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)
06/1990
06/19/1990CA1270535A1 Tristate phase-lock loop prevents false lock
06/19/1990CA1270531A1 Phase-locked loop frequency synthesizer
06/14/1990WO1990006629A1 Continuously adaptive phase locked loop synthesizer
06/14/1990WO1990006625A1 Service for phase correction induced by the class c operation of a 'solid state' amplifier and chain radar system using such device
06/12/1990US4933974 Switched capacitor pilot phase and magnitude detector
06/12/1990US4933782 Digital phase lock device
06/06/1990EP0371790A2 Continuously adaptive phase locked loop synthesizer
06/06/1990EP0214217B1 Improvement in or relating to synthesisers
06/05/1990US4932073 Transmitter having PLL circuit
06/05/1990US4932041 Circuit for obtaining a bit-rate clock signal from a serial digital data signal
06/05/1990US4931986 Computer system clock generator for generating tuned multiple clock signals
06/05/1990US4931749 Phase locked loop sweep frequency synthesizer
06/05/1990US4931748 Integrated circuit with clock generator
06/05/1990US4930901 Method of and apparatus for modulating a laser beam
05/1990
05/31/1990WO1990006017A1 Frequency multiplier with non-integer feedback divider
05/30/1990EP0370877A1 Correction device for phase displacement induced by the functioning of a "solid state" amplifier in class C, and radar chain using such a device
05/30/1990EP0370170A2 Signal generator utilizing a combined phase locked and frequency locked loop
05/30/1990EP0370169A2 Signal generator utilizing a combined phase locked and frequency locked loop
05/29/1990US4930142 Digital phase lock loop
05/29/1990US4930003 Burst/continuous wave converting apparatus for converting continuous wave in response to bursts
05/29/1990US4929918 Setting and dynamically adjusting VCO free-running frequency at system level
05/29/1990US4929917 Phase-locked loop circuit
05/29/1990US4929916 Circuit for detecting a lock of a phase locked loop
05/29/1990US4929849 Noise suppression in recovery of clock from NRZ data
05/29/1990CA1269724A1 Phase-locked loop circuit
05/25/1990CA2003721A1 Device for correcting the phase variations resulting from the class c operation of a solid state amplifier and radar network using such a device
05/23/1990EP0369660A2 Microwave frequency synthesizer with a frequency offset generator
05/23/1990EP0369628A2 Phase locked loop for clock extraction in gigabit rate data communication links
05/23/1990EP0369047A1 Arrangement for commuting a clock on a clock with the same frequency but lagging in phase
05/22/1990US4928314 Heterodyne stage having precise closed-loop control of the amplitude of the injection signal thereof
05/22/1990US4928075 Multiple bandwidth filter system for phase locked loop
05/22/1990CA1269452A1 Controlled oscillator
05/16/1990CN1042262A Phase discrimination and data separation method and apparatus
05/15/1990US4926447 Phase locked loop for clock extraction in gigabit rate data communication links
05/15/1990US4926141 Frequency synthesizer with improved automatic control of loop bandwidth selection
05/15/1990US4926140 High gain zero offset linear phase detector apparatus
05/15/1990CA2002733A1 Arrangement for switching over a clock pulse to a clock pulse of the same frequency but with lagging clock phase
05/15/1990CA1269137A1 Method and device for phase-locking synchronous digital trains
05/09/1990EP0367548A2 Sync detection circuit for phase-locked loop having frequency divider
05/09/1990EP0367378A2 Digital phase locked loop
05/09/1990EP0367077A2 Frequency, phase and modulation control system which is especially useful in simulcast transmission systems
05/09/1990EP0366975A2 Method and apparatus for frequency control of multiple oscillators using a single frequency-locked-loop
05/03/1990DE3837246A1 Frequency generator
05/02/1990EP0366326A2 Apparatus for low skew system clock distribution and generation of 2x frequency clocks
05/01/1990US4922548 Frequency signal synthesiser
05/01/1990US4922209 Clock recovery device
05/01/1990US4922141 Phase-locked loop delay line
05/01/1990US4922139 Filter circuit for generating a VCO control voltage responsive to the output signals from a frequency/phase discriminator
04/1990
04/25/1990EP0365257A2 Phase correcting clock circuit
04/25/1990EP0364679A1 Frequency synthesizer apparatus
04/24/1990US4920322 Voltage controlled r-c oscillator and phase locked loop
04/24/1990US4920320 Phase locked loop with optimally controlled bandwidth
04/24/1990US4920278 For comparing two input signals
04/19/1990DE3920330A1 Data demodulation circuit for RDS receiver - has phase locked loop(s) for radio data signal demodulation and clock pulse signal generator
04/19/1990DE3836281C1 Frequency demodulator
04/19/1990DE3724490A1 Method and circuit for frequency regulation of signals
04/17/1990US4918748 Apparatus and method for phase noise and post tuning drift cancellation
04/17/1990US4918407 Oscillation circuit
04/17/1990US4918405 Signal generator utilizing a combined phase locked and frequency locked loop
04/17/1990US4918404 Phase locked loop with self-adjusting circuit for oscillator working point
04/17/1990US4918403 Frequency synthesizer with spur compensation
04/11/1990EP0363226A2 Coherent demodulating arrangement for use in digital radio communications system
04/11/1990EP0363205A2 FM tuner having phase locked loop FM demodulation circuit
04/11/1990EP0362491A2 Method and circuit arrangement for measuring jitter modulation in digital signals containing zeros
04/11/1990CN1041253A Phase synchronising circuit of picture signal receiving device and method of same
04/10/1990US4916412 Voltage-controlled oscillator using a phase control loop for establishing an accurate idling frequency and temperature stabilized control sensitivity
04/10/1990US4916403 Digital phase-locked loop system
04/10/1990CA1267699A1 Multiple frequency digital phase locked loop
04/05/1990WO1990003693A1 Sample-and-hold phase detector for use in a phase locked loop
04/04/1990EP0361746A2 Automatic phase controlling circuit
04/03/1990US4914695 Method and apparatus for frequency control of multiple oscillators using a single frequency-locked-loop
04/03/1990US4914405 Frequency synthesizer
04/03/1990US4914404 Method for synchronization of a signal frequency to interference-prone reference signal frequencies
04/03/1990US4914403 Cesium oscillator
04/03/1990US4914401 Implementation and control of filters
03/1990
03/28/1990EP0360442A1 Frequency sythesizer
03/28/1990EP0360157A2 Oscillation circuit
03/28/1990CN1007397B Frequency synthesizer of radio broadcast telephone system with multi-allotable frequency channels
03/27/1990US4912729 Phase-locked-loop circuit and bit detection arrangement comprising such a phase-locked-loop circuit
03/27/1990US4912434 Digital control for analog phase locked loop
03/27/1990US4912433 VCO controlled by separate phase locked loop
03/27/1990US4912432 Plural feedback loop digital frequency synthesizer
03/27/1990CA1267194A1 Charge pump for use in a phase-locked loop
03/21/1990EP0359573A2 Apparatus for recovering data recorded on a magnetic storagemedium
03/20/1990US4910473 Digitally temperature-compensated oscillator
03/20/1990US4910470 Digital automatic frequency control of pure sine waves
03/14/1990EP0357996A1 Frequency modulator utilizing frequency synthesizer
03/14/1990CN1040466A Phase-sampling frequency composing device
03/14/1990CN1007182B Wide range digital phase/frequency detector
03/13/1990US4908842 Flash synchronized gated sample clock generator
03/13/1990US4908582 AFC circuit for producing a ripple-free oscillator control voltage
03/13/1990US4908532 Quadrature signals generator
03/07/1990EP0357374A2 Phase-locked loop
03/07/1990EP0357080A2 Phase synchronizing circuit in video signal receiver and method of establishing phase synchronization
03/07/1990EP0356549A1 Method and circuit for digitally controlling the phase of sampling clock pulses
03/07/1990EP0356548A1 Method and circuit for digitally controlling the frequency and/or the phase of sampling clock pulses
03/07/1990CN1007112B Frequency synthesizer circuit for generating analog of digitally step-adjustable frequency
03/07/1990CN1007110B Amplifier arrangement
03/06/1990US4906945 Millimeter-wave/submillimeter-wave oscillator
03/06/1990US4906944 Integrator controlled time compensated clock oscillator
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