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)
03/2003
03/11/2003US6531927 Method to make a phase-locked loop's jitter transfer function independent of data transition density
03/11/2003US6531926 Dynamic control of phase-locked loop
03/11/2003US6531913 Low voltage charge pump
03/11/2003US6531903 Divider circuit, method of operation thereof and a phase-locked loop circuit incorporating the same
03/11/2003CA2267496C A fractional-n divider using a delta-sigma modulator
03/06/2003WO2003019788A1 System and method for wide dynamic range clock recovery.
03/06/2003WO2003019783A2 Phase-locked loop with analog phase rotator
03/06/2003WO2003019782A2 A wide band digital phase locked loop (pll) with a half-frequency output
03/06/2003WO2003019781A2 Improved frequency divider with reduced jitter and transmitter based thereon
03/06/2003WO2002041504A3 Methods and apparatus for identifying asset location in communication networks
03/06/2003US20030044022 Mobile terminal equipment
03/06/2003US20030043950 Phase-locked loop frequency synthesizer with two-point modulation
03/06/2003US20030043949 Radio frequency data communications device
03/06/2003US20030043685 System and method for skew compensating a clock signal and for capturing a digital signal using the skew compensated clock signal
03/06/2003US20030043615 System and method for skew compensating a clock signal and for capturing a digital signal using the skew compensated clock signal
03/06/2003US20030043024 Method and arrangement for frequency generation
03/06/2003US20030042989 Voltage-controlled oscillator and communication apparatus employing the same
03/06/2003US20030042986 Phase-locked loop made in integrated circuit form
03/06/2003US20030042985 Phase synchronizing circuit
03/06/2003US20030042961 Variable delay circuit and method, and delay locked loop, memory device and computer system using same
03/06/2003US20030042960 Variable delay circuit and method, and delay locked loop, memory device and computer system using same
03/06/2003US20030042954 Digital wave generating apparatus
03/06/2003US20030042953 Output buffer circuit for reducing variation of slew rate due to variation of PVT and load capacitance of output terminal, and semiconductor device including the same
03/06/2003US20030042952 Variable delay circuit and method, and delay locked loop, memory device and computer system using same
03/06/2003US20030042951 Variable delay circuit and method, and delay locked loop, memory device and computer system using same
03/06/2003US20030042950 High frequency system with duty cycle buffer
03/06/2003US20030042949 Current-steering charge pump circuit and method of switching
03/06/2003US20030042948 PLL circuit
03/06/2003US20030042947 Frequency-doubling delay locked loop
03/06/2003US20030042945 Frequency converter
03/06/2003US20030041667 Wide band digital phase locked loop (PLL) with a half-frequency output
03/06/2003DE19930167C2 Integrierte Schaltung mit einem Phasenregelkreis An integrated circuit comprising a phase locked loop
03/05/2003EP1289300A1 Video switching detecting circuit
03/05/2003EP1289150A1 A process for generating a variable frequency signal, for instance for spreading the spectrum of a clock signal, and device therefor
03/05/2003EP1287633A2 Clock data recovery circuitry associated with programmable logic device circuitry
03/05/2003EP1287616A2 Pll for synthesizing frequencies having rational relationships with a reference frequency
03/05/2003CN1401155A 多功能高频集成电路结构 Multifunction high frequency integrated circuit structure
03/05/2003CN1401083A Hierarchical delay lock loop code tracking system with multipath correction
03/05/2003CN1400737A Phase compensation circuit for data phase-locked loop
03/05/2003CN1400606A Register and signal generating method suitable for wide band
03/04/2003US6529844 Vector network measurement system
03/04/2003US6529571 Method and apparatus for equalizing propagation delay
03/04/2003US6529456 Disk reproducing device, a disk reproducing method, a disk rotation control method, and a regenerative clock signal generating device
03/04/2003US6529084 Interleaved feedforward VCO and PLL
03/04/2003US6529083 Clock control circuit
03/04/2003US6529082 Dual mode charge pump
03/04/2003US6529057 Stretching, shortening, and/or removing a clock cycle
03/04/2003US6529055 Method for adjusting the center frequency of a phase locked loop
03/04/2003US6528982 Jitter detector, phase difference detector and jitter detecting method
02/2003
02/27/2003WO2003017563A2 Data and clock recovery circuit and an arrangement comprising a plurality of such circuits
02/27/2003WO2003017495A1 Frequency synthesizer with three mode loop filter charging
02/27/2003WO2003017494A1 Method and device for frequency synchronisation
02/27/2003WO2003017493A2 Differential charge pump
02/27/2003WO2003017492A2 Charge pump
02/27/2003WO2003017486A1 Differential ring oscillator stage
02/27/2003WO2003016828A1 Method for correcting an oscillator frequency
02/27/2003WO2003001888A3 Multi-gigabit-per-sec clock recovery apparatus and method for optical communications
02/27/2003WO2002101403A3 Low noise microwave synthesizer employing high frequency combs for tuning drift cancel loop
02/27/2003WO2002056489A3 Local oscillator leakage control in direct conversion processes
02/27/2003WO2001078297A3 Method and apparatus for synchronizing data transmission and reception over a network
02/27/2003WO2001069837A9 Clock data recovery circuitry associated with programmable logic device circuitry
02/27/2003US20030040292 Local oscillator leakage control in direct conversion processes
02/27/2003US20030039330 Process for generating a variable frequency signal, for instance for spreading the spectrum of a clock signal, and device therefor
02/27/2003US20030039329 Phase-locked loop with analog phase rotator
02/27/2003US20030039328 Timing circuit
02/27/2003US20030039186 Information recording apparatus for writable recording media
02/27/2003US20030039013 Dynamic dispersion compensation in high-speed optical transmission systems
02/27/2003US20030038682 System and method for wide dynamic range clock recovery
02/27/2003US20030038681 System and method of digital tuning a voltage controlled oscillator
02/27/2003US20030038663 System and method for compensating for supply voltage induced clock delay mismatches
02/27/2003US20030038662 Majority filter counter circuit
02/27/2003US20030038661 Apparatus to decrease the spurs level in a phase-locked loop
02/27/2003US20030038660 Compensating for differences between clock signals
02/27/2003US20030038659 Clock control circuit
02/27/2003US20030038619 Device and method for testing phase-locked loops
02/26/2003EP1286258A1 Phase to sine amplitude conversion system and method
02/26/2003EP1286169A2 Device and method for testing phase-locked loops
02/26/2003EP1285498A2 High resolution phase frequency detectors
02/26/2003CN1399814A Method and apparatus for multiple band voltage controlled oscillator with noise immunity
02/26/2003CN1399409A Phase synchronous circulation circuit and data regenerator
02/26/2003CN1399404A Phase difference detecting circuit
02/25/2003US6526374 Fractional PLL employing a phase-selection feedback counter
02/25/2003US6526270 IrDA modulation/demodulation integrated circuit device
02/25/2003US6526265 Wireless transmitter having a modified translation loop architecture
02/25/2003US6526113 GM cell based control loops
02/25/2003US6526112 System for clock and data recovery for multi-channel parallel data streams
02/25/2003US6526111 Method and apparatus for phase locked loop having reduced jitter and/or frequency biasing
02/25/2003US6526109 Method and apparatus for hybrid smart center loop for clock data recovery
02/25/2003US6525988 Clock generating circuits controlling activation of a delay locked loop circuit on transition to a standby mode of a semiconductor memory device and methods for operating the same
02/25/2003US6525616 Circuit for locking an oscillator to a data stream
02/25/2003US6525615 Oscillator with digitally variable phase for a phase-locked loop
02/25/2003US6525613 Efficient current feedback buffer
02/25/2003US6525612 Mode control of PLL circuit
02/25/2003US6525609 Large gain range, high linearity, low noise MOS VGA
02/25/2003US6525585 Fixed-length delay generation circuit
02/25/2003US6525584 Digital phase interpolator for controlling delay time and method thereof
02/25/2003US6525578 Phase-lock loop with independent phase and frequency adjustments
02/25/2003US6525577 Apparatus and method for reducing skew of a high speed clock signal
02/25/2003US6525521 Sample and hold phase detector having low spurious performance and method
02/25/2003CA2174728C Standing sine wave clock bus for clock distribution systems
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