| Patents for H03L 7 - Automatic control of frequency or phase; Synchronisation (37,643) |
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| 02/12/2014 | CN203434964U Phase delay device used for sampling clock |
| 02/12/2014 | CN103580690A Non-integral power of 2 digital sine and cosine frequency synthesizer and non-integral power of 2 digital sine and cosine frequency synthesis method |
| 02/12/2014 | CN103580689A Self-adaptation locking method for stabilizing phase-locked loop in short time |
| 02/12/2014 | CN103580688A Linear walk arrangement |
| 02/12/2014 | CN103580687A Ultra-high speed digital configurable frequency divider |
| 02/12/2014 | CN103580686A Oscillator pre-tuning circuit and method used for broadband high-performance frequency synthesizer |
| 02/12/2014 | CN103580685A Control circuit and apparatus for digitally controlled oscillator |
| 02/12/2014 | CN103580684A Chip clock signal generation circuit and chip system |
| 02/12/2014 | CN103580683A Method for implementing analog circuit of sine output phase-locked loop |
| 02/12/2014 | CN103580682A Phase noise tolerant sampling |
| 02/12/2014 | CN103580681A Phase-locked loop phase difference adjusting device |
| 02/12/2014 | CN103579901A Surface emitting laser device and atomic oscillator |
| 02/12/2014 | CN102629872B Integrating sphere cooling and microwave integrating cavity |
| 02/12/2014 | CN102611440B Ultrahigh-speed burst mode clock restoring circuit based on gate-control oscillator |
| 02/12/2014 | CN102594343B Numerically controlled oscillator with high tuning precision |
| 02/12/2014 | CN102427364B External clock synchronization circuit of switching power supply |
| 02/12/2014 | CN102340307B Voltage-controlled oscillator device and correction method for voltage-controlled oscillator |
| 02/12/2014 | CN102025371B Synchronous oscillator, clock recovery apparatus, clock distribution circuit, and multi-mode injection circuit |
| 02/12/2014 | CN101630958B Voltage-controlled oscillator circuit and semiconductor device including voltage-controlled oscillator circuit |
| 02/11/2014 | US8648636 Delaying data signals |
| 02/11/2014 | US8648635 Clock signal generators having a reduced power feedback clock path and methods for generating clocks |
| 02/11/2014 | US8648634 Input jitter filter for a phase-locked loop (PLL) |
| 02/11/2014 | US8648633 Clock and data recovery circuit |
| 02/11/2014 | US8648632 Digital PLL circuit, semiconductor integrated circuit, and display apparatus |
| 02/11/2014 | US8648631 Detector circuit and method |
| 02/11/2014 | US8648583 Delay block for controlling a dead time of a switching voltage regulator |
| 02/06/2014 | US20140035691 Capacitive divider structure |
| 02/06/2014 | US20140035687 Distribution system for optical reference |
| 02/06/2014 | US20140035684 Control circuit and apparatus for digitally controlled oscillator |
| 02/06/2014 | US20140035641 Dual mode phase detection |
| 02/06/2014 | US20140035640 Apparatuses and methods for altering a forward path delay of a signal path |
| 02/06/2014 | US20140035639 Semiconductor device generating internal clock signal having higher frequency than that of input clock signal |
| 02/06/2014 | US20140035638 System and method for clock signal generation |
| 02/06/2014 | US20140035637 Reference clock compensation for fractional-n phase lock loops (plls) |
| 02/06/2014 | US20140035636 Clock synchronization circuit |
| 02/06/2014 | US20140035635 Apparatus for glitch-free clock switching and a method thereof |
| 02/06/2014 | US20140035634 Power on reset generation circuits in integrated circuits |
| 02/06/2014 | US20140035633 Autonomous initialization method of facing port of semiconductor integrated circuit and semiconductor integrated circuit |
| 02/06/2014 | US20140035632 Phase-locked loop |
| 02/06/2014 | DE102013012338A1 Phasenregelkreis Phase-locked loop |
| 02/06/2014 | DE102013005054A1 Phasenregelkreis Phase-locked loop |
| 02/06/2014 | DE102012022175A1 Phasendetektion mit zwei Betriebsarten Phase detection with two operating modes |
| 02/05/2014 | EP2693642A1 Method & apparatus for controlling gain in a voltage controlled oscillator |
| 02/05/2014 | EP2692060A1 Low phase-noise indirect frequency synthesizer |
| 02/05/2014 | CN203423675U Frequency-limited voltage-controlled ring oscillator |
| 02/05/2014 | CN103560786A Full-digital successive approximation register type rapid-locking delay lock ring |
| 02/05/2014 | CN103560785A Method and device for generating phase-coherent signals |
| 02/05/2014 | CN103560784A Pump current collocation method and device of broadband frequency synthesizer |
| 02/05/2014 | CN102545886B Gaussian frequency shift keying (GFSK) modulator, GFSK modulation method and transmitter |
| 02/05/2014 | CN102197598B System and method for precision phase shift measurement |
| 02/04/2014 | US8643441 Quantum interference device, atomic oscillator, and magnetic sensor |
| 02/04/2014 | US8643439 Oscillation circuit of semiconductor apparatus |
| 02/04/2014 | US8643417 Method and apparatus to automatically scale DLL code for use with slave DLL operating at a different frequency than a master DLL |
| 02/04/2014 | US8643416 Semiconductor device including a delay locked loop circuit |
| 02/04/2014 | US8643415 Phase-locked loop having a constant damping ratio |
| 02/04/2014 | US8643414 Fast locking phase-locked loop |
| 02/04/2014 | US8643413 Semiconductor device using multi-phase clock signal and information processing system including the same |
| 02/04/2014 | US8643412 Test apparatus, transmission apparatus, receiving apparatus, test method, transmission method and receiving method |
| 02/04/2014 | US8643411 System for generating gated clock signals |
| 01/30/2014 | WO2014018893A1 System and method of determining an oscillator gain |
| 01/30/2014 | WO2014018444A2 Synthesizer method utilizing variable frequency comb lines and frequency toggling |
| 01/30/2014 | WO2013174377A3 Circuit arrangement and method for calibrating activation signals for voltage-controlled oscillators |
| 01/30/2014 | US20140031076 System and method of determining an oscillator gain |
| 01/30/2014 | US20140028405 Low power microfabricated atomic clock |
| 01/30/2014 | US20140028403 Methods for addressing aging of xo crystals |
| 01/30/2014 | US20140028360 Power on reset device and power on reset method |
| 01/29/2014 | EP2689533A1 Method and system for controlling and stabilising the frequency of a signal generated by a controllable oscillator |
| 01/29/2014 | CN203416241U 压控振荡器和无线通信收发器 A voltage controlled oscillator and a wireless communication transceiver |
| 01/29/2014 | CN203416231U Adaptive filtering circuit based on full-digital phase-locked loop and switched capacitor filter |
| 01/29/2014 | CN203414916U Electromagnetic pen and man-machine interactive system provided with same |
| 01/29/2014 | CN103546151A High-speed DLL (Delay-locked loop) |
| 01/29/2014 | CN103546150A Low noise constant amplitude oscillator |
| 01/29/2014 | CN103546149A Phase locking method for three-phase power system |
| 01/29/2014 | CN103543780A Pulse width modulator circuit for switching regulator |
| 01/29/2014 | CN102064802B Low-power consumption and low-distortion signal generator based on direct digital frequency synthetic technology |
| 01/28/2014 | US8638638 Delay locked loop implementation in a synchronous dynamic random access memory |
| 01/28/2014 | US8638177 Optical module for atomic oscillator and atomic oscillator |
| 01/28/2014 | US8638175 Coupled ring oscillator |
| 01/28/2014 | US8638173 System and method of calibrating a phase-locked loop while maintaining lock |
| 01/28/2014 | US8638172 Local oscillator |
| 01/28/2014 | US8638154 System clock monitoring apparatus and motor control system |
| 01/28/2014 | US8638147 Clock generator and system including the same |
| 01/28/2014 | US8638146 Dual mode phase detection |
| 01/28/2014 | US8638145 Method for locking a delay locked loop |
| 01/28/2014 | US8638144 Systems and methods involving phase detection with adaptive locking/detection features |
| 01/28/2014 | US8638143 Phase locked loop frequency synthesizer circuit with improved noise performance |
| 01/28/2014 | US8638142 ADPLL circuit, semiconductor device, and portable information device |
| 01/28/2014 | US8638141 Phase-locked loop |
| 01/28/2014 | US8638140 PLL circuit |
| 01/28/2014 | US8638139 Phase locked loop (PLL) based frequency sweep generator |
| 01/28/2014 | US8638138 Hierarchical global clock tree |
| 01/28/2014 | US8638137 Delay locked loop |
| 01/28/2014 | US8638136 Start-up system and method for switching voltage regulator |
| 01/28/2014 | US8638135 Integrated circuit having latch-up recovery circuit |
| 01/23/2014 | WO2014013289A1 Calibration arrangement for frequency synthesizers |
| 01/23/2014 | WO2014012180A1 Ultra low phase noise signal source |
| 01/23/2014 | US20140021992 Digital Phase Locked Loop with Feedback Loops |
| 01/23/2014 | US20140021991 Digital Phase Locked Loop Circuits |
| 01/23/2014 | US20140021990 Delay locked loop circuit and method of driving the same |
| 01/23/2014 | US20140021989 Phase-locked loops that share a loop filter and frequency divider |