| Patents for H03L 7 - Automatic control of frequency or phase; Synchronisation (37,643) |
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| 06/05/2013 | EP2599225A1 Frequency reference system that is not adversely affected by frequency micro-hops |
| 06/05/2013 | EP2599224A1 Modular frequency divider and mixer configuration |
| 06/05/2013 | CN202978900U Double-circuit buffering fast continuous frequency sweeping circuit |
| 06/05/2013 | CN202978899U Variable reference frequency synthesizer |
| 06/05/2013 | CN202978898U Local?oscillator power division network equipment based on multi-beam satellite navigation system |
| 06/05/2013 | CN202978897U Crystal oscillation-prevention simple realization circuit for USB 11 device interface |
| 06/05/2013 | CN202978896U Combined broadband rapid frequency hopping source |
| 06/05/2013 | CN202978895U Low phase noise frequency?synthesizer |
| 06/05/2013 | CN202978894U Multi-radio frequency feedback channel frequency synthesizer |
| 06/05/2013 | CN1879304B Phase-locked loop bandwidth calibration circuit and method thereof |
| 06/05/2013 | CN103141030A Reference clock sampling digital pll |
| 06/05/2013 | CN103141029A Sampler circuit |
| 06/05/2013 | CN103138793A Transceiver free of crystal oscillator |
| 06/05/2013 | CN103138756A Atomic frequency standard servo method with temperature compensation and circuit |
| 06/05/2013 | CN103138755A Output frequency reproduction device and method of atomic clock |
| 06/05/2013 | CN103138754A Clock generator and a method of generating a clock signal |
| 06/05/2013 | CN103138753A Adjusting device, phase-locked loop, electronic device and band width adjusting method and device |
| 06/05/2013 | CN103138752A Phase-locked loops that share a loop filter |
| 06/05/2013 | CN103138751A Phase-locked loop (PLL) |
| 06/05/2013 | CN103138750A Clock and data recovery circuit |
| 06/05/2013 | CN103138570A Phase-locked loop and charge pump thereof |
| 06/05/2013 | CN103134983A Terahertz coherent detection system based on single mixer and method |
| 06/05/2013 | CN102419398B Phase noise capability verification comparison apparatus applied to Ku and K wave band ranges |
| 06/05/2013 | CN102412837B Method for realizing low spurious small-step frequency synthesizer |
| 06/05/2013 | CN102035544B Current source, electronic apparatus, and integrated circuit |
| 06/05/2013 | CN101958726B Method and device for eliminating frequency deviation through temperature compensation in WCDMA (Wideband Code Division Multiple Access) frequency selector |
| 06/05/2013 | CN101917206B Integrated talkback chip and integrated talkback system with dual tone multiple frequency coding and decoding function |
| 06/05/2013 | CN101911493B Digital phase-locked loop with gated time-to-digital converter |
| 06/05/2013 | CN101584119B Methods and apparatus for dynamic frequency scaling of phase locked loops for microprocessors |
| 06/05/2013 | CN101485091B Method and apparatus for reducing oscillation in synchronous circuits |
| 06/04/2013 | US8456245 Two LO and two mixers generating high frequency LO signal |
| 06/04/2013 | US8456244 Apparatus and methods for adjusting voltage controlled oscillator gain |
| 06/04/2013 | US8456243 Failsafe oscillator monitor and alarm |
| 06/04/2013 | US8456242 Frequency locked loop |
| 06/04/2013 | US8456210 Delay locked loop with offset correction |
| 06/04/2013 | US8456209 Delay locked loop and associated method |
| 06/04/2013 | US8456208 Circuit for clamping current in a charge pump |
| 06/04/2013 | US8456207 Lock detector and method of detecting lock status for phase lock loop |
| 06/04/2013 | US8456206 Phase-locked loop lock detect |
| 06/04/2013 | US8456205 Phase-frequency comparator and serial transmission device |
| 06/04/2013 | US8456204 Phase-locked loop systems using adaptive low-pass filters in switched bandwidth feedback loops |
| 05/30/2013 | WO2013078311A1 Frequency scaling of variable speed systems for fast response and power reduction |
| 05/30/2013 | WO2013078108A2 Precision on-board tuning of embedded microcontroller oscillator using charge time measurenent unit |
| 05/30/2013 | WO2013076797A1 Adpll |
| 05/30/2013 | WO2013076470A2 Clock generator |
| 05/30/2013 | US20130136158 Control Circuitry |
| 05/30/2013 | US20130135020 Multi-phase clock signal generation circuits |
| 05/30/2013 | US20130135019 Process, voltage, temperature independent switched delay compensation scheme |
| 05/30/2013 | US20130135018 Phase-locked loops that share a loop filter |
| 05/30/2013 | US20130135017 Synchronizer latch circuit that facilitates resolving metastability |
| 05/30/2013 | US20130135011 Phase frequency detector circuit |
| 05/29/2013 | EP2596584A1 A digital phase-locked loop clock system |
| 05/29/2013 | CN202957806U FPGA-based DDS signal generator |
| 05/29/2013 | CN103125073A Nonlinear and concurrent digital control for a highly digital phase-locked loop |
| 05/29/2013 | CN103124176A Fractional-n synthesizer |
| 05/29/2013 | CN102447472B Method for generating a clock signal and numerical controlled oscillator |
| 05/29/2013 | CN102404001B Multi-phase clock generation and transmission circuit |
| 05/29/2013 | CN102130683B Voltage control oscillator, frequency divider and circuit circuit |
| 05/29/2013 | CN101789783B Digital delay phase-locked loop |
| 05/29/2013 | CN101667832B Fractional-N phase lock device and method thereof |
| 05/28/2013 | US8451971 Communication systems, clock generation circuits thereof, and method for generating clock signal |
| 05/28/2013 | US8451970 Variable delay circuit and delay-locked loop including the same |
| 05/28/2013 | US8451968 Phase-coupled clock signal generator and character generator comprising such a phase-coupled clock signal generator |
| 05/28/2013 | US8451261 LCD driver IC and method for operating the same |
| 05/28/2013 | US8451071 Low noise oscillators |
| 05/28/2013 | US8451067 Variable modulus modulator for fractional-N frequency synthesizers |
| 05/28/2013 | US8451066 PLL circuit and angular velocity sensor using the same |
| 05/28/2013 | US8451065 Oscillator circuit and electric-current correction method |
| 05/28/2013 | US8451064 Voltage-controlled oscillator module having adjustable oscillator gain and related operating methods |
| 05/28/2013 | US8451035 Synthesizable DLL on system-on-chip |
| 05/28/2013 | US8451034 Clock hand-off circuit |
| 05/23/2013 | WO2013075121A1 Integrated phase-locked and multiplying delay-locked loop with spur cancellation |
| 05/23/2013 | WO2013075009A2 Apparatus and method for recovering burst-mode pulse width modulation (pwm) and non-return-to-zero (nrz) data |
| 05/23/2013 | WO2013074845A2 System and method of calibrating a phase-locked loop while maintaining lock |
| 05/23/2013 | WO2013074640A1 Delay locked loop |
| 05/23/2013 | US20130129114 Clock generator |
| 05/23/2013 | US20130127551 Crystal reference oscillator for navigation applications |
| 05/23/2013 | US20130127506 System and method for an accuracy-enhanced dll during a measure initialization mode |
| 05/23/2013 | US20130127505 Clock generator, semiconductor device, and clock generating method |
| 05/23/2013 | US20130127503 Semiconductor device and method for driving the same |
| 05/23/2013 | US20130126748 Systems and methods for generating control signals in radiation detector systems |
| 05/22/2013 | CN202949409U Dual VCO-based ultra-wide band frequency synthesizer |
| 05/22/2013 | CN202949408U S wave band phase lock frequency source of millimeter wave system |
| 05/22/2013 | CN103117746A Segmented fractional-N PLL and operation method thereof |
| 05/22/2013 | CN103117745A Voltage-controlled oscillator with low phase noise |
| 05/22/2013 | CN103117744A Novel switch structure capable of optimizing VCO (voltage controlled oscillator) phase noise performance |
| 05/22/2013 | CN103117743A Two-way output frequency source |
| 05/22/2013 | CN103117742A Global position system (GPS)/compass dual-mode satellite clock crystal oscillator disciplined system |
| 05/22/2013 | CN103117741A Bias current generation circuit and tail current source circuit |
| 05/22/2013 | CN102104376B Phase generation device and phase generation method |
| 05/22/2013 | CN101523834B 时钟数据恢复装置 Clock and data recovery unit |
| 05/21/2013 | US8446531 System and method for clock offset detection |
| 05/21/2013 | US8446527 System of programmable time intervals used for video signal synchronization |
| 05/21/2013 | US8446224 Network of tightly coupled performance monitors for determining the maximum frequency of operation of a semiconductor IC |
| 05/21/2013 | US8446222 Apparatus and methods for reducing noise in oscillating signals |
| 05/21/2013 | US8446198 Phase interpolator and a delay circuit for the phase interpolator |
| 05/21/2013 | US8446197 Delay locked loop and method for driving the same |
| 05/21/2013 | US8446196 Input interface circuit |
| 05/21/2013 | US8446195 Strobe signal management to clock data into a system |
| 05/21/2013 | US8446194 Spread spectrum clock generating circuit |