | CN102946249A Frequency synthesizer |
| 02/27/2013 | CN102946248A Multi phase clock signal generator, signal phase adjusting loop utilizing the multi phase clock signal generator, and multi phase clock signal generating method |
| 02/27/2013 | CN102394647B Intermittent rubidum atomic clock microwave frequency synthesizer |
| 02/27/2013 | CN102111153B Automatic tuning method and system for cavity frequency of hydrogen atomic clock |
| 02/27/2013 | CN101964657B Low power consumption USB circuit |
| 02/27/2013 | CN101753130B Bit conversion point extract circuit and lock phase clock recovery circuit of non-return-to-zero (NRZ) recovery signal and method for controlling circuits |
| 02/26/2013 | USRE44029 DLL circuit and camcorder using DLL circuit |
| 02/26/2013 | US8386828 Circuit for estimating latency through a FIFO buffer |
| 02/26/2013 | US8385476 Digital phase locked loop |
| 02/26/2013 | US8385403 Digital broadcasting receiving unit and digital broadcasting system |
| 02/26/2013 | US8384485 Reducing spurs in injection-locked oscillators |
| 02/26/2013 | US8384456 Integrated phase-locked and multiplying delay-locked loop with spur cancellation |
| 02/26/2013 | US8384455 Apparatus for clock skew compensation |
| 02/26/2013 | US8384454 DLL circuit with dynamic phase-chasing function and method thereof |
| 02/26/2013 | US8384453 Frequency adjustment in a control system |
| 02/26/2013 | US8384452 Integrated jitter compliant low bandwidth phase locked loops |
| 02/26/2013 | US8384451 PLL circuit, method for operating PLL circuit and system |
| 02/26/2013 | US8384450 Frequency synthesizer device and modulation frequency displacement adjustment method |
| 02/26/2013 | US8384449 Synthesizer and reception device using the same |
| 02/26/2013 | US8384448 DLL circuit and method of controlling the same |
| 02/26/2013 | US8384447 Semiconductor apparatus and method for controlling the same |
| 02/26/2013 | US8384446 Power-up signal generation circuit |
| 02/21/2013 | US20130043920 Digital phase-locked loop apparatus using frequency shift keying and method of controlling the same |
| 02/21/2013 | US20130043919 Semiconductor device having delay line |
| 02/21/2013 | US20130043918 Multi phase clock signal generator, signal phase adjusting loop utilizing the multi phase clock signal generator, and multi phase clock signal generating method |
| 02/21/2013 | US20130043917 Hardware controlled pll switching |
| 02/21/2013 | US20130043916 Wave Clocking |
| 02/21/2013 | US20130043915 Circuits and methods for signal transfer between different clock domains |
| 02/21/2013 | US20130043914 Time-based apparatus and method to mitigate semiconductor aging effects |
| 02/21/2013 | US20130043909 Phase adjustment apparatus and clock generator thereof and method for phase adjustment |
| 02/21/2013 | US20130043907 Method and system for measuring amplitude and phase difference between two sinusoidal signals |
| 02/21/2013 | DE102011111114A1 System und Verfahren zum Erzeugen eines Synchronisationssteuersignals System and method for generating a sync control signal |
| 02/20/2013 | EP2559165A1 Frequency synthesizer with reduced noise and spurious spectral components |
| 02/20/2013 | CN202750071U Capacitance sensor control circuit used for vehicle refueling |
| 02/20/2013 | CN202750070U Polycyclic synthetic local oscillator device of time division long term evolution (TD-LTE) tester |
| 02/20/2013 | CN102938645A Voltage controller, frequency-control circuit and signal generation device using the same |
| 02/20/2013 | CN102938644A Digitally controlled oscillator |