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)
06/1998
06/02/1998US5760640 Between a first and second supply voltage
05/1998
05/28/1998WO1998023071A1 A programmable loop filter for carrier recovery in a radio receiver
05/28/1998WO1998023070A1 Passband dqpsk detector for a digital communications receiver
05/28/1998WO1998023069A1 An improved phase detector for carrier recovery in a dqpsk receiver
05/28/1998WO1998023042A1 Verification of pn synchronization in a spread-spectrum communications receiver
05/28/1998WO1998023036A1 A carrier-recovery loop with stored initialization in a radio receiver
05/28/1998WO1998023035A1 An apparatus and method for reducing spurious sidebands in phase locked loops
05/28/1998WO1998023034A2 Apparatus and method for stabilising the frequency of a phase locked loop
05/28/1998DE19640292C1 Verfahren und Anordnung zur Erzeugung eines optischen Frequenzreferenzsignals Method and apparatus for generating an optical frequency reference signal
05/27/1998EP0844761A2 Clock and data regeneration for high bitrate data signals
05/27/1998EP0844739A1 Phase-locked loop circuit, particularly for a transmitter-receiver system
05/27/1998EP0844738A2 Self-tuning clock recovery phase locked loop circuit
05/27/1998EP0843846A1 Clock signal distribution and synchronisation in a digital system
05/26/1998US5757786 Time synchronization apparatus and a method thereof using a global positioning system of a satellite
05/26/1998US5757652 Electrical signal jitter and wander measurement system and method
05/26/1998US5757338 EMI reduction for a flat-panel display controller using horizontal-line based spread spectrum
05/26/1998US5757240 Low gain voltage-controlled oscillator
05/26/1998US5757239 Direct digital synthesizer driven phase lock loop frequency synthesizer with clean up phase lock loop
05/26/1998US5757238 Fast locking variable frequency phase-locked loop
05/26/1998US5757216 Electronic device using phase synchronous circuit
05/26/1998US5757212 Method and apparatus for providing a pin configurable architecture for frequency synthesizers
05/22/1998WO1998021828A1 Microwave/millimeter wave injection/synchronization oscillator
05/22/1998WO1998021827A1 Low power charge pump
05/22/1998WO1998021826A1 System and method for offsetting load switching transients in a frequency synthesizer
05/22/1998WO1998021818A1 Apparatus for tracking resonant frequency
05/22/1998WO1998010520A3 Frequency synthesis circuit having a charge pump
05/22/1998CA2271479A1 Apparatus for tracking resonant frequency
05/20/1998EP0843417A1 Phase locked loop circuit
05/20/1998EP0842578A1 Transition aligned video synchronization system
05/20/1998DE19714142C1 Phase detector for phase locked loop
05/19/1998US5754835 Source synchronized data transmission circuit
05/19/1998US5754833 Method and apparatus for providing synchronous data transmission between digital devices operating at frequencies having a P/Q integer ratio
05/19/1998US5754607 Method and apparatus for achieving fast phase settling in a phase locked loop
05/19/1998US5754606 Clock signal regenerating circuit
05/19/1998US5754598 Method and apparatus for controlling a phase lock loop
05/19/1998US5754437 Phase measurement apparatus and method
05/19/1998US5754352 Synchronous read channel employing an expected sample value generator for acquiring a preamble
05/19/1998US5754080 Single-edge triggered phase detector
05/19/1998US5754067 Frequency divider with shift register and modulator
05/19/1998CA2087516C High precision digital phase comparator
05/14/1998WO1998020620A1 Method and apparatus for reducing standby current in communications equipment
05/14/1998WO1998020614A1 A method and an apparatus for comparing two logic signals
05/14/1998WO1998020407A1 Semiconductor integrated circuit and microcomputer
05/13/1998EP0841834A2 Method and apparatus for a hitless switch-over between redundant signals
05/13/1998EP0841754A2 A digitally-controlled oscillator
05/13/1998EP0841753A2 Charge pump circuit
05/13/1998EP0840965A1 Frequency generating circuit
05/13/1998EP0840955A1 Microcontroller with firmware selectable oscillator trimming
05/13/1998CN1181668A Receiving circuit of mobile communicating device
05/12/1998US5752175 Frequency synthesizer for V/UHF wideband receiver
05/12/1998US5752169 Integrated circuit and transmitter/receiver
05/12/1998US5751777 Multiple input frequency locked loop
05/12/1998US5751775 Transmission circuit of a line encoded signal on a telephone line
05/12/1998US5751665 Clock distributing circuit
05/12/1998US5751195 Circuit to indicate phase lock in a multimode phase lock loop with anti-jamming security
05/12/1998US5751194 Phase-locked loop having charge pump controlled according to temperature and frequency
05/12/1998US5751193 Rubidium atomic oscillator with laser diode wavelength adjustment
05/07/1998WO1998019399A1 Method for producing a high frequency analog signal and arrangement needed for its application
05/07/1998CA2203496A1 Charge pump circuit
05/06/1998EP0840471A2 Remote accurate frequency generation using a numerically controlled oscillator
05/06/1998EP0840458A2 PLL circuit and its automatic adjusting circuit
05/06/1998EP0840457A2 PLL frequency synthesizer capable of changing an output frequency at a high speed
05/06/1998EP0840456A2 PLL frequency synthesizer capable of changing an output frequency at a high speed
05/06/1998EP0840447A1 Method for improving the tuning of a radio receiver and a radio receiver
05/06/1998CN1181163A A fast sigma-delta modulator having controlled clock generator
05/06/1998CN1180961A Method and system for detecting phase lock in phase locked loop
05/05/1998US5748125 Digital delay interpolator circuit
05/05/1998US5748103 Two-way TDMA telemetry system with power conservation features
05/05/1998US5748050 Linearization method and apparatus for voltage controlled oscillator
05/05/1998US5748048 Voltage controlled oscillator (VCO) frequency gain compensation circuit
05/05/1998US5748046 Phase locked loop with controllable response time
05/05/1998US5748045 Digital PLL circuit
05/05/1998US5748044 Dual VCO phase-locked loop
05/05/1998US5748043 Digital PLL frequency synthesizer
04/1998
04/30/1998WO1998018207A1 Mixed signal phase locked loop
04/30/1998WO1998018206A1 Apparatus and associated method for calibrating a device
04/30/1998DE19729157A1 PLL frequency-phase comparator for CMOS
04/30/1998DE19644861A1 Verfahren zur Erzeugung eines analogen hochfrequenten Signals und Anordnung zur Durchführung des Verfahrens A method for generating an analog high-frequency signal and device for carrying out the method
04/29/1998EP0838900A1 Phase locked loop with frequency control to support phase lock-in
04/29/1998EP0651923B1 A method and a device for generating a clock signal in a multiplexing system
04/28/1998US5745843 Selective call receivers with integer divide synthesizers for achieving fast-lock time
04/28/1998US5745741 Frequency stable periodic pulse generation apparatus and method
04/28/1998US5745314 Clock generating circuit by using the phase difference between a burst signal and the oscillation signal
04/28/1998US5745011 Data recovery phase locked loop
04/28/1998US5745004 FPLL with third multiplier in an AC path in the FPLL
04/28/1998US5744991 System for distributing clocks using a delay lock loop in a programmable logic circuit
04/28/1998US5744983 Phase detector with edge-sensitive enable and disable
04/28/1998US5744928 Digital locked loop
04/28/1998CA2065857C Latched accumulator fractional n synthesis with residual error reduction
04/23/1998DE19736788A1 Flip-flop cell arrangement
04/22/1998CN1179649A Regulator for reducing time delay of time signal and pulse signal
04/21/1998US5742650 Power reduction method and apparatus for phase-locked loop based clocks in a data processing system
04/21/1998US5742208 Signal generator for generating a jitter/wander output
04/21/1998US5742207 Tracking loop having instantaneous frequency shift protection
04/21/1998US5742195 Semiconductor integrated circuit with MOS Transistors compensated of characteristic and performance deviations and deviation compensation system therein
04/21/1998US5742191 D/A for controlling an oscillator in a phase locked loop
04/21/1998US5742190 Method and apparatus for clocking latches in a system having both pulse latches and two-phase latches
04/21/1998US5742188 Universal input data sampling circuit and method thereof
04/16/1998WO1998016013A1 Frequency synthesizer having phase error feedback for waveform selection
04/16/1998DE19716909A1 Method of synchronising a phase control loop e.g. for energy network of AC rail traction
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