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)
03/1999
03/25/1999WO1999014849A1 Circuit for producing a modulated signal
03/25/1999WO1999014759A1 Method and apparatus for adjusting the timing of signals over fine and coarse ranges
03/25/1999WO1998053554A3 Receiver having a phase-locked loop
03/25/1999DE19742170A1 Method of generating working clock in data communications system module e.g. for motor vehicle occupant restraint system
03/25/1999DE19738718A1 Oszillatorschaltung mit einem Schwingquarz Oscillator circuit having a quartz oscillator
03/24/1999EP0903885A2 Clock recovery circuit
03/24/1999EP0903860A1 PLL frequency synthesizer
03/24/1999CN1211853A Clock recovery circuit
03/23/1999US5887030 Data reproducing apparatus having equalization characteristics which can be controlled
03/23/1999US5886946 Semiconductor memory device allowing reduction in power consumption during standby
03/23/1999US5886752 Spurious free wideband phase and frequency modulator using a direct digital synthesis alias frequency band
03/23/1999US5886583 Oscillator control circuit including a phase difference change-detecting circuit
03/23/1999US5886582 Enabling clock signals with a phase locked loop (PLL) lock detect circuit
03/23/1999US5886551 Charge pump circuit for use in a phase locked loop
03/23/1999US5886536 Semiconductor tester synchronized with external clock
03/23/1999CA2093040C Frequency synthesizer using phase-locked loop
03/18/1999WO1999013594A1 Apparatus and method for radio communication
03/18/1999WO1999013582A1 Perturbation tolerant digital phase-locked loop employing phase-frequency detector
03/18/1999WO1999013581A1 Circuit for producing a signal with adjustable frequency
03/18/1999WO1999013580A1 Method to improve synthesizer settling times for small frequency steps in read channel applications
03/18/1999WO1999013579A1 Digital pll circuit with increased time resolution
03/18/1999WO1998054584A3 Two port handheld vector network analyzer with frequency monitor mode
03/18/1999DE19738914A1 Digitale PLL-Schaltung mit erhöhter Zeitauflösung Digital PLL with increased time resolution
03/17/1999EP0901717A1 A digital audio resolving apparatus and method
03/17/1999CN1211361A Transmission system and recording system having a simplified symbol detector
03/16/1999US5883930 Digital PLL circuit and actuating method
03/16/1999US5883826 Memory block select using multiple word lines to address a single memory cell row
03/16/1999US5883534 Waveform shaping device and clock supply apparatus
03/16/1999US5883533 Clock signal generating device having a redundant configuration
03/16/1999CA2153273C Ring oscillator with frequency control loop
03/16/1999CA2107771C Multiple accumulator fractional n synthesis with series recombination
03/11/1999WO1999012255A1 Oscillatory circuit with piezoelectric quartz
03/11/1999WO1998058451A3 Digital communication device
03/11/1999DE19739645A1 Clock signal or carrier signal recovery circuit for digital data signal
03/10/1999EP0901226A2 Digital controlled oscillation circuit and PLL circuit
03/10/1999EP0900481A2 A frequency conversion circuit
03/10/1999EP0900479A1 Highly stable frequency synthesizer loop with feedforward
03/10/1999CN1210423A Circuits and systems for generating and communicating advanced television signals
03/10/1999CN1210398A Carrier control loop for receiver of digitally transmitted signals
03/10/1999CN1210396A Clock extraction circuit
03/09/1999US5881114 Error detecting circuit of a system time clock for an MPEG system decoder
03/09/1999US5881113 Redundancy clock supply module for exchange system
03/09/1999US5881111 Frequency sweep circuit
03/09/1999US5881110 Carrier phase synchronization by reverse playback
03/09/1999US5880642 Programmable frequency synthesizer having a low sensitivity to phase noise
03/09/1999US5880634 Wide band-width operational amplifier
03/09/1999US5880612 Signal de-skewing using programmable dual delay-locked loop
03/09/1999US5880579 VCO supply voltage regulator for PLL
03/04/1999WO1999010983A1 Charge pump steering systems and methods for loop filters of phase locked loops
03/04/1999WO1998055923A3 A hardware design for majority voting, and testing and maintenance of majority voting
03/03/1999EP0899883A1 Pll circuit with masked phase error signal
03/03/1999EP0899717A2 Phase-locked loop circuit
03/03/1999EP0899637A1 Spacecraft disciplined reference oscillator
03/03/1999EP0674817B1 Low power electronic circuit comprising a resonant system and a function circuitry
03/03/1999CN1209692A Clock generator
03/02/1999US5878101 Swallow counter with modulus signal output control
03/02/1999US5878097 Signal processing delay circuit
03/02/1999US5877658 Phase locked loop
03/02/1999US5877657 PLL clock generator having trimmable frequency dividers
03/02/1999US5877656 Programmable clock generator
03/02/1999US5877641 Clock generator and phase comparator for use in such a clock generator
03/02/1999US5877640 Device for deriving a clock signal from a synchronizing signal and a videorecorder provided with the device
02/1999
02/25/1999WO1999009654A2 Method for performing phase comparison, and phase comparator
02/24/1999EP0898394A2 Method and device for synchronisation of two clock signals and a signal processor
02/24/1999EP0898373A1 Compensation method for control systems, namely with high delay, and corresponding compensation control system
02/24/1999EP0898372A2 Process and apparatus for adjusting the frequency of an oscillator
02/24/1999EP0898371A2 Process and apparatus for adjusting the frequency of an oscillator
02/24/1999EP0898217A2 Circuit for switching digital signals without glitches
02/24/1999EP0897616A1 Frequency synthesizer with temperature compensation and frequency multiplication and method of providing the same
02/24/1999CN1209229A Device for synchronising digital receiver
02/24/1999CN1209228A Voltage controlled crystal oscillator and loop filter
02/24/1999CN1208996A Charge pumping circuit and PLL frequency synthesizer
02/23/1999US5875219 Phase delay correction apparatus
02/23/1999US5875218 Variable rate clock for timing recovery and method therefor
02/23/1999US5874863 Phase locked loop with fast start-up circuitry
02/23/1999US5874862 Phase-locked loops having two amplifiers for driving a vco
02/23/1999US5874846 Circuit for generating an output clock signal
02/23/1999CA2131104C Signal processing device having pll circuits
02/23/1999CA2106239C Slew-rate limited voltage controlled oscillator clamp circuit
02/18/1999WO1999008386A1 Parallel accumulator fractional-n frequency synthesizer
02/18/1999WO1999008384A2 Multichannel radio device, a radio communication system, and a fractional division frequency synthesizer
02/18/1999WO1999008383A1 Step-controlled frequency synthesizer
02/18/1999WO1999008125A1 Low cost cmos tester with high channel density
02/18/1999WO1998052284A3 Phase detector arrangement
02/18/1999WO1998040968A3 A frequency conversion circuit
02/17/1999EP0897229A2 Clock recovery circuit
02/17/1999EP0897221A1 Circuit arrangement for adjusting a system frequency
02/17/1999EP0896762A1 Multiple input frequency locked loop
02/17/1999EP0700600B1 Digital controlled crystal oscillator
02/17/1999CN1208285A Semiconductor integrated circuit with phase adjusting function and system using the same
02/16/1999US5872807 Spread spectrum clock generator and associated method
02/16/1999US5872520 Identification and/or sensor system
02/16/1999US5872487 Fast frequency switching synthesizer
02/16/1999US5872486 Wide-range fine-step vector modulator frequency synthesizer
02/11/1999WO1999007073A1 Pulse stuffing circuit for programmable delay line
02/11/1999WO1999007066A1 Frequency synthesizer systems and methods for three-point modulation with a dc response
02/11/1999WO1999007065A1 Systems and methods for automatic deviation setting and control in radio transmitters
02/11/1999DE19818976A1 Phase detector for isolating interference signals from detector output signal
02/11/1999DE19730756A1 Frequency synchronisation method for oscillator
02/11/1999DE19729477A1 Digital phase locked loop
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