Patents for H03L 7 - Automatic control of frequency or phase; Synchronisation (37,643)
02/2005
02/24/2005US20050040893 Spectrum profile control for a PLL and the like
02/24/2005US20050040876 Clock generator with one pole and method for generating a clock
02/24/2005US20050040875 Multi-phase clock signal generators and methods of generating multi-phase clock signals
02/24/2005US20050040872 PLL circuit and image display device
02/24/2005US20050040871 Apparatus and method for delay matching of full and divided clock signals
02/24/2005DE10261476B4 Analoge PLL mit Schaltkondensator-Resampling-Filter Analog PLL with switched capacitor filter resampling
02/23/2005CN1586041A Signal processing device, signal processing method, delta-sigma modulation type fractional division PLL frequency synthesizer, radio communication device, delta-sigma modulation type D/A converter
02/23/2005CN1586038A Fractional-N type frequency synthesizer
02/23/2005CN1585476A Digital transmission system and clock reproducing device
02/23/2005CN1585284A 高频信号接收机 High-frequency signal receiver
02/23/2005CN1585275A Method and device for controlling oscillators
02/23/2005CN1585274A Loop filter of phaselocked loop with initial circuit
02/23/2005CN1585273A Method for realizing clock interactive synchronization
02/23/2005CN1585272A Method and apparatus for charging pumping circuit
02/23/2005CN1584774A 半导体集成电路 The semiconductor integrated circuit
02/23/2005CN1190931C Radio transmitter and method for producing RF output signals in phase-locked loops
02/23/2005CN1190909C Equipment and method for synchronous timer modulation with power source modulation in band expansion timer system
02/23/2005CN1190899C Laser quantum system
02/23/2005CN1190898C 锁相环电路 PLL
02/23/2005CN1190897C Oscillator using calibration means (SE)
02/22/2005US6859750 Ramp sweep synthesis control
02/22/2005US6859509 Wide bandwidth phase-locked loop circuit
02/22/2005US6859502 Transmitting and receiving apparatus capable of the suppression of the microphonic noise in digital transmission system
02/22/2005US6859404 Apparatus and method of compensating for phase delay in semiconductor device
02/22/2005US6859109 Double-data rate phase-locked-loop with phase aligners to reduce clock skew
02/22/2005US6859108 Current biased phase locked loop
02/22/2005US6859107 Frequency comparator with hysteresis between locked and unlocked conditions
02/22/2005US6859106 PLL circuit and phase difference detecting circuit that can reduce phase pull-in time and adjust a skew at a higher precision
02/22/2005US6859104 Tunable power amplifier matching circuit
02/22/2005US6859083 Circuits for reducing leakage currents in pull-up and pull-down circuits using very small MOSFET devices
02/22/2005US6859082 Balanced programmable delay element
02/22/2005US6859081 Duty cycle correction circuit and delay locked loop having the same
02/22/2005US6859080 Systems to control signal phase
02/22/2005US6859079 Semiconductor device capable of accurately producing internal multi-phase clock signal
02/22/2005US6859078 Delay lock loop circuit
02/22/2005US6859077 Startup circuit for analog integrated circuit applications
02/22/2005US6859073 Fast VCO calibration for frequency synthesizers
02/22/2005US6859068 Self-correcting I/O interface driver scheme for memory interface
02/22/2005US6859027 Device and method for measuring jitter in phase locked loops
02/21/2005CA2477028A1 Wireless transmit-only apparatus and method
02/19/2005CA2474400A1 Gps receiver with recalibration and methods for recalibrating and reconfiguring a gps receiver
02/17/2005WO2005015759A1 Transceiver architecture with reduced vco-pulling sensitivity
02/17/2005WO2005015744A1 Variable frequency synthesizer comprising a sigma-delta modulator
02/17/2005WO2005015743A1 Self-calibrating controllable oscillator in a phase locked loop
02/17/2005WO2004075414B1 Circuitry to reduce pll lock acquisition time
02/17/2005US20050037736 System and method for controlling a mobile terminal using a digital signature
02/17/2005US20050036580 Programmable phase-locked loop fractional-N frequency synthesizer
02/17/2005US20050036579 Clock recovery circuit and clock-recovering filter circuit
02/17/2005US20050036566 Transceiver architecture with reduced VCO-pulling sensitivity
02/17/2005US20050035800 Percent-of-clock delay circuits with enhanced phase jitter immunity
02/17/2005US20050035799 Method and circuit for adjusting the timing of output data based on an operational mode of output drivers
02/17/2005US20050035798 Circuit, apparatus and method for obtaining a lock state value
02/17/2005US20050035797 Compensator for leakage through loop filter capacitors in phase-locked loops
02/17/2005US20050035796 Power-on reset circuit, semiconductor integrated circuit device including the same and method for generating a power-on reset signal
02/17/2005DE10310065B4 Verfahren und Vorrichtung für eine Verzögerungsverriegelungsschleife Method and apparatus for a delay-locked loop
02/17/2005DE10210726B4 Latenz-Zeitschaltung für ein S-DRAM Latency time circuit for an S-DRAM
02/17/2005DE10032248B4 Steuerbare Stromquelle Controllable current source
02/17/2005DE10012079B4 Taktsteuerschaltung und -Verfahren Clock control circuit and method
02/16/2005EP1507425A1 System and method for controlling a mobile terminal using a digital signature
02/16/2005EP1290800B1 Digital phase-locked loop
02/16/2005EP0893886B1 Device for synchronising a digital receiver
02/16/2005CN2679923Y Device of carrying out multiple clocks in same system
02/16/2005CN1581914A Method for realizing official telephone of SDH device using IP telephone
02/16/2005CN1581772A System and method for controlling a mobile terminal using a digital signature
02/16/2005CN1581701A Pll合成器 Pll synthesizer
02/16/2005CN1581700A Regulation for clock
02/16/2005CN1581699A Phase swallowing device and signal generating device using same
02/16/2005CN1581691A Integrated circuit, method and apparatus for fine tuning clock signals of an integrated circuit
02/16/2005CN1581690A Delay circuit and delay sysnchronization loop device
02/16/2005CN1190012C Frequency-multiplying delay locked loop
02/16/2005CN1190011C Method for improving switching performance of phase-lockes loop's reference signal
02/16/2005CN1190009C Circuit for receiving input data
02/15/2005US6856791 Direct automatic frequency control method and apparatus
02/15/2005US6856661 Using phase interpolator information to detect a loss of lock condition during recovery of a clock signal from a received data stream
02/15/2005US6856658 Digital PLL circuit operable in short burst interval
02/15/2005US6856586 Recording clock generating device and method thereof
02/15/2005US6856558 Integrated circuit devices having high precision digital delay lines therein
02/15/2005US6856358 Phase-increase induced backporch decrease (PIBD) phase recovery method for video signal processing
02/15/2005US6856207 Jitter-less phase detector in a clock recovery circuit
02/15/2005US6856206 Method and apparatus for acquiring a frequency without a reference clock
02/15/2005US6856205 VCO with automatic calibration
02/15/2005US6856204 Phase locked loop circuit having wide locked range and semiconductor integrated circuit device having the same
02/15/2005US6856203 Phase lock loop with controllable lock time
02/15/2005US6856202 Phase/frequency detector and phase lock loop circuit
02/15/2005US6856183 Scheme to improve performance of timing recovery systems for read channels in a disk drive
02/15/2005US6856182 Charge pump
02/15/2005US6856181 Stability robustness using a non-integer order filter in a circuit
02/15/2005US6856180 Programmable loop bandwidth in phase locked loop (PLL) circuit
02/15/2005US6855995 Physically defined varactor in a CMOS process
02/10/2005WO2005013548A1 Structures and methods for capturing data from data bit streams
02/10/2005WO2005013106A1 Clock generator
02/10/2005WO2005013044A2 Clock generator with skew control
02/10/2005WO2005012925A2 Improved resource allocation technique
02/10/2005US20050031065 System and method for automatically correcting duty cycle distortion
02/10/2005US20050030433 Direct conversion tuner capable of receiving digital television signals in UHF band and VHF band
02/10/2005US20050030206 High-resolution timers and pulse width modulators
02/10/2005US20050030115 Complementary metal-oxide semiconductor xylophone bar magnetometer with automatic resonance control
02/10/2005US20050030114 Analog implementation of spread spectrum frequency modulation in a programmable phase locked loop (PLL) system
02/10/2005US20050030110 System and method generating a delayed clock output
02/10/2005US20050030109 Voltage controlled oscillator and method of generating an oscillating signal