Patents for H03L 7 - Automatic control of frequency or phase; Synchronisation (37,643)
08/2001
08/07/2001US6271696 Phase adjustment circuit
08/07/2001CA2204089C Digital delay locked loop
08/02/2001WO2001056161A1 System and method for phase-locking an electronic oscillator with an optical pulse
08/02/2001US20010011013 System and method for on-chip filter tuning
08/02/2001US20010010670 Storage media reading system
08/02/2001US20010010475 Clock generation circuit
08/02/2001DE19928998A1 Elektronische Schaltungsanordnung zur Erzeugung einer Sendefrequenz Electronic circuit arrangement for generating a transmit frequency
08/02/2001DE10001376A1 Generating clock frequency - involves generating clock frequency depending on reference frequency in form of mains power supply network frequency, e.g. by deriving from mains hum frequency
08/02/2001CA2297713A1 Method and apparatus for distributed synchronous clocking
08/01/2001EP1120913A1 Method and apparatus for timing control
08/01/2001EP1120912A1 Method and apparatus for timing control
08/01/2001EP1119937A1 Variable spread spectrum clock
08/01/2001EP1119900A1 Methods and apparatus for reducing mosfet body diode conduction in a half-bridge configuration
07/2001
07/31/2001US6269125 System and method for trellis encoding a digital signal
07/31/2001US6269058 Wide capture range circuitry
07/31/2001US6268780 Frequency synthesizer with digital frequency lock loop
07/31/2001CA2213588C Remote accurate frequency generation using a numerically controlled oscillator
07/26/2001WO2001054283A1 Pll circuit
07/26/2001WO2001053916A2 System and method for compensating for supply voltage induced signal delay mismatches
07/26/2001WO2000045213A9 Opto-electronic techniques for reducing phase noise in a carrier signal by carrier suppression
07/26/2001WO2000028664A3 Fully integrated tuner architecture
07/26/2001US20010009391 PLL controller, method of PLL control, and limiter
07/26/2001US20010009385 Delay device having a delay lock loop and method of calibration thereof
07/26/2001US20010009275 Clock synchronization circuit and semiconductor device having the same
07/26/2001DE10064206A1 Delay lock loop for use in semiconductor memory device has OR gate which performs OR operation of output signals of bidirectional delay blocks, and outputs signal as final internal clock signal
07/25/2001EP1119119A1 Local generator with PLL for phase synchronization of clock signal with bits in optical pulse stream
07/25/2001EP1119107A2 System and method for controlling an oscillator
07/25/2001EP1119106A2 Integrated oscillator circuit and associated methods
07/25/2001EP1118219A1 Multistandard clock recovery circuit
07/25/2001EP1118157A1 Fractional- n frequency synthesiser
07/25/2001CN1305266A Method of synchronous phasee-locked loop, phas-locked loop and semiconductor device possessing phase-locked loop
07/24/2001US6266799 Multi-phase data/clock recovery circuitry and methods for implementing same
07/24/2001US6266383 Clock reproduction circuit and data transmission apparatus
07/24/2001US6266381 Frequency control arrangement
07/24/2001US6266377 Method of timing recovery convergence monitoring in modems
07/24/2001US6266200 Magnetic disk storage apparatus
07/24/2001US6265996 Low latency, low power deserializer
07/24/2001US6265947 Power conserving phase-locked loop and method
07/24/2001US6265946 Differential mode charge pump and loop filter with common mode feedback
07/24/2001US6265945 Atomic frequency standard based upon coherent population trapping
07/24/2001US6265930 Glitch free clock multiplexer circuit
07/24/2001US6265919 In phase alignment for PLL's
07/24/2001US6265918 Clock signal processing circuit and semiconductor device in which a clock signal is processed in improved method
07/24/2001US6265916 Clock multiplier circuit capable of generating a high frequency clock signal from a low frequency input clock signal
07/24/2001US6265904 Digital phase shift amplification and detection system and method
07/24/2001US6265903 Clock signal generating circuit using variable delay circuit
07/24/2001US6265902 Slip-detecting phase detector and method for improving phase-lock loop lock time
07/24/2001CA2195277C Frequency synthesizer
07/19/2001WO2001052427A1 Transmitter and radio communication terminal using the same
07/19/2001WO2001052420A1 Digital divider as a local oscillator for frequency synthesis
07/19/2001WO2001052419A1 Method and apparatus for improving capture and lock characteristics of phase lock loops
07/19/2001WO2001052418A1 Bias disconnection for power saving in pll
07/19/2001WO2001052417A2 Phase lock loop system and method
07/19/2001WO2001052015A2 Circuit and method for filtering oscillations and synchronizing signals
07/19/2001US20010008551 Phase-locked loop circuit and radio communication apparatus using the same
07/19/2001US20010008430 System and method for providing a low power receiver design
07/19/2001US20010008384 Method for generating frequencies in a dual phase locked loop
07/19/2001DE19939104A1 Ladungspumpe Charge pump
07/19/2001DE10100278A1 Clock circuit for IC device has different loads supplied via clock signal loads at different points on IC chip
07/18/2001EP1117182A1 Phase locked loop
07/18/2001EP1117177A2 Voltage controlled oscillator
07/18/2001EP1116329A1 Frequency detection method for clock signal adjustment and frequency detection circuit for implementing said method
07/18/2001EP1116323A1 Lock-in aid frequency detector
07/18/2001EP1116087A1 Synchronous polyphase clock distribution system
07/18/2001CN1304210A Oscillator with voltage control
07/18/2001CN1068741C Method for calculating frequency-dividing ratio in numeral phase-locked loop and apparatus thereof
07/18/2001CN1068740C PLL frequency synthesizer
07/17/2001US6263032 Phase detector estimator
07/17/2001US6262921 Delay-locked loop with binary-coupled capacitor
07/17/2001US6262681 Method and apparatus for microwave signal generation that uses polarization selective photonic mixing
07/17/2001US6262634 Phase-locked loop with built-in self-test of phase margin and loop gain
07/17/2001US6262624 Phase delay based filter transconductance (Gm/C) compensation circuit
07/17/2001US6262612 Using storage elements with multiple delay values to reduce supply current spikes in digital circuits
07/17/2001US6262609 Closed-loop voltage-to-frequency converter
07/17/2001US6262608 Delay locked loop with immunity to missing clock edges
07/12/2001WO2001050610A1 Pll frequency synthesizer using controlled divider pulse widths
07/12/2001WO2001050231A2 Encoded clocks to distribute multiple clock signals to multiple devices in a computer system
07/12/2001WO2001050144A2 Phase detector
07/12/2001WO2001049182A2 Correction of error angle in ultrasound flow measurement
07/12/2001US20010007583 Digital PLL-based data detector for recorded data reproduction from storage medium
07/12/2001US20010007480 Digital television receiver and timing recovering apparatus and method therefor
07/12/2001US20010007436 Frequency detector and phase-locked loop circuit including the detector
07/12/2001DE19949782C1 Phase-locked-loop circuit has charge pumping mechanism controlled by phase error, low-pass filter and inverter stage bias voltage generator between latter and voltage-controlled ring oscillator
07/11/2001EP1115206A2 Voltage controlled oscillator assembly
07/11/2001EP1115205A1 Pll circuit and radio communication terminal using pll
07/11/2001EP1115198A2 Frequency detector and phase-locked loop circuit including the detector
07/11/2001EP1114539A2 Circuit for recovering a data signal and regenerating a clock signal
07/11/2001EP1114538A1 Triggered clock signal generator
07/11/2001EP1114422A1 Synchronous circuit
07/11/2001CN1303540A Method for deriving or calibrating frequency of pulse signal
07/11/2001CN1068474C Digital phase correcting apparatus
07/11/2001CN1068473C Phase detector for phase-lock-loop
07/10/2001US6260176 Method and system for simulating and making a phase lock loop circuit
07/10/2001US6260153 Automatic compensation circuit for no margin input data
07/10/2001US6259755 Data clock recovery PLL circuit using a windowed phase comparator
07/10/2001US6259754 Phase frequency detection circuit and method for liquid crystal display
07/10/2001US6259727 Process and device for generating a plurality of derived clock signals
07/10/2001US6259330 Ring oscillator having variable coarse and fine delays
07/10/2001US6259328 Method and system for managing reference signals for network clock synchronization
07/10/2001US6259327 PLL having circuits for selecting optimum VCO input/output characteristics