Patents
Sitemap › H03 - Basic electronic circuitry › H03L - Automatic control, starting, synchronisation, or stabilisation of generators of electronic oscillations or pulses › H03L 7 - Automatic control of frequency or phase; Synchronisation
Patents for H03L 7 - Automatic control of frequency or phase; Synchronisation (37,643)
04/2000
04/12/2000CN1250255A Frequency synthesizer
04/12/2000CN1250254A Scanning pilot technology using for distorted control system generated by reducing circuit
04/12/2000CN1250251A Double-side band pilot technology using for distorted control system generated from reducing circuit
04/12/2000CN1250247A Frequency hopping and pilot frequency technology using for control sytsem for distortion generated from reducing circuit
04/12/2000CN1051421C Clock signal generator
04/11/2000US6049886 Clock frequency synchronizer
04/11/2000US6049255 Tuning the bandwidth of a phase-locked loop
04/11/2000US6049254 Phase-locked loop which can automatically adjust to and lock upon a variable input frequency
04/11/2000US6049239 Variable delay circuit and semiconductor integrated circuit device
04/11/2000US6049238 Clock generator and clock generating method capable of varying clock frequency without increasing the number of delay elements
04/11/2000US6049237 Voltage/current converting circuit and PLL circuit including this circuit
04/11/2000US6049233 Phase detection apparatus
04/06/2000WO2000019719A1 Multistandard clock recovery circuit
04/06/2000WO2000019673A1 Vsb receiver
04/06/2000WO2000019641A1 Apparatus for low power radio communications
04/06/2000WO2000019613A1 Frequency detection method for clock signal adjustment and frequency detection circuit for implementing said method
04/06/2000WO2000019612A1 Dual frequency synthesis system
04/06/2000WO2000019607A1 Dual band transmitter for a cellular phone comprising a pll
04/06/2000WO2000019597A1 Methods and apparatus for reducing mosfet body diode conduction in a half-bridge configuration
04/06/2000WO1999055000A3 Differential receiver using a delay lock loop to compensate skew
04/06/2000CA2344264A1 Methods and apparatus for reducing mosfet body diode conduction in a half-bridge configuration
04/05/2000EP0991210A2 Double side band pilot technique for a control system that reduces distortion produced by electrical circuits
04/05/2000EP0991194A1 Process and circuit arrangement for generating a clock signal
04/05/2000EP0991193A1 Radio apparatus comprising a frequency synthesiser and phase discriminator for such an apparatus
04/05/2000EP0991192A2 Integrated circuit with adjustable delay units for clock signals
04/05/2000EP0991183A2 Frequency hop pilot technique for a control system that reduces distortion produced by electrical circuits
04/05/2000EP0991182A2 Sweep pilot technique for a control system that reduces distortion produced by electrical circuits
04/05/2000EP0990161A2 Two port handheld vector network analyzer with frequency monitor mode
04/05/2000CN1249568A Radio equipment comprising frequency synthesizer and phase discriminator
04/04/2000US6047029 Post-filtered delta sigma for controlling a phase locked loop modulator
04/04/2000US6046735 EMI reduction for a flat-panel display controller using horizontal-line-based spread spectrum
04/04/2000US6046646 Modulation of a phase locked loop for spreading the spectrum of an output clock signal
04/04/2000US6046645 Method and device for the digital control of a phase-locked loop and relative phase-locked loop thus obtained
04/04/2000US6046644 Phase-locked loop oscillator formed entirely of logic circuits
04/04/2000US6046643 Radio-frequency signal generator
04/04/2000US6046621 Differential signal generator with dynamic beta ratios
04/04/2000CA2178777C Radio transmitter/receiver
04/04/2000CA2175133C Digital phase-locked loop (pll)
03/2000
03/30/2000WO2000018014A1 Pll circuit and radio communication terminal using pll
03/30/2000WO2000018013A1 A method for minimizing the phase shift in a phase-locked loop caused by changing the reference signal and a phase-locked loop
03/30/2000WO2000018008A2 Circuit for recovering a data signal and regenerating a clock signal
03/30/2000WO2000017883A1 Synchronous circuit
03/30/2000DE19845121C1 Integrierte Schaltung mit einstellbaren Verzögerungseinheiten für Taktsignale Integrated circuit with adjustable delay units for clock signals
03/30/2000DE19844700A1 Multistandard-Taktrückgewinnungsschaltung Multi-standard clock recovery circuit
03/30/2000DE19842711A1 Schaltung zur Datensignalrückgewinnung und Taktsignalregenerierung Circuit for data signal recovery and clock signal regeneration
03/29/2000EP0989706A1 Clock regeneration circuit
03/29/2000EP0989676A1 Frequency presetting device for a voltage controlled oscillator
03/29/2000EP0989675A1 Frequency preset device for a voltage controlled oscillator
03/29/2000EP0988707A2 Receiver with a clock signal generator
03/29/2000EP0988703A2 A communication device with phase continuous synchronisation to an external network
03/29/2000EP0988691A1 Frequency synthesis circuit tuned by digital words
03/29/2000EP0870359B1 Digital frequency generator
03/29/2000CN1248823A Phase-locked loop circuit and control method
03/28/2000US6044124 Delta sigma PLL with low jitter
03/28/2000US6044123 Method and apparatus for fast clock recovery phase-locked loop with training capability
03/28/2000US6043724 Two-stage power noise filter with on and off chip capacitors
03/28/2000US6043717 Signal synchronization and frequency synthesis system configurable as PLL or DLL
03/28/2000US6043716 Charge pump for phase locked loop including main and auxiliary pump circuits
03/28/2000US6043715 Phase-locked loop with static phase offset compensation
03/28/2000US6043695 Phase locked loop using a schmitt trigger block
03/28/2000US6043694 Lock arrangement for a calibrated DLL in DDR SDRAM applications
03/28/2000US6043693 Multiplexed synchronization circuits for switching frequency synthesized signals
03/28/2000US6043677 Programmable clock manager for a programmable logic device that can implement delay-locked loop functions
03/23/2000WO2000016515A1 Triggered clock signal generator
03/23/2000WO2000016331A1 Clock recovery device
03/23/2000WO2000016330A1 Phase comparator and digital phase-locked circuit
03/23/2000DE19842818A1 Synchronous circuit e.g. synchronous integrated memory such as SDRAM, RDRAM
03/23/2000DE19840241C1 Digitaler PLL (Phase Locked Loop)-Frequenzsynthesizer Digital PLL (Phase Locked Loop) -Frequenzsynthesizer
03/23/2000DE19837204A1 Reduction of dead time during frequency hopping in multiband synthesis systems is achieved by setting synthesizer to standby state during programming
03/22/2000EP0987822A2 PLL circuit having a ring oscillator and method of controlling the same
03/22/2000EP0987820A2 Receiver and frequency synthesizer tuner
03/22/2000EP0986858A1 Voice-channel frequency synchronization
03/22/2000EP0986857A1 Apparatus and method for microwave field strength stabilization in cell type atomic clocks
03/22/2000EP0986856A1 Communications device
03/22/2000EP0986785A2 A hardware design for majority voting, and testing and maintenance of majority voting
03/22/2000EP0775400B1 Integrable clock recovery circuit
03/22/2000EP0729680B1 Source synchronized data transmission circuit
03/22/2000CN1248100A Idle time reduction for frequency jump of multi-band synthesizer
03/21/2000US6041090 Data sampling and recover in a phase-locked loop (PLL)
03/21/2000US6041089 Bit phase synchronizing method and bit phase synchronizing circuit
03/21/2000US6041085 Carrier regenerating circuit, multi-level quadrature amplitude demodulator, and method of detecting frequency deviation
03/21/2000US6040743 Voltage controlled oscillator for recovering data pulses from a data input stream having digital data with an unknown phase
03/21/2000US6040742 Charge-pump phase-locked loop with DC current source
03/21/2000US6040726 Digital duty cycle correction loop apparatus and method
03/16/2000WO2000014922A1 Slew phase locked loop
03/16/2000WO2000014910A1 Precision timing generator system and method
03/16/2000WO2000014882A1 Frequency synthesizers
03/16/2000WO2000014881A1 Method of controlling free-running frequency of voltage-controlled oscillator
03/16/2000WO2000014880A1 Method of adjusting voltage-controlled oscillator
03/16/2000WO2000014879A2 Digital frequency synthesizer
03/16/2000WO2000014873A2 Circuit and method for generating clock pulses
03/16/2000WO2000014621A1 Synchronous polyphase clock distribution system
03/16/2000CA2342883A1 Precision timing generator system and method
03/15/2000EP0986178A2 Frequency synthesizer
03/15/2000EP0713627B1 Synchronizing arrangement and method
03/15/2000EP0627137B1 Digitally controlled phase shifter
03/15/2000CN1050477C Nasted digital phase lock loop
03/15/2000CN1050476C Phase comparing circuit and PLL circuit
03/14/2000US6038276 Digital phase lock loop for non-continuous reference signal
03/14/2000US6037814 PLL circuit of display monitor
1 ... 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 ... 377