Patents for H03L 7 - Automatic control of frequency or phase; Synchronisation (37,643)
06/2002
06/20/2002US20020075080 VCO gain self-calibration for low voltage phase lock-loop applications
06/20/2002US20020075079 Miniature, low power atomic frequency standard with improved rf frequency synthesizer
06/20/2002US20020075078 Decimated digital phase-locked loop for high-speed implementation
06/20/2002US20020075048 Timing signal generating circuit
06/20/2002US20020075047 Configuration for generating a clock including a delay circuit and method thereof
06/20/2002DE10149593A1 Frequency synthesizer with fractional-N division and single-bit sigma-delta modulation, for use in ultra-high frequency range for channel selection in wireless communication systems
06/20/2002DE10110095C1 Leakage current compensation circuit for voltage-controlled oscillator of phase-locked loop uses capacitance diodes in same configuration as capacitance diodes controlling oscillator frequency
06/20/2002DE10038880C2 Phasendetektor für einen Phasenregelkreis Phase detector for a phase-locked loop
06/19/2002EP1215820A2 Radio frequency tuner
06/19/2002EP1214822A1 Communication system
06/19/2002EP1214790A2 Direct digital frequency synthesis enabling spur elimination
06/19/2002EP1214784A2 Pll with memory for electronic alignments
06/19/2002EP1214779A1 A stacked vco resonator
06/19/2002EP1214605A1 Charge-based frequency measurement bist
06/19/2002EP1163723A4 Delay stabilization system for an integrated circuit
06/19/2002EP0815648B1 Direct digital synthesizer driven pll frequency synthesizer with clean-up pll
06/19/2002CN1354562A Output relative to input clock PLL circuit with fixed phase difference
06/19/2002CN1354461A Clock drawing equipment for optical disk reproducing device
06/19/2002CN1086533C Transmission circuit of line encoded signal on telephone line
06/18/2002US6407682 High speed serial-deserializer receiver
06/18/2002US6407644 Voltage controlled oscillator
06/18/2002US6407643 Phase-locked loop enabling the generation of a reference signal having a high spectral purity
06/18/2002US6407642 Frequency detector and phase-locked loop circuit including the detector
06/18/2002US6407641 Auto-locking oscillator for data communications
06/18/2002US6407619 Charge pump circuit and PLL circuit using the same
06/18/2002US6407601 Delay cell
06/18/2002US6407600 Method and apparatus for providing a start-up control voltage
06/18/2002US6407597 Semiconductor device capable of immediately recovering from erroneous state to normal state
06/13/2002WO2002047271A1 Radio transceiver having a phase-locked loop circuit
06/13/2002WO2002047270A2 Phase locked loop for recovering a clock signal from a data signal
06/13/2002WO2002047269A1 Device and method in a semiconductor circuit
06/13/2002WO2001089093A3 Apparatus for radio frequency processing with single oscillator for intermediate frequency processing
06/13/2002US20020073351 System and method for optimizing clock speed generation in a computer
06/13/2002US20020073350 Method and configuration for generating a clock pulse in a data processing system having a number of data channels
06/13/2002US20020071512 Digital phase-locked loop
06/13/2002US20020071510 Dynamic phase alignment circuit
06/13/2002US20020071509 Precision timing generator apparatus and associated methods
06/13/2002US20020071363 Disk reproducing device, a disk reproducing method, a disk rotation control method, and a regenerative clock signal generating device
06/13/2002US20020071194 PLL circuit, data detection circuit and disk apparatus
06/13/2002US20020070813 Phase detector and clock regeneration device
06/13/2002US20020070812 PLL device
06/13/2002US20020070811 Multiple input phase lock loop with hitless reference switching
06/13/2002US20020070783 Clock control circuit and method
06/13/2002US20020070780 PLL circuit and frequency division method reducing spurious noise
06/13/2002US20020070779 PLL circuit
06/13/2002US20020070778 Phase fluctuation generation
06/13/2002US20020070777 Voltage to current converter
06/13/2002US20020070776 Semiconductor device capable of immediately recovering from erroneous state to normal state
06/13/2002US20020070768 High performance microwave synthesizer using multiple-modulator fractional-N divider
06/13/2002DE19654935C2 Semiconductor device generating internal operating factor corresp. to external factor
06/13/2002DE10153472A1 Videogerät mit seriellem Empfänger Video device with serial receiver
06/13/2002DE10061167A1 Verfahren und Anordnung zur Erzeugung eines Taktes in einem Datenverarbeitungssystem mit einer Vielzahl von Datenkanälen Method and arrangement for generating a clock in a data processing system having a plurality of data channels
06/13/2002DE10056164C1 Schaltungsanordnung zur Erzeugung von mit Ausgangssignalen eines Taktgenerators flankensynchronen Taktsignalen für einen Halbleiterspeicher Circuitry for generating edge synchronous with output signals of a clock generator clock signals for a semiconductor memory
06/12/2002EP1213840A1 Radio transceiver having a phase-locked loop circuit
06/12/2002EP1213839A1 Method for determining an order in cells to be delayed in a chain of N cells
06/12/2002EP1212841A1 A dual band vco
06/12/2002EP1212829A1 Method and apparatus for automatically compensating a spread spectrum clock generator
06/12/2002EP0824706B1 Method for automatically reducing orbit-received carrier acquisition and tracking thresholds
06/11/2002US6405024 Frequency synthesizer with a phase-locked loop for receiving and processing signals in different frequency bands
06/11/2002US6405022 Apparatus for radio frequency processing with single oscillator for intermediate frequency processing
06/11/2002US6404834 Segmented spectrum clock generator apparatus and method for using same
06/11/2002US6404363 Circuit for recovering digital clock signal and method thereof
06/11/2002US6404304 Microwave tunable filter using microelectromechanical (MEMS) system
06/11/2002US6404295 Voltage controlled oscillator with linear input voltage characteristics
06/11/2002US6404294 Voltage control oscillator (VCO) with automatic gain control
06/11/2002US6404292 Voltage controlled oscillators with reduced incidental frequency modulation and use in phase locking oscillators
06/11/2002US6404291 Linear low noise phase loop frequency synthesizer using controlled divider pulse widths
06/11/2002US6404289 Synthesizer with lock detector, lock algorithm, extended range VCO, and a simplified dual modulus divider
06/11/2002US6404288 Time base generator
06/11/2002US6404277 Gm-C tuning circuit with filter configuration
06/11/2002US6404250 On-chip circuits for high speed memory testing with a slow memory tester
06/11/2002US6404249 Phase-locked loop circuit and frequency modulation method using the same
06/11/2002US6404248 Delay locked loop circuit for synchronizing internal supply clock with reference clock
06/11/2002US6404247 All digital phase-locked loop
06/11/2002US6404246 Precision clock synthesizer using RC oscillator and calibration circuit
06/11/2002US6404244 Method of dividing the frequency of a signal
06/11/2002US6404240 Circuit and method of a three state phase frequency lock detector
06/06/2002WO2002019550A3 Digital-data receiver synchronization method and apparatus
06/06/2002WO2001084702A3 High-speed serial data transceiver systems and related methods
06/06/2002WO2001047110A3 Method and apparatus for changing characteristics of device
06/06/2002US20020069390 Data processor and data processing method
06/06/2002US20020069374 Adjustable data delay using programmable clock shift
06/06/2002US20020067788 Clock recovery circuit
06/06/2002US20020067787 Processing high-speed digital signals
06/06/2002US20020067786 Timing circuit
06/06/2002US20020067785 High-speed transmission system having a low latency
06/06/2002US20020067214 Self-bias and differential structure based PLL with fast lockup circuit and current range calibration for process variation
06/06/2002US20020067197 Phase adjustor for semiconductor integrated circuit
06/06/2002US20020067195 Adjustable phase shifter
06/06/2002US20020067194 Generation of clock signals for a semiconductor memory that are edge-synchronous with the output signals of a clock generator
06/06/2002US20020067193 Common bias and differential structure based dll with fast lockup circuit and current range calibration for process variation
06/06/2002DE10059094A1 Frequency offset correction method for phase-locked loop circuit provides compensation voltage for frequency difference between controlled oscillator frequency and required frequency
06/06/2002DE10057905A1 Phasenregelkreis mit Verzögerungselement Phase-locked loop with delay element
06/05/2002EP1211811A1 Fast frequency comparing circuit
06/05/2002EP1210762A1 Wideband voltage controlled oscillator with good noise immunity
06/05/2002EP1163726A4 Method and apparatus for improving capture and lock characteristics of phase lock loops
06/05/2002CN1086067C Fast acting control system
06/04/2002US6400932 Low offset automatic frequency tuning circuits for continuous-time filter
06/04/2002US6400735 Glitchless delay line using gray code multiplexer
06/04/2002US6400641 Delay-locked loop with binary-coupled capacitor