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)
04/1996
04/16/1996US5508660 Charge pump circuit with symmetrical current output for phase-controlled loop system
04/16/1996US5508659 Single loop frequency synthesizer with direct digital synthesis
04/16/1996CA1338249C Generation of wideband linear frequency modulation signals
04/09/1996US5506982 Data processing system generating clock signal from an input clock, phase locked to the input clock and used for clocking logic devices
04/09/1996US5506875 Method and apparatus for performing frequency acquisition in all digital phase lock loop
04/09/1996US5506874 Phase detector and method
04/09/1996US5506627 Phase locked loop chain for locking audio sampling to serial digital component vide timing
04/09/1996US5506531 Phase locked loop circuit providing increase locking operation speed using an unlock detector
04/09/1996US5506530 Method for promoting activation of a phase-locked loop and corresponding loop
04/09/1996US5506529 Adjustable frequency synthesizer
04/04/1996WO1996010296A1 Phase-locked loop, phase comparator for use in the phase-locked loop, and reproducing device including the phase-locked loop
04/04/1996WO1996010254A2 Improved timing recovery for synchronous partial response recording
04/03/1996EP0705003A2 Refined timing recovery circuit
04/03/1996EP0704977A2 Phase detector with no dead zone
04/03/1996EP0704976A1 Phase-locked loop control circuit and method
04/03/1996EP0704975A1 Digital phase locked loop having coarse and fine stepsize variable delay lines
04/03/1996EP0704117A1 Compensated digital frequency synthesizer
04/03/1996CN1119767A Optical disc apparatus
04/02/1996US5504790 For receiving a sequence of digital samples
04/02/1996US5504464 Frequency modulating system including clamp and transconductance amplifier
04/02/1996US5504463 Frequency modulating system including VCD made of transconductance amplifiers
04/02/1996US5504459 Filter network for phase-locked loop circuit
03/1996
03/27/1996EP0703673A2 Apparatus for distributing a multitude of identical, periodic signals, which are phaseshifted against each other
03/27/1996EP0703672A2 Digital-controlled oscillator
03/27/1996EP0702862A1 Process for enhancing the noise immunity of a phase-locked loop and device for applying same.
03/26/1996US5502751 Digital phase locked loop
03/26/1996US5502711 Dual digital phase locked loop clock channel for optical recording
03/26/1996US5502418 Voltage-controlled oscillating circuit
03/26/1996US5502411 Frequency synthesizer
03/21/1996WO1996008883A1 Dual-mode satellite/cellular phone with a frequency synthesizer
03/21/1996DE19532910A1 Voltage-controlled oscillator with phase-locked loop
03/20/1996CN1118955A Phase comparing circuit and PLL circuit
03/20/1996CN1118900A Improved reset signal generation method and aparatus for use with a microcomputer
03/19/1996US5500627 Precision duty cycle phase lock loop
03/14/1996WO1996008084A1 Atomic time standard with piezoelectric stabilization of diode laser light source
03/14/1996WO1996008083A1 Microwave transmitter and communications system
03/14/1996WO1996003808A3 Digital phase locked loop
03/14/1996DE4417115C1 Jitter measuring circuit for cable television system
03/14/1996DE19534516A1 Schnell einrastender Phasenregelkreis Quick snap on phase-locked loop
03/14/1996DE19531962A1 Clock signal distribution circuit for semiconductor implementation
03/13/1996EP0701330A1 DPLL and destuffing circuit using the same
03/13/1996EP0701329A2 Phase locked loop with low power feedback path and method of operation
03/13/1996EP0701323A2 Resistorless voltage controlled oscillator
03/13/1996EP0700600A1 Digital controlled xtal osc
03/13/1996EP0700527A1 Gps synchronized frequency/time source
03/13/1996CN1118642A Frequency synthesizer
03/13/1996CN1031305C Analog macro embedded in digital gate array
03/12/1996US5498998 Method for adjusting the output frequency of a frequency synthesizer
03/07/1996WO1996007261A1 Method of programming a frequency synthesizer and a radio having a frequency synthesizer
03/07/1996WO1996007240A1 Compensated phase locked loop for generating a controlled output clock signal
03/07/1996CA2198101A1 Compensated phase locked loop for generating a controlled output clock signal
03/06/1996EP0700163A2 Method and apparatus for reducing jitter in a phase locked loop circuit
03/06/1996EP0700045A2 Reference clock generation circuit
03/06/1996EP0699369A1 Apparatus and methods for improving timing recovery of a system clock
03/05/1996US5497509 FM-PM receivers with increased sensitivity
03/05/1996US5497402 Automatic frequency control device for satellite communications ground system
03/05/1996US5497202 Automatic digital frequency control circuit
03/05/1996US5497152 Digital-to-digital conversion using non-uniform sample rates
03/05/1996US5497127 Wide frequency range CMOS relaxation oscillator with variable hysteresis
03/05/1996US5497126 Phase synchronization circuit and method therefor for a phase locked loop
02/1996
02/28/1996EP0698970A1 Digital transmission system comprising a double synchronising loop
02/28/1996EP0698969A1 Phase comparing circuit and PLL circuit
02/28/1996EP0698968A1 Process to synchronise the output frequencies of a clock generator
02/28/1996EP0698314A1 An oscillator with switched reactive elements
02/28/1996EP0698313A1 Method for starting a radio transmitter and a radio transmitter
02/28/1996CN1117775A Apparatus and method for controlling the loop bandwidth of a phase locked loop
02/28/1996CN1117672A PLL Frequency synthesizer
02/28/1996CN1117667A Switched capacitor bandpass filter for detecting pilot signal
02/28/1996CN1117606A Apparatus and method for generating a clock in a microprocessor
02/27/1996US5495512 Hybrid phase locked loop
02/27/1996US5495207 Differential current controlled oscillator with variable load
02/27/1996US5495206 Fractional N frequency synthesis with residual error correction and method thereof
02/27/1996US5495205 Digital controlled oscillator and method thereof
02/22/1996WO1996005672A1 Integrable clock recovery circuit
02/22/1996WO1996005557A1 Accurate digital fault tolerant clock
02/22/1996CA2197330A1 Accurate digital fault tolerant clock
02/21/1996EP0697768A1 Logic signal transition detector generating a calibrated pulse width
02/21/1996EP0697151A1 Numerically controlled oscillator and digital phase locked loop
02/21/1996CN1117248A Digital frequency automatic adjusting circuit
02/21/1996CN1117231A 相位差和幅度校正电路 Phase and amplitude correction circuit
02/21/1996CN1117220A Clock signal regeneration method and apparatus
02/20/1996US5493713 Demodulation of FM audio carrier
02/20/1996US5493700 Automatic frequency control apparatus
02/20/1996US5493256 Phase locked signal generator to produce a clock signal in phase with a trigger
02/20/1996US5493243 Digitally controlled first order jitter attentuator using a digital frequency synthesizer
02/20/1996CA2054599C Radio transceiver having pll synthesizer
02/15/1996DE19529641A1 Phase regulating circuit with control signal generating section
02/15/1996DE19529625A1 VCO of ring type esp. for frequency source in PLL
02/15/1996DE19512858A1 Switched capacitor bandpass filter for pilot signal recognition
02/14/1996EP0696843A1 Oscillator and frequency synthesizer and communication apparatus using the oscillator
02/14/1996EP0696396A1 A multiple phase-lock-loop clock recovery circuit
02/13/1996US5491456 Oscillator compensated for improved frequency stability
02/13/1996US5491451 Method and apparatus for reduction of atomic frequency standard phase noise
02/13/1996US5491442 Multiple frequency output clock generator system
02/13/1996US5491439 Method and apparatus for reducing jitter in a phase locked loop circuit
02/08/1996WO1996003808A2 Digital phase locked loop
02/07/1996EP0696139A2 Device for the processing of digital and analog input signals
02/07/1996EP0695487A1 Composite clock signal
02/07/1996EP0695480A1 A phase lock loop with idle mode of operation during vertical blanking
02/07/1996EP0695479A1 A phase lock loop with error measurement and correction in alternate periods
1 ... 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 ... 377