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)
04/1998
04/15/1998EP0836282A1 Receiving apparatus and method and phase lock loop circuit
04/15/1998EP0835571A1 Clock and data regenerator for gigabit signals
04/15/1998EP0835550A1 Phase comparator without dead zone
04/15/1998EP0835505A1 Apparatus for reproducing a digital information signal from a record carrier
04/15/1998CN1179036A Synchronous method and device in wetby decoder
04/15/1998CN1179035A Digital phase-locked loop circuit
04/15/1998CN1178972A Optical disc reproducing device capable of correcting balancer characteristic
04/14/1998US5740525 Method and apparatus for temperature compensation of a reference oscillator in a communication device
04/14/1998US5740411 Controllably switched phase locked loop circuits, systems, and methods
04/14/1998US5740213 Differential charge pump based phase locked loop or delay locked loop
04/14/1998US5740211 Method and apparatus for a hitless switch-over between redundant signals
04/14/1998US5740123 Semiconductor integrated circuit for changing pulse width according to frequency of external signal
04/14/1998US5739874 Tuning system for a digital satellite receiver with fine tuning provisions
04/14/1998US5739727 Oscillator device for generating an output signal
04/14/1998US5739725 Digitally controlled oscillator circuit
04/14/1998US5739709 Phase frequency detecting circuit
04/09/1998WO1998015074A1 Production of an optical frequency reference signal
04/09/1998WO1998015058A1 Self-timed pulse control circuit
04/09/1998WO1998014956A1 Memory array, memory cell, and sense amplifier test and characterization
04/09/1998WO1998014955A1 Data retention test for static memory cell
04/09/1998WO1998014950A1 Memory block select using multiple word lines to address a single memory cell row
04/09/1998WO1998014947A1 Memory including resistor bit-line loads
04/09/1998WO1998014944A1 Active power supply filter
04/09/1998WO1998014931A1 Matrix addressable display with delay locked loop controller
04/09/1998DE19742424A1 Double superheterodyne receiver circuit for HF signals
04/09/1998CA2267323A1 Production of an optical frequency reference signal
04/08/1998EP0737317B1 Digital phase detector
04/08/1998CN1178613A Direct digital synthesizer driven PLL frequency synthesizer with clean-up PLL
04/08/1998CN1178366A Reproducing or recording device for reproducing, or reducing on, optical recording medium
04/07/1998US5737694 Tuner circuit
04/07/1998US5737373 Control method and apparatus for suppressing jitter
04/07/1998US5736904 Automatic trimming of a controlled oscillator in a phase locked loop
04/07/1998US5736903 For a communication device
04/07/1998US5736893 Digital method and apparatus for reducing EMI emissions in digitally-clocked systems
04/07/1998US5736892 Differential charge pump circuit with high differential impedance and low common mode impedance
04/07/1998US5736880 Differential charge pump using surtchingly controlled current generators
04/07/1998US5736872 Low voltage high speed phase frequency detector
04/07/1998CA2048480C Circuit arrangement and method for the regeneration and synchronization of a digital signal
04/02/1998WO1998013939A2 Control of a voltage controlled oscillator
04/02/1998DE19713058A1 Phase-locked loop circuit
04/02/1998DE19640072A1 Frequency synthesiser using fractional frequency synthesis
04/02/1998DE19640071A1 Frequency synthesiser using fractional frequency synthesis
04/01/1998EP0833452A1 Phase locked loop
04/01/1998EP0833310A2 Reproducing or recording device for reproducing, or recording on, an optical recording medium
04/01/1998EP0698314B1 An oscillator with switched reactive elements
04/01/1998CN1177865A PLL circuit
04/01/1998CN1177789A Local frequency correction
03/1998
03/31/1998US5734302 DC frequency modulation circuit using two phase locked loops
03/31/1998US5734301 Dual phase-locked loop clock synthesizer
03/31/1998US5734285 Electronic circuit utilizing resonance technique to drive clock inputs of function circuitry for saving power
03/31/1998US5734279 Charge Pump Circuit
03/31/1998US5734273 For a digital phase locked loop frequency synthesizer
03/26/1998WO1998012835A1 Symbol timing recovery based on complex sample magnitude
03/26/1998WO1998012813A1 Adaptive frequency synthesizer for synchronization
03/26/1998DE19639215A1 Disc replay and record device with tracking control disc drive
03/26/1998DE19630917C1 Phasen- und Frequenzdetektorschaltung Phase and frequency detection circuit
03/25/1998EP0831483A1 Data processing apparatus and methods
03/25/1998EP0831480A1 Data processing apparatus and methods
03/25/1998EP0831479A1 Data processing apparatus and methods
03/25/1998EP0831478A1 Data processing apparatus and methods
03/25/1998EP0830739A1 Digitally controlled oscillator for a phase-locked loop
03/25/1998EP0830738A1 Digital phase detector employing a digitally controllable delay line
03/24/1998US5732339 Frequency offset correction
03/24/1998US5732336 Receiver
03/24/1998US5732329 Radio transmitter/receiver
03/24/1998US5731743 Frequency synthesizer having phase error feedback for waveform selection
03/24/1998US5731741 Receiver frequency synthesizer-tuner providing high speed tuning
03/24/1998US5731727 Voltage control type delay circuit and internal clock generation circuit using the same
03/24/1998US5731723 Half symbol delay calibration for phase window centering
03/18/1998EP0829983A2 Clock extraction circuit from NRZ data
03/18/1998EP0829968A2 Low-voltage frequency synthesizer
03/18/1998EP0829146A1 Frequency tracking for communication signals using m-ary orthogonal walsh modulation
03/18/1998EP0829143A1 Portable radio comprising a connectable circuit
03/18/1998EP0829135A1 Phase shifter for use in a quadrature clock generator
03/18/1998CN1176713A Semiconductor integrated circuit device with delay error correcting circuit
03/17/1998US5729182 Device for continuous phase modulation by frequency synthesizer with phase-locked loop
03/17/1998US5729180 Control of VCO in ultrasonic flow meter
03/17/1998US5729179 Variable Frequency Divider
03/17/1998US5729170 Input buffer circuit for a frequency divider
03/12/1998WO1998010520A2 Frequency synthesis circuit having a charge pump
03/12/1998WO1998010519A1 Low-jitter phase-locking loop
03/12/1998WO1998004063A3 A method and an apparatus for recovery of the clock of a constant bit-rate service
03/11/1998EP0828350A1 Phase locked loop with a charge pump current limiting arrangement
03/11/1998EP0828343A1 Signal generator for generating a jitter/wander output
03/11/1998EP0804740A4 Handheld vector network analyzer
03/11/1998CN1175817A Controllable-frequency oscillator
03/10/1998US5727038 Phase locked loop using digital loop filter and digitally controlled oscillator
03/10/1998US5727037 System and method to reduce phase offset and phase jitter in phase-locked and delay-locked loops using self-biased circuits
03/10/1998US5726650 Adaptive manchester decoding with adjustable delay and power saving mode
03/10/1998US5726607 Phase locked loop using a counter and a microcontroller to produce VCXO control signals
03/05/1998DE19736898A1 Multiple phase clock generator
03/04/1998EP0827283A2 Auto-lock circuit for PLL frequency synthesizers
03/04/1998EP0827277A1 Base station with tuneable oscillator and method for tuning of this oscillator
03/04/1998CN1175326A High-frequency device
03/04/1998CN1175130A Phase-Locking oscillation circuit
03/04/1998CN1175126A Differential delay element for preventing common-mode oscillation and input hysteresis
03/03/1998US5724360 Composite clock signal
03/03/1998US5724008 Phase-locked loop with charge distribution
03/03/1998US5724007 Adjustable lock detector for a phase-locked loop circuit
02/1998
02/26/1998WO1998008307A1 Digital optical receiver with instantaneous josephson clock recovery circuit
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