Patents for H03L 7 - Automatic control of frequency or phase; Synchronisation (37,643)
09/2013
09/10/2013US8531217 Fractional-N frequency synthesizer having reduced fractional switching noise
09/10/2013US8531216 Electronic apparatus and clock generating method thereof
09/10/2013US8531215 Voltage detector
09/10/2013US8530821 Low distortion high bandwidth adaptive transmission line for integrated photonics applications
09/06/2013WO2013131027A1 Capacitor leakage compensation for pll loop filter capacitor
09/06/2013WO2013130671A1 Baseband beamforming
09/06/2013WO2013130042A1 Dynamic optimization of carrier recovery performance for communications systems
09/05/2013US20130229214 Semiconductor device generating phase-controlled clock signal
09/05/2013US20130229213 Capacitor leakage compensation for pll loop filter capacitor
09/05/2013US20130229212 Phase locked loop with digital compensation for analog integration
09/05/2013US20130229211 Transmission/reception device and information processing device
09/04/2013EP2633626A1 Transmission method and system
09/04/2013CN203181056U Novel anti-interference modem
09/04/2013CN203180895U Circuit for carrying out frequency multiplication on signal of main shaft encoder of numerical control system
09/04/2013CN203180894U Synchronizing signal generation device
09/04/2013CN103281079A Cpt原子频标 Cpt atomic frequency standard
09/04/2013CN103281078A Frequency divider and preparation method based on micromechanics clamped beam capacitive power sensor
09/04/2013CN103281077A Multi-band phase locking method and system based on cross coupling
09/04/2013CN103281076A Clock source and signal processing method thereof
09/04/2013CN103281075A Frequency multiplier and preparation method based on micromechanics cantilever capacitive power sensor
09/04/2013CN103281074A Phase-locked loop based on micromechanic indirect thermoelectric type power sensor and preparation method thereof
09/04/2013CN103281073A Double phase-locked loop device for interphone
09/04/2013CN103281052A Polar transmitter and related method thereof
09/04/2013CN102457270B Control method of low-gain voltage-controlled oscillator
09/04/2013CN101953076B Delta-sigma modulator clock dithering in a fractional-N phase-locked loop
09/03/2013US8525598 Digital to analog converter for phase locked loop
09/03/2013US8525597 Clock frequency overshoot detection circuit
09/03/2013US8525564 Charge-based phase locked loop charge pump
09/03/2013US8525563 Semiconductor device including DLL circuit having coarse adjustment unit and fine adjustment unit
09/03/2013US8525562 Systems and methods for providing a clock signal using analog recursion
08/2013
08/29/2013WO2013060854A3 Split varactor array with improved matching and varactor switching scheme
08/29/2013US20130223179 Delay locked loop circuit and semiconductor memory device including the same
08/29/2013US20130222074 Oscillation frequency regulating circuit, semiconductor device, electronic device and oscillation frequency regulation method
08/29/2013US20130222069 Systems and Methods of Low Power Clocking for Sleep Mode Radios
08/29/2013US20130222067 Phase-locked loop
08/29/2013US20130222066 Voltage-controlled oscillator with amplitude and frequency independent of process variations and temperature
08/29/2013US20130222027 Integrated circuit, micro-controller unit, and method including a synchronous sampling controller
08/29/2013US20130222026 Digital phase locked loop
08/29/2013US20130222025 Phase locked loop
08/29/2013US20130222024 Frequency generating system
08/29/2013US20130222023 Digital phase lock loop and method thereof
08/29/2013US20130222022 System and method for oscillator frequency control
08/29/2013US20130222021 Transmitting apparatus and transmitting method
08/29/2013US20130222020 Frequency-control circuits and signal generation devices using the same
08/29/2013US20130222019 Semiconductor integrated circuit, semiconductor device, and method of designing semiconductor integrated circuit
08/29/2013US20130222018 Adaptive clock generating apparatus and method thereof
08/29/2013US20130222017 Reset device and electronic system having the same
08/29/2013US20130222016 Digital PLL Circuit and Clock Generator
08/29/2013US20130221211 Broadband Optical Phase Detection and Phase Noise Removal with an Optical Resonator
08/28/2013EP2632049A2 All digital phase locked loop and method of controlling the same
08/28/2013CN203166876U Miniaturized atomic frequency standard
08/28/2013CN203166875U Modular servo device and atomic frequency standard
08/28/2013CN203166874U Electronic circuit of atomic frequency standard
08/28/2013CN203166873U Atom frequency scale
08/28/2013CN203166872U Atom frequency scale restoration system and atom frequency scale with the system
08/28/2013CN203166871U Improved atomic frequency standard servo system
08/28/2013CN203166870U Frequency synthesizer based on DDS Technology
08/28/2013CN203166869U Crystal oscillator frequency modulation system of FDMA communication
08/28/2013CN203164615U Pulse-type passive rubidium atomic clock
08/28/2013CN203164286U Line width measuring apparatus for rubidium atom frequency scale
08/28/2013CN103269221A Play circuit and play system based on multiple players
08/28/2013CN103269220A Clock recovery circuit through NFC active load modulation based on digital phase-locked loop
08/28/2013CN102356550B Phase discriminator realizing circuit and phase discriminator clock generating method
08/28/2013CN102160291B Oscillating circuit, DC-DC converter, and semiconductor device
08/28/2013CN102067452B Improved system and method for cycle slip prevention in frequency synthesizer
08/28/2013CN101911495B Oscillation frequency control circuit, DC-DC converter including the oscillation frequency control circuit, and semiconductor device
08/27/2013US8519798 Phase-locked loop based chaotic spread spectrum generator
08/27/2013US8519760 Device characteristic compensation circuit and semiconductor apparatus using the same
08/27/2013US8519759 Shift register and synchronization circuit using the same
08/27/2013US8519758 Digital DLL including skewed gate type duty correction circuit and duty correction method thereof
08/27/2013US8519757 Apparatus and method for frequency calibration in frequency synthesizer
08/27/2013US8519756 PLL dual edge lock detector
08/27/2013US8519754 Systems and methods of signal synchronization for driving light emitting diodes
08/22/2013WO2013123427A1 RESETTABLE VOLTAGE CONTROLLED OSCILLATORS (VCOs) FOR CLOCK AND DATA RECOVERY (CDR) CIRCUITS, AND RELATED SYSTEMS AND METHODS
08/22/2013WO2013078108A3 Precision on-board tuning of embedded microcontroller oscillator using charge time measurenent unit
08/22/2013US20130214837 Coherent phase locked loop
08/22/2013US20130214836 Frequency synthesizer
08/22/2013US20130214835 Lock detention circuit, dll circuit, and receiving circuit
08/22/2013US20130214834 Phase-Locked Loop Control Voltage Determination
08/22/2013US20130214833 Data output timing control circuit for semiconductor apparatus
08/22/2013US20130214832 Apparatus to Remove the Loop Filter Resistor Noise in Charge-Pump PLL
08/22/2013US20130214831 Circuit for detecting a voltage change using a time-to-digital converter
08/22/2013US20130214830 Apparatus and method for phase locked loop bandwidth expansion
08/22/2013US20130214829 Clock recovery system
08/22/2013US20130214828 Methods and apparatus for synchronizing rf pulses in a plasma processing system
08/22/2013US20130214827 Method and system for synchronizing the phase of a plurality of divider circuits in a local-oscillator signal path
08/21/2013EP2629425A1 A robust injection-locked local oscillator
08/21/2013EP2629424A1 Frequency synthesizer
08/21/2013EP2629408A2 Voltage output circuit, load drive circuit, and method for outputting voltage
08/21/2013CN203151470U Resonance transition device
08/21/2013CN203151469U System capable of narrowing atomic energy level transition dynamic detection frequency range of atomic clock
08/21/2013CN203151468U Passive-type rubidium atomic frequency standard servo system
08/21/2013CN203151467U Programmable time-delay multipath control signal phase frequency detector for phase-locked loop
08/21/2013CN203151437U Double-phase-lock amplifier used in water quality monitoring equipment
08/21/2013CN203149049U Overall performance detection system applicable to atomic clock
08/21/2013CN203149032U Fine structure constant detection system
08/21/2013CN203148839U Standard signal source for simulating gas absorption condition in optical fiber sensing detection gas
08/21/2013CN103262421A Semiconductor integrated circuit
08/21/2013CN103259540A Device and method for debugging reflection point resistance of high stability oven controlled crystal oscillator
08/21/2013CN103259539A 相位频率检测器 A phase frequency detector
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