| Patents for H03L 7 - Automatic control of frequency or phase; Synchronisation (37,643) |
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| 01/16/2013 | CN102882516A Method for resetting dll with frequency change application |
| 01/16/2013 | CN102361452B Multi-channel frequency division signal rapid detection device and control method thereof |
| 01/16/2013 | CN102291129B Phase-locked loop circuit used for inhibiting VCO (voltage-controlled oscillator) voltage ripple |
| 01/16/2013 | CN102201811B Method and device for reducing microwave power frequency shift of atomic frequency standard |
| 01/16/2013 | CN102122958B Device and method for automatically repairing rubidium atom frequency-standard frequency drift |
| 01/16/2013 | CN102104382B Method for reducing optical frequency shift of rubidium atomic frequency standard |
| 01/16/2013 | CN102006059B Sigma delta controlled phase locked loop and calibration circuit and calibration method thereof |
| 01/15/2013 | US8355480 Methods and apparatus for synchronizing communication with a memory controller |
| 01/15/2013 | US8355239 Predictive phase locked loop system |
| 01/15/2013 | US8355081 Digital display control device and method thereof |
| 01/15/2013 | US8354867 Phase-locked loop circuit and an associated method |
| 01/15/2013 | US8354866 PLL start-up circuit |
| 01/15/2013 | US8353460 Reset signal generation circuit and semiconductor device |
| 01/10/2013 | WO2013004072A1 Relaxation oscillator having low energy consumption and high performance |
| 01/10/2013 | WO2013004015A1 Rubidium atomic frequency standard and a frequency absolute value correction circuit thereof |
| 01/10/2013 | WO2012119123A3 Temperature compensation and coarse tune bank switches in a low phase noise vco |
| 01/10/2013 | US20130012150 Duty cycle adjustment for a local oscillator signal |
| 01/10/2013 | US20130009685 Data transfer circuit and method with compensated clock jitter |
| 01/10/2013 | US20130009684 Semiconductor apparatus and system |
| 01/10/2013 | US20130009683 Semiconductor device having dll circuit and control method thereof |
| 01/10/2013 | US20130009682 Frequency and phase acquisition of a clock and data recovery circuit without an external reference clock |
| 01/10/2013 | US20130009681 Adpll circuit, semiconductor device, and portable information device |
| 01/10/2013 | US20130009680 Temperature compensation circuit and synthesizer using the temperature compensation circuit |
| 01/10/2013 | US20130009679 Bang-bang phase detector with hysteresis |
| 01/10/2013 | US20130009473 Oscillator Circuit |
| 01/09/2013 | EP2543147A1 Feedback-loop frequency synthesis device |
| 01/09/2013 | CN202663383U S-band coherence multi-frequency signal source |
| 01/09/2013 | CN202663382U Automatic frequency calibration circuit applied to voltage-controlled oscillator (VCO) |
| 01/09/2013 | CN202663381U Phase-locked loop frequency tuning device |
| 01/09/2013 | CN102870329A Integrated circuit with an internal RC-oscillator and method for calibrating an RC-oscillator |
| 01/09/2013 | CN102870328A PLL charge pump with reduced coupling to bias nodes |
| 01/09/2013 | CN102870323A Oscillator circuit and method for generating oscillation |
| 01/09/2013 | CN102868400A Cylindrical cavity device for cooling atoms |
| 01/09/2013 | CN102868399A Phase-locked loop frequency synthesizer and phase-locked loop loss lock detecting and adjusting method |
| 01/09/2013 | CN102868398A Clock signal generating device and method using same |
| 01/09/2013 | CN102868397A Self-correcting frequency synthesizer capable of optimizing properties of voltage-controlled oscillator and optimizing method of self-correcting frequency synthesizer |
| 01/09/2013 | CN102868396A Relaxation oscillator of low power consumption and high performance |
| 01/09/2013 | CN102868395A Phase-locked loop frequency synthesizer and open loop frequency coarse tuning method |
| 01/09/2013 | CN102868394A 40MHz crystal oscillator frequency synthesizer for millimeter wave wireless communication |
| 01/09/2013 | CN102868393A 27MHz crystal oscillator frequency synthesizer used for millimeter wave wireless communication |
| 01/09/2013 | CN102170288B A reusable phase-locked loop low-pass filter |
| 01/09/2013 | CN102142835B Phase digitizing apparatus and method thereof |
| 01/09/2013 | CN101854172B Numerical control oscillator parallel design method based on two-dimensional sine table |
| 01/09/2013 | CN101765968B Semiconductor device |
| 01/09/2013 | CN101627572B Reception apparatus |
| 01/08/2013 | US8351800 Optical receiver and clock generation method |
| 01/08/2013 | US8350608 Phase locked loop circuit including automatic frequency control circuit and operating method thereof |
| 01/08/2013 | US8350607 System and method for an accuracy-enhanced DLL during a measure initialization mode |
| 01/08/2013 | US8350606 Delay circuit |
| 01/08/2013 | US8350605 Phase-locked loop with novel phase detection mechanism |
| 01/08/2013 | US8350604 Clock receiver in semiconductor integrated circuit and method of controlling the same |
| 01/08/2013 | CA2704035C Enhanced wireless packet data communication system, method, and apparatus applicable to both wide area networks and local area networks |
| 01/05/2013 | CA2781953A1 Clock domain crossing interface |
| 01/03/2013 | WO2013002873A2 Low power wideband lo using tuned injection locked oscillator |
| 01/03/2013 | WO2013002814A1 Oscillator settling time allowance |
| 01/03/2013 | WO2013000239A1 Phase-locked loop, wideband transmitter and carrier leakage calibration method of wideband transmitter |
| 01/03/2013 | WO2013000176A1 Microwave cavity bubble device |
| 01/03/2013 | WO2012138509A3 Techniques for reducing duty cycle distortion in periodic signals |
| 01/03/2013 | WO2012117295A3 Methods and devices for implementing all-digital phase locked loop |
| 01/03/2013 | US20130007929 Frequency Measuring and Control Apparatus with Integrated Parallel Synchronized Oscillators |
| 01/03/2013 | US20130003483 Wide frequency range delay locked loop |
| 01/03/2013 | US20130002360 Semiconductor integrated circuit |
| 01/03/2013 | US20130002322 Semiconductor device |
| 01/03/2013 | US20130002321 Clock signal generating circuit and power supply including the same |
| 01/03/2013 | US20130002320 Delay-locked loop |
| 01/03/2013 | US20130002319 Frequency Divider and Phase Locked Loop Including the Same |
| 01/03/2013 | US20130002318 Wide-range clock multiplier |
| 01/03/2013 | US20130002317 Digital phase locked loop circuits with multiple digital feedback loops |
| 01/03/2013 | US20130002316 Reset pulse encoding and decoding scheme with no internal clock |
| 01/03/2013 | US20130002315 Asynchronous clock adapter |
| 01/03/2013 | US20130002304 Threshold tracking edge detection |
| 01/03/2013 | US20130002300 Serializing transmitter |
| 01/03/2013 | US20130002298 Signal value storage circuitry with transition detector |
| 01/02/2013 | CN202652188U Frequency hopping frequency synthesizer |
| 01/02/2013 | CN102859879A System and method for calibrating output frequency in phase locked loop |
| 01/02/2013 | CN102857723A Clock generation method and apparatus in multimedia system |
| 01/02/2013 | CN102857224A Clock generation circuit and related method for generating output clock signal |
| 01/02/2013 | CN102857223A Method and system for jitter reduction |
| 01/02/2013 | CN102857222A Method and circuit for dynamic regulation of system clock |
| 01/02/2013 | CN102857221A Phase locked loop, wide band transmitter and carrier wave leakage correction method of wide band transmitter |
| 01/02/2013 | CN102857220A Serial clock restoring circuit in universal serial bus (USB) 2.0 high-speed mode |
| 01/02/2013 | CN102857219A Frequency locking method, frequency locking circuit, oscillator gain predicting method and oscillator gain predicting circuit |
| 01/02/2013 | CN102857218A Automatic tuning circuit used for phase-locked loop frequency synthesizer |
| 01/02/2013 | CN102223147B On-line rapid automatic frequency calibration circuit for frequency synthesizer and method thereof |
| 01/02/2013 | CN102088289B Low-phase-noise LC VCO based on improved tail current source structure |
| 01/02/2013 | CN102075182B Rapidly-locked charge pump phase-locked loop |
| 01/02/2013 | CN101938293B Multimode-supporting radio frequency transceiver, terminal and switching method of terminal |
| 01/02/2013 | CN101917190B Phase lock loop (PLL) circuit as well as phase synchronization method and motion analysis method thereof |
| 01/02/2013 | CN101902220B Synchronization circuit, synchronization method, and reception system |
| 01/02/2013 | CN101615900B Numerical controlled oscillator |
| 01/02/2013 | CN101490960B Oscillation frequency control circuit |
| 01/01/2013 | US8344814 Circuit and method for generating a clock signal |
| 01/01/2013 | US8344813 Quality of phase lock and loss of lock detector |
| 01/01/2013 | US8344812 Loop filter and voltage controlled oscillator for a phase-locked loop |
| 01/01/2013 | US8344811 Dual-band voltage-controlled oscillator arrangement |
| 01/01/2013 | US8344776 Memory interface circuit and drive capability adjustment method for memory device |
| 01/01/2013 | US8344775 Clock delay correcting device and semiconductor device having the same |
| 01/01/2013 | US8344774 Frequency synthesizer with immunity from oscillator pulling |
| 01/01/2013 | US8344773 Clock generating circuit, semiconductor device including the same, and data processing system |
| 01/01/2013 | US8344772 Time-to-digital converter and all digital phase-locked loop including the same |