Patents for H03L 7 - Automatic control of frequency or phase; Synchronisation (37,643) |
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02/05/2013 | US8368446 Delay locked loop |
02/05/2013 | US8368445 Delay-locked loop |
02/05/2013 | US8368444 Delay locked loop including a mechanism for reducing lock time |
02/05/2013 | US8368443 Differential charge pump circuit |
02/05/2013 | US8368442 Charge pump |
02/05/2013 | US8368441 Semiconductor integrated circuit having an on-chip PLL and operating method thereof |
02/05/2013 | US8368440 Phase-locked-loop circuit including digitally-controlled oscillator |
02/05/2013 | US8368439 Phase locked loop circuit, method of detecting lock, and system having the circuit |
02/05/2013 | US8368438 Phase locked loop circuit and control method thereof |
02/05/2013 | US8368437 Phase locked loop with charge pump |
02/05/2013 | US8368436 Programmable frequency synthesizer with I/Q outputs |
02/05/2013 | US8368435 Method and apparatus for jitter reduction |
02/05/2013 | US8368383 Method for testing a variable digital delay line and a device having variable digital delay line testing capabilities |
01/31/2013 | WO2013016530A2 Phase locked loop |
01/31/2013 | WO2013015977A1 Circuitry and method for controlling a characteristic of a periodic signal |
01/31/2013 | WO2013015279A1 Compensation device, signal generator, and wireless communication device |
01/31/2013 | US20130030881 Methods and apparatus for performing financial transactions |
01/31/2013 | US20130027103 Frequency Locking Oscillator |
01/31/2013 | US20130027102 Fractional and integer pll architectures |
01/31/2013 | US20130027101 Phase locked loop |
01/31/2013 | US20130027100 System and Method for Adjusting a Characteristic of A Periodic Signal with Use of a Filtered Bias Voltage |
01/31/2013 | US20130027099 System, Method and Emulation Circuitry Useful For Adjusting a Characteristic of A Periodic Signal |
01/31/2013 | US20130027098 System and Method Providing Bandwidth Adjustment In Integral Path of Phase Locked Loop Circuitry |
01/31/2013 | US20130027097 System Including Circuitry Providing Multiple Circuit Paths For Controlling A Characteristic of A Period Signal |
01/31/2013 | US20130027096 System Including Circuitry For Controlling A Characteristic of a Periodic Signal and Method for Adjusting a Signal |
01/31/2013 | US20130027095 Semiconductor integrated circuit and method for driving the same |
01/31/2013 | US20130027093 Pll |
01/31/2013 | DE10346928B4 Verzögerungseinstellungsschaltung Delay adjustment circuit |
01/30/2013 | EP2550742A1 A phase detector |
01/30/2013 | EP2550741A1 Transceiver comprising sub-sampled frequency-locked loop |
01/30/2013 | CN202713275U Narrowband frequency-adjustable PLL oscillation circuit |
01/30/2013 | CN202713274U Structure of high speed clock data recovery system |
01/30/2013 | CN202713273U Low-noise duty cycle recovery circuit |
01/30/2013 | CN1581699B Phase swallowing device and signal generating device using same |
01/30/2013 | CN102904570A Gas cell unit and atomic oscillator |
01/30/2013 | CN102904569A Oscillator systems having annular resonant circuitry |
01/30/2013 | CN102904568A Self-adaptive grid-tied converter single phase soft phase-locked loop |
01/30/2013 | CN102904567A Phase locked loop device and regulated voltage supply circuit thereof |
01/30/2013 | CN102231628B Time-to-voltage converter-based high-precision pulse width comparison device |
01/30/2013 | CN102158075B Charge pump circuit in charge pump phase-locking loop |
01/30/2013 | CN102098047B Integrally-designed CPT (Coherent Population Trapping) atomic frequency scale physical system |
01/30/2013 | CN102006061B Frequency and phase discriminator and working method thereof |
01/30/2013 | CN101488750B Method and apparatus for oscillation frequency compensation and phase lock loop circuit |
01/30/2013 | CN101227268B Device for generating a sampled ramp signal representative of a synchronization signal, and device for assisting the reconstruction of a synchronization signal |
01/29/2013 | USRE43947 Delay locked loop circuit and method |
01/29/2013 | US8362848 Supply-regulated VCO architecture |
01/29/2013 | US8362845 Method and apparatus to improve performance of GPSDO's and other oscillators |
01/29/2013 | US8362843 Method and apparatus for multi-point calibration for synthesizing varying frequency signals |
01/29/2013 | US8362817 Phase comparator and clock data recovery circuit |
01/29/2013 | US8362816 Reducing an EMI effect by preventing the diffuse width with the SSCG from being limited by the jitter standard value in a structure in which the PLL circuit is mounted |
01/29/2013 | US8362815 Digital phase locked loop |
01/29/2013 | US8362814 Data processing system having brown-out detection circuit |
01/24/2013 | WO2013011972A1 Phase comparison device and dll circuit |
01/24/2013 | WO2013010901A1 Clock generation circuit |
01/24/2013 | WO2012151313A3 Apparatus and method to hold pll output frequency when input clock is lost |
01/24/2013 | WO2012151220A3 Apparatus and methods for adjusting voltage controlled oscillator gain |
01/24/2013 | US20130021106 Clock frequency adjusting method and circuit |
01/24/2013 | US20130021105 Integrated circuit with an internal rc-oscillator and method for calibrating an rc-oscillator |
01/24/2013 | US20130021074 Decision feedback equalizer operable with multiple data rates |
01/24/2013 | US20130021073 Dll phase detection using advanced phase equalization |
01/24/2013 | US20130021072 Dynamic Frequency Control Using Coarse Clock Gating |
01/23/2013 | EP2548306A2 Frequency measuring and control apparatus with integrated parallel synchronized oscillators |
01/23/2013 | CN202696581U Cesium atom frequency standard cesium-beam tube micro-current signal amplifier |
01/23/2013 | CN202696580U Double-tuned phase-locked rapid hopping source |
01/23/2013 | CN102893527A Circuit for clocking an fpga |
01/23/2013 | CN102891680A 直接频率合成器 Direct Frequency Synthesizer |
01/23/2013 | CN102361453B High-speed duty ratio adjustment and double-end-to-single-end circuit for phase-locked loop |
01/23/2013 | CN102291132B Current-mode-logic-based high speed high-oscillation amplitude divide-by-two frequency divider circuit |
01/23/2013 | CN102231629B DDS (direct digital synthesizer) system with phase offset modulation function realized by time sharing alternation |
01/23/2013 | CN102118164B Microwave frequency synthesizing method and synthesizer for exciting PLL (Phase Locking Loop) by DDS (digital display scope) internally provided with frequency mixer |
01/23/2013 | CN102045036B Digital phase lock amplifier |
01/23/2013 | CN101997542B Delay locked loop circuit |
01/23/2013 | CN101971501B Frequency synthesizer |
01/23/2013 | CN101933233B Oscillation frequency control circuit, and DC-DC converter and semiconductor device having the same |
01/23/2013 | CN101917186B Calibration techniques for frequency synthesizers |
01/23/2013 | CN101567689B Phase-locked loop based on equivalent phase demodulation frequency |
01/22/2013 | US8358160 Clock signal generation circuit |
01/22/2013 | US8358159 Adaptive phase-locked loop (PLL) multi-band calibration |
01/22/2013 | US8358158 Method and apparatus for phase selection acceleration |
01/22/2013 | CA2531384C Handling broadcast and multicast traffic as unicast traffic in a wireless network |
01/17/2013 | WO2013008355A1 Frequency synthesizer |
01/17/2013 | US20130015898 Frequency-doubling delay locked loop |
01/17/2013 | US20130015897 Duty ratio correction circuit |
01/17/2013 | US20130015896 Phase-locked loop apparatus and tuning voltage providing circuit thereof |
01/17/2013 | US20130015895 Temperature compensation circuit |
01/17/2013 | US20130015894 Differential ring oscillator-type voltage control oscillator |
01/17/2013 | US20130015893 Multi-clock real-time counter |
01/17/2013 | US20130015892 Double-point modulator with accurate and fast gain calibration |
01/16/2013 | EP2546991A1 Clock generation circuit |
01/16/2013 | EP2546990A1 Method and system for calibrating frequency |
01/16/2013 | CN202679346U Multiplex coherent signal frequency synthesizer |
01/16/2013 | CN202679345U Ku-band ultra-low phase noise frequency source component |
01/16/2013 | CN1829096B Method and system for a lock detector for a phase-locked loop |
01/16/2013 | CN102884726A Loop filter buffer with level shifter |
01/16/2013 | CN102882522A Quantum interference device, atomic oscillator, and magnetic sensor |
01/16/2013 | CN102882521A Quantum interference device, atomic oscillator, and magnetic sensor |
01/16/2013 | CN102882520A Device and method for clock frequency division based on sigma-delta phase locked loop |
01/16/2013 | CN102882519A Adjustable delayer, method for delaying an input signal and polar transmitter |
01/16/2013 | CN102882518A Phase-locked loop system and implementation method for same |
01/16/2013 | CN102882517A Device and method for generating low-distortion low-frequency sinusoidal signal |