| Patents for H03L 7 - Automatic control of frequency or phase; Synchronisation (37,643) |
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| 08/28/2001 | US6281759 Digital frequency generation method and apparatus |
| 08/28/2001 | US6281758 Differential LC-VCO, charge pump, and loop filter architecture for improved noise-immunity in integrated phase-locked loops |
| 08/28/2001 | US6281742 Substrate voltage detection control circuit |
| 08/28/2001 | US6281728 Delay locked loop circuit |
| 08/28/2001 | US6281727 Fine-tuning phase-locked loop PLL using variable resistor between dual PLL loops |
| 08/28/2001 | US6281726 Device and method in a delay locked loop for generating quadrature and other off-phase clocks with improved resolution |
| 08/28/2001 | US6281725 Semiconductor integrated circuit having a clock recovery circuit |
| 08/28/2001 | US6281721 Programmable frequency divider |
| 08/28/2001 | US6281712 Phase detector with frequency steering |
| 08/23/2001 | WO2001061858A1 Frequency synthesiser |
| 08/23/2001 | WO2001061857A2 Method and apparatus for tuning an oscillator to a selected frequency |
| 08/23/2001 | WO2001061856A1 System and method for programming oscillators |
| 08/23/2001 | WO2001061853A1 High noise rejection voltage-controlled ring oscillator architecture |
| 08/23/2001 | WO2001061372A1 Hierarchical delay lock loop code tracking system with multipath correction |
| 08/23/2001 | US20010016929 Built-in self test system and method for high speed clock and data recovery circuit |
| 08/23/2001 | US20010016476 Wireless communication system |
| 08/23/2001 | US20010016024 Configuration and method for clock regeneration |
| 08/23/2001 | US20010016022 Delay time adjusting circuit comprising frequency dividers having different frequency division rates |
| 08/23/2001 | US20010015678 Method and system for managing reference signals for network clock synchronization |
| 08/23/2001 | US20010015677 Phase locked loop for stable clock generation in applications of wide band channel clock recovery and operation method thereof |
| 08/23/2001 | US20010015667 Clock signal generating circuit using variable delay circuit |
| 08/23/2001 | US20010015664 Delay time adjusting method of delaying a phase of an output signal until a phase difference between an input signal and the output signal becomes an integral number of periods other than zero |
| 08/23/2001 | US20010015663 Combined phase comparator and charge pump circuit |
| 08/23/2001 | CA2372799A1 System and method for programming oscillators |
| 08/22/2001 | EP1126617A2 Circuit and method for determing the phase difference between a sample clock and a sampled signal by linear approximation |
| 08/22/2001 | EP1126616A2 Circuit and method for determining the phase difference between a sample clock and a sampled signal |
| 08/22/2001 | EP1126598A2 Oscillator output amplifier |
| 08/22/2001 | EP1125391A1 Phase difference magnifier |
| 08/22/2001 | EP1125383A2 A variable clock rate correlation circuit and method of operation |
| 08/22/2001 | CN1309836A Multiband frequency generation using single PLL-circuit |
| 08/22/2001 | CN1309835A Single chip CMOS transmitter/receiver and VCO-mixer structure |
| 08/22/2001 | CN1309470A Data detector of digit phaselocked loop for replaying recorded data from storage medium |
| 08/22/2001 | CN1309397A Recording/reproducing device and method |
| 08/22/2001 | CN1070006C Phase locked loop circuit |
| 08/21/2001 | US6278866 Bias signal generator in radio receiver |
| 08/21/2001 | US6278746 Timing recovery loop circuit in a receiver of a modem |
| 08/21/2001 | US6278698 Radio frequency data communications device |
| 08/21/2001 | US6278333 Phase lock loop with dual state charge pump and method of operating the same |
| 08/21/2001 | US6278332 Charge pump for low-voltage, low-jitter phase locked loops |
| 08/21/2001 | US6278330 Frequency and phase offset signal generator and method |
| 08/21/2001 | US6278309 Method of controlling a clock signal and circuit for controlling a clock signal |
| 08/21/2001 | US6278304 Look-ahead enabling charge pump in phase-locked loop circuits |
| 08/21/2001 | US6278303 Semiconductor device that can have standby current reduced by ceasing supply of clock signal, and that can maintain status of internal circuit |
| 08/16/2001 | WO2001059931A1 Method for filtering used in a digital phase locked loop |
| 08/16/2001 | WO2001059550A2 A secure asynchronous clock multiplexer |
| 08/16/2001 | US20010014590 Portable telephone apparatus and stablly supplying method of reference frequency |
| 08/16/2001 | US20010014066 Disk reproducing device, a disk reproducing method, a disk rotation control method, and a regenerative clock signal generating device |
| 08/16/2001 | US20010014048 Delay locked loop with delay control unit for noise elimination |
| 08/16/2001 | US20010013812 Voltage controlled oscillator with adaptive closed loop coarse tune |
| 08/16/2001 | US20010013802 System and process for high speed interface clock skew correction |
| 08/16/2001 | US20010013801 Method for increasing the control bandwidth of a frequency control circuit |
| 08/16/2001 | US20010013800 Compensation circuit for low phase offset for phase-locked loops |
| 08/16/2001 | US20010013798 Phase comparing circuit , PLL circuit , televisions broadcasting receiver, and method of comparing phase |
| 08/16/2001 | EP1123580A1 Charge pump phase locked loop circuit |
| 08/16/2001 | EP0764366B1 A method for controlling a phase-locked loop, and a phase-locked loop |
| 08/16/2001 | DE19959714A1 Taktsignal-Erzeuger-Umsetzer-Einrichtung Clock signal generator converter device |
| 08/16/2001 | DE10063147A1 Taktschaltanordnung für Hot-Plug-Funktion Clock switching circuit for hot-plug function |
| 08/16/2001 | DE10003532C1 Taktgenerator Clock generator |
| 08/15/2001 | CN1308802A Method for digital timing recovery and selective filtering |
| 08/15/2001 | CN1308789A System for generating an accurate low-noise periodic signal |
| 08/15/2001 | CN1069797C Highly stable frequency generator |
| 08/14/2001 | US6275555 Digital delay locked loop for adaptive de-skew clock generation |
| 08/14/2001 | US6275553 Digital PLL circuit and clock generation method |
| 08/14/2001 | US6275547 Clock recovery circuit |
| 08/14/2001 | US6275524 Apparatus and method for reducing the time required to acquire synchronization with an incoming data stream |
| 08/14/2001 | US6275118 Push-push oscillator |
| 08/14/2001 | US6275117 Circuit and method for controlling an output of a ring oscillator |
| 08/14/2001 | US6275116 Method, circuit and/or architecture to improve the frequency range of a voltage controlled oscillator |
| 08/14/2001 | US6275115 PLL circuit having current control oscillator receiving the sum of two control currents |
| 08/14/2001 | US6275097 Differential charge pump with low voltage common mode feedback circuit |
| 08/14/2001 | US6275084 Phase modulated input/output circuit |
| 08/14/2001 | US6275079 Analog delay locked loop circuit |
| 08/14/2001 | US6275072 Combined phase comparator and charge pump circuit |
| 08/09/2001 | WO2001058018A2 Phase-locked loop having a bank of vcos for fully integrated broadband tuner |
| 08/09/2001 | WO2001058006A1 Multifunction high frequency integrated circuit structure |
| 08/09/2001 | WO2001001266A8 Digital delay locked loop with output duty cycle matching input duty cycle |
| 08/09/2001 | US20010013101 Delay adjustment circuit and a clock generating circuit using the same |
| 08/09/2001 | US20010012320 Jitter measuring device and method |
| 08/09/2001 | US20010011928 VCO with programmable output power |
| 08/09/2001 | US20010011912 Transmission circuit and semiconductor device |
| 08/09/2001 | DE10003258A1 Digitaler Phasenverstärker Digital phase amplifier |
| 08/08/2001 | EP1121757A1 Clock synchronization system and method |
| 08/08/2001 | EP0831480B1 Data processing apparatus and methods |
| 08/08/2001 | EP0804740B1 Handheld vector network analyzer |
| 08/08/2001 | CN1307406A Filtering method of digital phase lock loop |
| 08/08/2001 | CN1307403A Oscillating device |
| 08/08/2001 | CN1069463C 电压控制振荡器 A voltage controlled oscillator |
| 08/07/2001 | US6272646 Programmable logic device having an integrated phase lock loop |
| 08/07/2001 | US6272439 Programmable delay path circuit and operating point frequency detection apparatus |
| 08/07/2001 | US6272103 Signal attenuation using a filter-limiter connection with a threshold setting network |
| 08/07/2001 | US6271773 Coherent sampling method and apparatus |
| 08/07/2001 | US6271737 Communication device with feedback for cancellation of perturbations |
| 08/07/2001 | US6271735 Oscillator controller with first and second voltage reference |
| 08/07/2001 | US6271733 Integrated oscillator circuit with a memory based frequency control circuit and associated methods |
| 08/07/2001 | US6271731 Control circuit for programmable frequency synthesizer |
| 08/07/2001 | US6271730 Voltage-controlled oscillator including current control element |
| 08/07/2001 | US6271729 Phase-locked loop or delay-locked loop circuitry for programmable logic devices |
| 08/07/2001 | US6271716 Rcb cancellation in low-side low power supply current sources |
| 08/07/2001 | US6271711 Supply independent biasing scheme |
| 08/07/2001 | US6271697 Semiconductor integrated circuit device |