Patents for H03L 7 - Automatic control of frequency or phase; Synchronisation (37,643)
09/1994
09/15/1994WO1994020888A2 Radio frequency telecommunications transceiver
09/15/1994WO1994015401A3 Digitally controlled phase shifter
09/15/1994DE4403374A1 Synchronizing pulse generator circuit
09/14/1994EP0615360A2 Clock synchronizing circuit
09/14/1994EP0615343A1 Circuit arrangement for generating a tuning voltage
09/13/1994US5347559 Apparatus and method of data transfer between systems using different clocks
09/13/1994US5347558 Input frequency converter to increase input frequency range of a synchronous delay line
09/13/1994US5347240 Circuit and method for automatically controlling the carrier frequency of a video recording device
09/13/1994US5347234 Digital voltage controlled oscillator
09/13/1994US5347233 PLL circuit apparatus and phase difference detecting circuit apparatus
09/13/1994US5347232 Phase locked loop clock generator
09/13/1994US5347176 Analog ramp generator with digital correction
09/08/1994DE4406834A1 Phase-locked loop circuit
09/07/1994EP0614283A1 Phase lock loop circuit using a sample and hold switch circuit
09/07/1994EP0614282A1 Low noise charge pump having low consumption and frequency synthesiser equipped with such
09/07/1994EP0614281A2 Digital high speed algorithmic data recovery method and apparatus
09/07/1994EP0614275A2 VCO bias generator in a phase lock loop
09/06/1994US5345193 Phase locked loop with loop gain stabilization circuit
09/06/1994US5345186 Retriggered oscillator for jitter-free phase locked loop frequency synthesis
09/06/1994US5345119 Continuous-time filter tuning with a delay-locked-loop in mass storage systems or the like
09/01/1994WO1994019885A1 Single-ended pulse gating circuit
09/01/1994WO1994019871A1 A frequency synthesizer employing a continuously adaptive phase detector and method
08/1994
08/31/1994EP0613255A1 Microwave generator using optical injection locking
08/31/1994EP0613254A1 Frequency synthesizer
08/31/1994EP0613253A1 Digital phase comparators
08/31/1994EP0613250A1 Phase correction circuit for the output signals of a frequency divider
08/31/1994EP0613246A1 Wide-range variable delay line and ring oscillator
08/31/1994EP0613245A1 Digital phase shifter
08/30/1994US5343170 Voltage controlled oscillator provided with negative feedback biasing
08/30/1994US5343169 Frequency locked loop
08/30/1994US5343168 Harmonic frequency synthesizer with adjustable frequency offset
08/30/1994US5343167 One-shot control circuit for tracking a voltage-controlled oscillator
08/30/1994US5343097 Phase comparator circuit and phase locked loop (PLL) circuit using the same
08/26/1994CA2116173A1 Frequency synthesizer
08/23/1994US5341110 Low phase noise reference oscillator
08/23/1994US5341105 Quadratore demodulator circuit utilizing automatic frequency control signal and method thereof
08/23/1994US5340980 Frequency discriminator with fiber optic delay line
08/23/1994CA2004842C Phase-lock loop circuit with improved output signal jitter performance
08/21/1994CA2115486A1 Microwave generator and use thereof
08/18/1994DE4326213C1 Device for contactless signal and power transmission
08/18/1994DE4326062C1 Phase shift control arrangement
08/18/1994DE4320087C1 Control generator with phase-locked loop
08/17/1994EP0611134A1 Wide band, low noise, fine step tuning, phase locked loop frequency synthesizer
08/17/1994EP0611058A2 A current-controlled oscillator
08/17/1994EP0610995A2 PLL frequency synthesizer, in particular for frequency hopping systems with direct frequency modulation
08/17/1994EP0610990A2 Digital phase-locked loop
08/17/1994EP0610683A2 Digital timing recovery circuit
08/17/1994EP0515376B1 Process and device for beat recovery
08/16/1994US5339408 Method and apparatus for reducing checking costs in fault tolerant processors
08/16/1994US5339278 Method and apparatus for standby recovery in a phase locked loop
08/16/1994US5339050 Frequency synthesizing phase lock loop with unvarying loop parameters
08/16/1994US5339049 Ultra low noise frequency divider/multiplier
08/16/1994CA2020119C Digital word output high-pass filter apparatus
08/12/1994CA2089307A1 Digital correction of vcr head skip for multimedia video capture devices
08/11/1994DE4303806A1 Programmable frequency divider
08/10/1994EP0610052A2 Method and apparatus for timing control
08/10/1994EP0609969A2 Synchronous delay line
08/10/1994EP0609967A2 Apparatus for detecting phase errors
08/10/1994EP0527167B1 Phase control circuit
08/10/1994CN1025647C Data transmission system receiver having phase-independent bandwidth control
08/09/1994US5337335 Phase locked loop with frequency deviation detector and decoder circuit comprising such a phase locked loop
08/09/1994US5337334 Synchronous digital signal to asynchronous digital signal desynchronizer
08/09/1994US5337024 Phase locked loop frequency modulator using fractional division
08/09/1994US5337022 Harmonic lock detector
08/09/1994US5336940 Delay-compensated output pad for an integrated circuit and method therefor
08/04/1994WO1994017592A1 Retriggered oscillator for jitter-free phase locked loop frequency synthesis
08/03/1994EP0608704A2 Circuit arrangement for frequency division by a non integer number
08/03/1994EP0608680A2 Temperature-stabilised oscillator circuit comprising heating elements acted on from the exterior
08/03/1994CN1090449A Power saving frequency synthesizer with fast pull-in feature
08/03/1994CN1090443A Frequency synthesizer for quick returning
08/02/1994US5335365 Frequency synthesizer with VCO output control
08/02/1994US5335364 Circuit arrangement for automatic frequency control in a radio telephone
08/02/1994US5335018 Digital phase-locked loop
08/02/1994US5334954 Phase locked loop circuit
08/02/1994US5334953 Charge pump bias control in a phase lock loop
08/02/1994US5334952 Fast settling phase locked loop
08/02/1994US5334951 Phase lock loops and methods for their operation
07/1994
07/30/1994CA2114363A1 Temperature-stabilized oscillator circuit having heating elements that can be externally influenced
07/27/1994EP0608151A2 A high speed and low drift charge pump circuit
07/27/1994EP0608024A1 Transmissionsystem with clock recovery
07/26/1994US5332978 Frequency synthesizer
07/26/1994US5332930 Phase locked loop circuitry with variable gain and bandwidth
07/21/1994CA2113766A1 Transmission system comprising timing recovery
07/20/1994EP0606979A2 CMOS multi-tap digital delay line with non-inverting taps
07/20/1994EP0606941A1 Apparatus for the synchronisation of a local carrier in OFDM systems
07/20/1994EP0606779A2 Improved phase comparator
07/20/1994EP0606772A1 Charge pump circuit
07/19/1994US5331294 Oscillation circuit including a ring oscillator having a changeable number of inverter circuits
07/19/1994US5331293 Compensated digital frequency synthesizer
07/19/1994US5331292 Autoranging phase-lock-loop circuit
07/19/1994US5331253 Electronic ballast for gaseous discharge lamp operation
07/19/1994US5331230 Integrated-circuit sampled-and-hold phase detector with integrated current setting resistor
07/12/1994US5329560 AGC circuit with non-linear gain for use in PLL circuit
07/12/1994US5329559 Phase detector for very high frequency clock and data recovery circuits
07/12/1994US5329256 Tunable oscillator having a non-reflective saw resonator
07/12/1994US5329254 Semiconductor integrated circuit having clock signal generator
07/12/1994US5329253 Frequency synthesis using frequency controlled carrier modulated with PLL feedback signal
07/12/1994US5329252 Slew-rate limited voltage controlled oscillator control voltage clamp circuit
07/12/1994US5329251 Multiple biasing phase-lock-loops controlling center frequency of phase-lock-loop clock recovery circuit
07/12/1994US5329250 Double phase locked loop circuit