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)
01/1997
01/14/1997US5594390 Reduced area, first order R-C filters using current conveyors
01/14/1997US5594389 Carrier regeneration circuit including area judging device
01/14/1997US5594361 Logic gate with controllable hysteresis and high frequency voltage controlled oscillator
01/09/1997WO1997001216A1 Differential transconductor voltage controlled oscillator
01/08/1997EP0752761A2 Transceiver circuits for TDMA system with variable frequency second local oscillator
01/08/1997CN1033778C Microwave oscillator with improved phase noise characteristic
01/07/1997US5592515 Fully digital data separator and frequency multiplier
01/07/1997US5592129 High resolution, large multiplication factor digitally-controlled frequency multiplier
01/07/1997US5592126 Multiphase output oscillator
01/07/1997US5592125 Modified bang-bang phase detector with ternary output
01/07/1997US5592120 Charge pump system
01/07/1997US5592113 Phase-locked loop device
01/07/1997US5592110 Phase comparison circuit for maintaining a stable phase locked loop circuit in the absence of the pulse of an input signal
01/07/1997US5592109 For detecting a phase difference
01/07/1997CA2122643C Pll frequency synthesizer capable of changing an output frequency at a high speed
01/07/1997CA2036135C Phase locked loop including non-integer multiple frequency reference signal
01/02/1997EP0648391B1 Synchronous tracking am receiver
01/02/1997DE19625225A1 Timer for use in IC test unit for producing time signals with higher time resolution
01/02/1997DE19523186A1 Combined frequency and phase regulation loop, esp. for gigabit signals
01/01/1997CN1139507A Circuit for the acquisition of a carrier signal by applying a substitute pilot to a synchronous demodulator
12/1996
12/31/1996US5590163 Frequency divider circuit, frequency synthesizer comprising such a divider and radio telephone comprising such a synthesizer
12/31/1996US5589802 Circuit for detecting the absence of an external component
12/31/1996US5589801 Phase comparator circuit and phase synchronization circuit
12/31/1996US5589795 In a digital phase lock circuit
12/27/1996WO1996042170A1 Symbol timing recovery circuit and method
12/27/1996EP0750403A2 Radio transmitter/receiver
12/27/1996EP0749646A1 A phase error processor circuit with a comparator input swapping technique
12/24/1996US5587709 High speed serial link for fully duplexed data communication
12/24/1996US5587690 Ring resonator oscillator usable in frequency synthesizers and communication apparatus
12/19/1996WO1996041419A1 Digitally controlled oscillator for a phase-locked loop
12/19/1996WO1996041418A1 Digital phase detector employing a digitally controllable delay line
12/17/1996US5585754 Integrated digital circuit
12/12/1996WO1996039745A1 Tuner for digital satellite receiver
12/12/1996WO1996039714A1 Method for reducing a transient thermal mismatch
12/11/1996EP0746925A1 Standing sine wave clock bus for clock distribution systems
12/11/1996CN1033548C Method and apparatus for stand by recovery in phase locked loop
12/10/1996US5583466 Reference oscillator controlling device in very small aperture terminal
12/10/1996US5583458 Phase detector with edge-sensitive enable and disable
12/05/1996WO1996038913A1 Voltage controlled oscillator including voltage controlled delay circuit with power supply noise isolation
12/04/1996EP0746124A2 Digital phase synchronous circuit and data receiving circuit including the same
12/04/1996EP0746114A1 Frequency modulated radio transmitter
12/04/1996EP0746111A1 Phase-locked loop for clock recovery
12/04/1996EP0746110A1 Method for phase locking and loop applying this method
12/04/1996EP0745288A1 Phase-locked loop for signals having rectangular waveforms
12/04/1996CN1137197A Method for generating synchronized clock using circuit arrangement for controllable oscillator
12/04/1996CN1033481C Atomic frequency standard
12/03/1996US5581584 PLL circuit
12/03/1996US5581215 Voltage controlled oscillator having frequency and amplitude controlling loops
12/03/1996US5581214 Phase-locked loop circuit
12/01/1996CA2177536A1 Frequency modulation radio transmission device
11/1996
11/28/1996WO1996037961A1 Method and apparatus for dielectric absorption compensation
11/28/1996WO1996037952A1 Phase shifter for use in a quadrature clock generator
11/28/1996DE19620865A1 Frequency divider
11/27/1996EP0744095A1 Continuous phase modulation device using a frequency synthesizer with a phase-locked loop
11/27/1996CN1136868A Lock alarm circuit for frequency synthesizer
11/26/1996US5579353 Dynamic clock mode switch
11/26/1996US5579352 For extracting synchronized data from a binary input signal
11/26/1996US5579351 Jitter suppression circuit
11/26/1996US5579348 Method and apparatus for improving the apparent accuracy of a data receiver clock circuit
11/26/1996US5579184 Playback clock signal generating circuit which uses a first and second phase lock loop
11/26/1996US5578968 Frequency converter, multistage frequency converter and frequency synthesizer utilizing them
11/21/1996WO1996037044A1 Very low noise, wide frequency range phase lock loop
11/21/1996WO1996037043A1 Low noise, low voltage phase lock loop
11/20/1996EP0743746A2 Digitally synchronized sweep signal source
11/20/1996EP0742974A1 Phase locked loop controlled frequency synthesizer for use in frequency hopping
11/20/1996EP0474673B1 Current reduction of a synthesizer
11/20/1996CN1033349C An adaptive phase locked loop
11/20/1996CA2174884A1 Trainable rf transceiver with improved phase-locked loop circuit
11/20/1996CA2174881A1 Trainable transceiver including a dynamically tunable antenna
11/19/1996US5577086 Clock signal generation circuit capable of operating at high speed with high frequency
11/19/1996US5577080 Digital phase-locked loop circuit with filter coefficient generator
11/19/1996US5577079 Phase comparing circuit and PLL circuit
11/19/1996US5577078 Edge detector
11/19/1996US5576904 Timing gradient smoothing circuit in a synchronous read channel
11/19/1996US5576771 Horizontal picture compression in widescreen television receivers
11/19/1996US5576666 Fractional-N frequency synthesizer with temperature compensation
11/19/1996US5576665 Method and device for phase-shifting a phase locked loop output signal
11/19/1996US5576664 Discrete time digital phase locked loop
11/19/1996US5576647 Charge pump for phase lock loop
11/13/1996EP0741931A1 Phase-locked loop, phase comparator for use in the phase-locked loop, and reproducing device including the phase-locked loop
11/13/1996EP0566640B1 Tuning means for resonance module
11/13/1996CN1135684A Method for calculating frequency-dividing ratio in numeral phase-locked loop and apparatus thereof
11/12/1996US5574998 Automatic frequency control circuit for control of reference oscillator in communication apparatus
11/12/1996US5574757 Phase-locked loop circuit having a timing holdover function
11/12/1996US5574756 Method for generating digital communication system clock signals & circuitry for performing that method
11/12/1996US5574515 Voltage controlled oscillator circuit and automatic fine tuning circuit for TV
11/12/1996US5574455 Digital to analog converter and frequency synthesizer using the converter
11/12/1996US5574454 Digital phase-locked loop utilizing a high order sigma-delta modulator
11/12/1996US5574407 Phase lock loop with error consistency detector
11/12/1996US5574406 Phase lock loop with error measurement and correction in alternate periods
11/12/1996US5574405 Low noise amplifier/mixer/frequency synthesizer circuit for an RF system
11/11/1996CA2176072A1 Method and apparatus for achieving fast phase settling in a phase locked loop
11/07/1996WO1996031951A3 A loop filter of a phase-locked loop
11/06/1996EP0741473A1 Transmission system with clock recovery circuit
11/06/1996EP0435881B1 Sample-and-hold phase detector for use in a phase locked loop
11/06/1996CN1135118A Ring oscillator with frequency control loop
11/05/1996US5572558 PID loop filter for timing recovery in a sampled amplitude read channel
11/05/1996US5572557 Semiconductor integrated circuit device including PLL circuit
11/05/1996US5572545 Process for starting up a modem containing a variable-phase echo canceller and modem in which such a process is implemented
11/05/1996US5572169 Temperature-compensated piezoelectric oscillator
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