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)
06/1999
06/22/1999US5914592 Sampling signal generating circuit for sampling apparatus and digital oscilloscope
06/17/1999WO1999030424A2 Transmitter comprising a vco
06/17/1999WO1999030420A1 A communication system, a communication device and a frequency synthesizer
06/17/1999WO1999030416A1 An amplifier for continuous high gain, narrowband signal amplification
06/17/1999DE19848743A1 Two-stage filter for interference signals
06/17/1999DE19832313A1 Clock delay circuit
06/16/1999EP0922333A1 Digital optical receiver with instantaneous josephson clock recovery circuit
06/16/1999EP0697151B1 Numerically controlled oscillator and digital phase locked loop
06/16/1999CA2255232A1 Method and device for the digital control of a phase-locked loop and relative phase-locked loop thus obtained
06/15/1999US5912714 Clock generator for a video signal processing apparatus
06/15/1999US5912713 Display control apparatus using display synchronizing signal
06/15/1999US5912592 Piezoelectric oscillator
06/15/1999US5912575 Phase-locked loop circuit with charge pump and time constant circuit
06/15/1999US5912574 For generating a clock signal with a predetermined duty cycle
06/15/1999US5912572 Synchronizing clock pulse generator for logic derived clock signals with synchronous clock suspension capability for a programmable device
06/15/1999CA2177728C Phase-locking process and loop using said process
06/10/1999WO1999029076A1 Digital radio receiver
06/09/1999EP0921654A2 Digital PLL circuit and signal regeneration method
06/09/1999EP0921640A2 Voltage controlled oscillation circuit
06/09/1999EP0796524B1 Digital data phase detector
06/09/1999CN1219301A Method and apparatus for determining the change in frequency of a reference signal
06/09/1999CN1219033A Clock forming device
06/09/1999CN1219031A Method and apparatus for generating clock signal having specific frequency
06/09/1999CN1043598C A time synchronization apparatus and a method thereof using a global positioning system of a satellite
06/09/1999CA2224261A1 Low phase noise, high q, high gain amplifier in an integrated circuit
06/08/1999US5910753 For locking a local clock generated with a voltage controlled oscillator
06/08/1999US5910742 Circuit and method for data recovery
06/08/1999US5910741 PLL circuit with non-volatile memory
06/08/1999US5910740 Phase locked loop having memory
06/03/1999WO1999019985A9 Externally-synchronized voltage-controlled oscillator in phase locked loop
06/03/1999WO1999009654A3 Method for performing phase comparison, and phase comparator
06/02/1999EP0920194A1 Pll circuit for digital display device
06/02/1999EP0920117A2 Phase control device for the inverter of an oscillating circuit
06/02/1999EP0919905A1 Clock supplying method and information processing apparatus
06/02/1999EP0919084A2 Digital communication device
06/02/1999CN1218588A Electric bridge stabilizing oscillator circuits and method therefor
06/02/1999CN1218332A Synchronous circuit having circuit for detecting phase error at center of reference signal
06/01/1999US5909474 Phase-locked loop system
06/01/1999US5909473 Bit synchronizing circuit
06/01/1999US5909150 System and method for improving the regulation of a supply voltage for a controllable oscillator using feed forward control techniques
06/01/1999US5909149 Multiband phase locked loop using a switched voltage controlled oscillator
06/01/1999US5909148 For recovering a carrier from an input signal
06/01/1999US5909144 Digital method and apparatus for reducing EMI emissions in digitally-clocked systems
06/01/1999US5909130 Digital lock detector for phase-locked loop
05/1999
05/27/1999WO1999026344A1 Phase locked loop with fast start-up circuitry
05/26/1999EP0918396A1 Phase locked loop circuit, reproduction apparatus and phase locking method
05/26/1999CN1217610A Phase-locked loop circuit, reproducing apparatus and phase-locking method
05/26/1999CN1217493A Clock supply method and information processing apparatus
05/25/1999US5907587 Method and apparatus for clock recovery
05/25/1999US5907263 Bias current calibration of voltage controlled oscillator
05/25/1999US5907253 Fractional-N phase-lock loop with delay line loop having self-calibrating fractional delay element
05/20/1999WO1999025068A1 Phase-locked loop with improvements on phase jitter, mtie, tracking speed and locking speed
05/20/1999WO1999025067A1 Phase locked loop charge pump circuit
05/20/1999WO1999025066A1 Phase lock loop for synchronous reference clocks
05/20/1999WO1999018670A3 Automatic tuning of an integrated oscillator
05/20/1999DE19748885A1 Phasenregelschleife mit Verbesserungen des Phasen-Jitters, MTIEs, der Folgegeschwindigkeit und der Einrastgeschwindigkeit Phase locked loop with improvements to the phase jitter, MTIEs, the follow-up speed and the Einrastgeschwindigkeit
05/19/1999EP0917292A2 Dual-loop phase-locked loop
05/19/1999EP0917290A2 Pulse generator
05/19/1999EP0916189A1 Phase and frequency detector circuit
05/19/1999CN2319959Y Quick scanning locking device with low S/N ratio lower phaselocked loop
05/19/1999CN1217113A D. T. R. M. Data timing recovery module
05/19/1999CN1217097A Multiple input frequency locked loop
05/18/1999US5905412 Method of generating an oscillating clock signal
05/18/1999US5905411 Numerically controlled oscillator circuit
05/18/1999US5905410 Lock/unlock indicator for PLL circuits
05/18/1999US5905391 Electrical component interface system
05/18/1999US5905388 Frequency synthesizer
05/18/1999CA2137010C Subscriber unit for wireless digital subscriber communication system
05/14/1999WO1999023822A1 High definition television vestigial sideband receiver
05/14/1999WO1999023821A1 Network for eliminating dc offset in a received hdtv signal
05/14/1999WO1999023815A1 Segment sync recovery network for an hdtv receiver
05/12/1999EP0915570A2 Sampling PLL for high resolution radar systems
05/12/1999EP0915569A1 Method and apparatus for fast recovery from loss of lock in a phase locked loop
05/12/1999EP0915568A2 Phase locked loop
05/12/1999EP0914716A2 Frequency synthesizer, particularly for use in a channel ic for hard disks
05/12/1999EP0914715A1 Process and device for locking-in a yig-tuned oscillator
05/12/1999EP0914714A2 Receiver having a phase-locked loop
05/12/1999EP0914713A1 Power-up detector for low power systems
05/12/1999EP0914712A1 Digital phase locked loop
05/12/1999EP0855102A4 Compensated delay locked loop timing vernier
05/12/1999DE19850476A1 Integrated circuit with follower synchronization PLL circuit
05/11/1999US5903748 Method and apparatus for managing failure of a system clock in a data processing system
05/11/1999US5903620 System switching circuit based on phase matching
05/11/1999US5903522 Free loop interval timer and modulator
05/11/1999US5903197 Phase-locked loop circuit
05/11/1999US5903196 Self centering frequency multiplier
05/11/1999US5903195 Automatically ranging phase locked loop circuit for microprocessor clock generation
05/11/1999US5903194 Digital phase modulation of frequency synthesizer using modulated fractional division
05/06/1999WO1999022482A1 Clock recovery circuit
05/06/1999WO1999022450A1 Digital frequency synthesis by sequential fraction approximations
05/06/1999WO1999022449A1 Frequency synthesizer using double resolution fractional frequency division
05/06/1999WO1999022448A1 Oscillator control
05/06/1999EP0914010A2 Clock signal generation apparatus
05/06/1999EP0913963A2 Timing phase synchronization detecting circuit and demodulator
05/06/1999EP0913948A1 Microwave signal amplitude control method for an atomic clock and locking device for implementing the method
05/06/1999EP0913947A2 Phase-locked loop
05/06/1999EP0913946A2 Frequency synthesiser for a mobile terminal
05/06/1999CA2252241A1 Method and apparatus for fast recovery from loss of lock in a phase locked loop
05/04/1999US5901190 Digital delay locked loop circuit using synchronous delay line
05/04/1999US5901173 Noise Estimator
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