| Patents for H03L 7 - Automatic control of frequency or phase; Synchronisation (37,643) |
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| 03/18/1997 | CA2076935C Demodulating device |
| 03/18/1997 | CA2036314C Linearized three state phase detector |
| 03/13/1997 | WO1997009786A1 Method and apparatus for controlling a voltage controlled oscillator tuning range in a frequency synthesizer |
| 03/13/1997 | DE19631113A1 Single phase locked loop circuit for radio communications system |
| 03/12/1997 | EP0762662A2 Low noise amplifier/mixer/frequency synthesizer circuit for an RF system |
| 03/12/1997 | EP0762654A1 Method and apparatus for accurate frequency synthesis using global positioning system timing information |
| 03/12/1997 | EP0762262A1 Clock generating circuit, PLL circuit |
| 03/12/1997 | EP0760954A1 Phase noise detector |
| 03/12/1997 | CN1145151A Data segment driven AFC latch for bi-phase stable frequency phase locked loop |
| 03/12/1997 | CN1144926A Clock generating circuit, PLL circuit, semiconductor device and designing method |
| 03/11/1997 | US5610955 Circuit for generating a spread spectrum clock |
| 03/11/1997 | US5610954 Clock reproduction circuit and elements used in the same |
| 03/11/1997 | US5610952 Synchronization signal generating device |
| 03/11/1997 | US5610560 Oscillator with switched reactive elements |
| 03/11/1997 | US5610559 Dual loop frequency synthesizer having fractional dividers |
| 03/11/1997 | US5610558 Controlled tracking of oscillators in a circuit with multiple frequency sensitive elements |
| 03/11/1997 | US5610541 Reset signal generation method and apparatus for use with a microcomputer |
| 03/05/1997 | EP0493607B1 Clock regenerating circuit |
| 03/05/1997 | EP0487548B1 Synthesized selective call receiver having variable characteristics |
| 03/04/1997 | US5608796 Balanced phase splitting circuit |
| 03/04/1997 | US5608770 Frequency converter outputting a clock signal having a stable and accurate frequency |
| 03/04/1997 | US5608462 Synchronizing arrangement including a gate circuit and a window circuit for determining the occurrence of output pulses |
| 03/04/1997 | US5608357 High speed phase aligner with jitter removal |
| 03/04/1997 | US5608355 Automatic adjustment circuit for an oscillator |
| 03/04/1997 | US5608354 Phase-locked loop circuit obtaining the phase difference between time series pulse strings and a reference frequency |
| 02/27/1997 | WO1997007594A1 Pll circuit and picture reproducing device |
| 02/27/1997 | WO1997002652A3 Tunable crystal oscillator with harmonic output |
| 02/25/1997 | US5606581 Method and apparatus for the cancellation of interference in electrical systems |
| 02/25/1997 | US5606291 Miniature atomic frequency standard controlled by a digital processor |
| 02/25/1997 | US5606290 Phase locked loop circuit having lock holder |
| 02/25/1997 | US5606280 Band-pass filter system |
| 02/25/1997 | US5606272 Comparator with smooth start-up for high frequencies |
| 02/23/1997 | CA2179552A1 Low noise amplifier/mixer/frequency synthesizer circuit for an rf system |
| 02/20/1997 | WO1997006600A1 Rational frequency divider and frequency synthesizer using the frequency divider |
| 02/20/1997 | WO1997006478A1 Clock signal distribution and synchronisation in a digital system |
| 02/19/1997 | EP0758468A1 Digital frequency synthesizer |
| 02/18/1997 | US5604926 Phase locked loop circuit current mode feedback |
| 02/18/1997 | US5604775 Digital phase locked loop having coarse and fine stepsize variable delay lines |
| 02/18/1997 | US5604774 Fully secondary DPLL and destuffing circuit employing same |
| 02/18/1997 | US5604741 Ethernet system |
| 02/18/1997 | US5604468 Frequency synthesizer with temperature compensation and frequency multiplication and method of providing the same |
| 02/18/1997 | US5604466 On-chip voltage controlled oscillator |
| 02/18/1997 | US5604465 Adaptive self-calibration for fast tuning phaselock loops |
| 02/13/1997 | WO1997005739A1 Transition aligned video synchronization system |
| 02/12/1997 | EP0758171A2 Data sampling and recovery |
| 02/12/1997 | EP0758166A1 Frequency synthesizer |
| 02/12/1997 | EP0758089A2 Direction sensor and distortion reduction control circuitry |
| 02/11/1997 | US5603111 Synchronous tracking AM receiver |
| 02/11/1997 | US5603097 Digital radio system capable of high-speed frequency changing at low power consumption |
| 02/11/1997 | US5602884 Digital phase locked loop |
| 02/11/1997 | US5602883 Method of implementing digital phase-locked loops |
| 02/11/1997 | US5602513 Reversed phase-locked loop |
| 02/11/1997 | US5602512 Comparator of phase between a digital signal and a clock signal, and corresponding phase locked loop |
| 02/09/1997 | CA2182248A1 Frequency synthesizer |
| 02/06/1997 | WO1997004327A1 Semiconductor tester synchronized with external clock |
| 02/05/1997 | EP0757445A2 Phase-locked loop frequency synthesizer |
| 02/05/1997 | EP0756799A1 Device for deriving a clock signal from a synchronizing signal and a video recorder provided with the device |
| 02/05/1997 | EP0756744A1 Arrangement for reproducing n digital signals from n adjacent tracks on a record carrier |
| 02/04/1997 | US5600284 High performance voltage controlled oscillator |
| 02/04/1997 | US5600279 VCO having adjustment for fluctuations in relation between control voltage and output frequency |
| 02/04/1997 | US5600273 Constant delay logic circuits and methods |
| 02/04/1997 | US5600272 Digital damping method and apparatus for phase-locked loops |
| 01/29/1997 | EP0756417A2 Video signal processing device for automatically adjusting phase of sampling clocks |
| 01/29/1997 | CN1141541A Integrated circuit and transmitter/receiver |
| 01/28/1997 | US5598448 Method and apparatus for controlling a digital phase lock loop and within a cordless telephone |
| 01/28/1997 | US5598447 Integrated circuit device having internal fast clock source |
| 01/28/1997 | US5598423 Very low jitter clock recovery from serial audio data |
| 01/28/1997 | US5598405 Time division multiple access time division duplex type transmitter-receiver |
| 01/28/1997 | US5598364 All-MOS precision differential delay line with delay a programmable fraction of a master clock period |
| 01/28/1997 | US5598219 Data extracting apparatus for validating data multiplexed in a video signal |
| 01/28/1997 | US5598156 Serial to parallel conversion with phase locked loop |
| 01/23/1997 | WO1997002652A2 Tunable crystal oscillator with harmonic output |
| 01/22/1997 | EP0755135A2 Apparatus and method for recovering a clock signal |
| 01/22/1997 | EP0755120A1 Phase-locked loop circuit |
| 01/22/1997 | EP0479969B1 Fractional-division synthesizer for a voice/data communications system |
| 01/22/1997 | CN1140934A Apparatus and method of setting variable dividing radio and apparatus using the same |
| 01/22/1997 | CN1140928A 电压控制振荡器 A voltage controlled oscillator |
| 01/22/1997 | CN1033886C A frequency synthesizer employing a continuously a daptive phase detector and method |
| 01/21/1997 | US5596610 Delay stage circuitry for a ring oscillator |
| 01/21/1997 | US5596603 Device for wireless transmission of digital data, in particular of audio data, by infrared light in headphones |
| 01/21/1997 | US5596582 AFC in OFDM modulation by shift of a window along a reception sample sequence |
| 01/21/1997 | US5596459 Fully integrated programmable filters for disc drive subsystems |
| 01/21/1997 | US5596300 Method and arrangement for determining phase changes of a reference input signal of a phase-locked loop |
| 01/21/1997 | US5596294 Synchronizing circuit for dividing a frequency of a clock signal supplied from an external device into a plurality of internal clock signals |
| 01/21/1997 | US5596293 Noise resistant reset circuit for a phase detector in a phase-locked loop |
| 01/21/1997 | US5596280 Apparatus and method for testing circuits by the response of a phase-locked loop |
| 01/16/1997 | WO1997001908A1 Demodulator |
| 01/16/1997 | WO1997001901A1 Clock and data regenerator for gigabit signals |
| 01/16/1997 | WO1997001893A1 Method, device, dsp and modem for efficient echo canceler phase roll tracking |
| 01/16/1997 | WO1997001884A1 Phase comparator without dead zone |
| 01/16/1997 | CA2224639A1 Method, device, dsp and modem for efficient echo canceler phase roll tracking |
| 01/15/1997 | EP0753941A1 Frequency synthesizer |
| 01/15/1997 | EP0753808A2 Clock distributing circuit |
| 01/15/1997 | EP0521859B1 Direct digital synthesizer driven phase lock loop frequency synthesizer with hard limiter |
| 01/15/1997 | CN1140361A Method and apparatus for measuring phase difference between pulse signals in communication facility |
| 01/15/1997 | CN1140359A Device for controlling output level of FM detecting circuit using phase locked loop |
| 01/14/1997 | US5594763 Fast synchronizing digital phase-locked loop for recovering clock information from encoded data |
| 01/14/1997 | US5594735 TDMA mobile unit frequency synthesizer having power saving mode during transmit and receive slots |
| 01/14/1997 | US5594392 Ring oscillator having large load driving capability for use as VCO in phase locked loops |
| 01/14/1997 | US5594391 N-stage ring connected voltage controlled oscillator |