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)
06/2005
06/21/2005US6909331 Phase locked loop having a forward gain adaptation module
06/21/2005US6909330 Automatic phase lock loop design using geometric programming
06/21/2005US6909329 Adaptive loop bandwidth circuit for a PLL
06/21/2005US6909312 Synchronization circuit and synchronization method
06/21/2005US6909311 Methods and apparatus for synthesizing a clock signal
06/21/2005CA2131567C Spread spectrum clock generator and associated method
06/21/2005CA2113353C Synchronous tracking am receiver
06/16/2005US20050129158 Data processing circuit and signal processing system
06/16/2005US20050129134 Low wander timing generation and recovery
06/16/2005US20050129099 Arrangement for generating a transmission clock signal and a reception clock signal for a transceiver
06/16/2005US20050128907 PLL circuit and an optical disk apparatus thereof
06/16/2005US20050128216 Connection device capable of mixing an rgb graphics signal and a yuv video signal and related method
06/16/2005US20050128202 Graphics card for smoothing the playing of video
06/16/2005US20050128032 Tunable planar capacitor
06/16/2005US20050128017 Temperature compensation for a variable frequency oscillator without reducing pull range
06/16/2005US20050128014 Static magnetic field applying structure for use in atomic oscillator
06/16/2005US20050127975 Spread spectrum clock generating circuit
06/16/2005US20050127974 Method and apparatus for generating and controlling a quadrature clock
06/16/2005US20050127973 Method and apparatus for generating a quadrature clock
06/16/2005US20050127966 Delay locked loop circuit with duty cycle correction function
06/16/2005US20050127965 Generating multi-phase clock signals using hierarchical delays
06/16/2005US20050127964 Digital frequency-multiplying DLLs
06/16/2005US20050127963 Switched capacitor for a tunable delay circuit
06/16/2005US20050127962 Semiconductor integrated device
06/16/2005US20050127961 Methods and arrangements for a low power phase-locked loop
06/16/2005US20050127960 Reference vibration generator, its mutual synchronizing system, and its mutual synchronizing method
06/16/2005US20050127887 DC-DC converter
06/16/2005DE102004045513A1 Oszillatorschaltung und diese enthaltende integrierte Schaltung Oscillator circuit and this integrated circuit containing
06/15/2005EP1542382A1 Input burst data stream transferring method and input circuit
06/15/2005EP1542355A1 Voltage controlled oscillator for frequency synthesizer
06/15/2005EP1540863A2 Staged locking of phase locked loops
06/15/2005EP1004168B1 Delay lock loop with clock phase shifter
06/15/2005CN1627630A Voltage controlled oscillator for frequency synthesizer
06/15/2005CN1627380A Optical disc apparatus, clock signal generation method, program, and control apparatus
06/15/2005CN1206810C System and method for programming oscillators
06/15/2005CN1206802C Oscillator with noise-reducing function, wirter and its control method
06/14/2005US6906596 Oscillation circuit and a communication semiconductor integrated circuit
06/14/2005US6906572 Semiconductor integrated circuit device
06/14/2005US6906571 Counter-based phased clock generator circuits and methods
06/14/2005US6906570 Multi clock deciding system
06/14/2005US6906566 Dual-phase delay-locked loop circuit and method
06/14/2005US6906565 Fast lock phase lock loop and method thereof
06/14/2005US6906564 Apparatus and method for delay matching of full and divided clock signals
06/14/2005CA2365608C System and method for high-speed skew-insensitive multi-channel data transmission
06/09/2005WO2005053162A1 Σδ modulator of pll circuit
06/09/2005WO2005053161A1 Am/fm radio receiver and local oscillator circuit used therein
06/09/2005WO2005053160A1 Oscillator, frequency multiplier, and testing apparatus
06/09/2005WO2005053159A2 Clock pulse generator apparatus with reduced jitter clock phase
06/09/2005WO2005053158A1 High frequency delay circuit, and testing device
06/09/2005WO2005052820A1 Method and apparatus for dynamic system-level frequency scaling
06/09/2005WO2005039049A3 Ring oscillator with peaking stages
06/09/2005WO2005031979A8 Delay control loop
06/09/2005US20050124314 Divider module for use in an oscillation synthesizer
06/09/2005US20050124309 On-chip loop filter for a PLL
06/09/2005US20050123087 Erroneous phase lock detection circuit
06/09/2005US20050123085 Seamless clock
06/09/2005US20050122885 Phase difference correction apparatus and data reproduction apparatus including data header detection apparatus
06/09/2005US20050122796 Delayed locked loop in semiconductor memory device and its control method
06/09/2005US20050122766 Digital control logic circuit having a characteristic of time hysteresis
06/09/2005US20050122179 Voltage-controlled oscillator, clock converter, and electronic device
06/09/2005US20050122177 Voltage controlled oscillator for frequency synthesizer
06/09/2005US20050122176 Loop filter and method for generating stable control voltage of the same
06/09/2005US20050122175 Oscillator circuit operating with a variable driving voltage
06/09/2005US20050122174 Compact PLL circuit
06/09/2005US20050122153 Centralizing the lock point of a synchronous circuit
06/09/2005US20050122149 Duty cycle correction circuits suitable for use in delay-locked loops and methods of correcting duty cycles of periodic signals
06/09/2005US20050122145 Clock generator
06/09/2005US20050122144 Timing vernier using a delay locked loop
06/09/2005DE10300690B4 Digitale DLL-Vorrichtung zum Korrigieren des Tastverhältnisses und dessen Verfahren Digital DLL apparatus for correcting the duty cycle and the process
06/09/2005DE102004034278A1 Ein Verfahren und ein System für eine ausfallsichere Steuerung eines Frequenzsynthesizers A method and a system for fail-safe control of a frequency synthesizer
06/09/2005DE102004033105A1 Festfrequenztaktausgangssignal mit einem variablen Hochfrequenzeingangstakt und einem unzusammenhängenden Festfrequenzreferenzsignal Fixed frequency clock output signal with a variable high frequency input clock and an incoherent fixed frequency reference signal
06/09/2005DE10053808B4 Einrastdetektionsschaltung Einrastdetektionsschaltung
06/08/2005EP1538799A2 Phase-locked loop with continuously adjustable bandwidth
06/08/2005EP1538755A1 Programmable phase-locked loop
06/08/2005EP1538754A1 Frequency and phase correction in a phase-locked loop
06/08/2005EP1538753A1 Phase-combining circuit and timing signal generator circuit for carrying out a high-speed signal transmission
06/08/2005EP1538752A1 Clock pulse generator apparatus with reduced jitter clock phase
06/08/2005EP1538742A1 Voltage control oscillator having modulation function
06/08/2005EP1538451A1 Programmable frequency detector for use with a phase-locked loop
06/08/2005EP1537699A1 Techniques to adjust a signal sampling point
06/08/2005EP1537670A1 Improvements relating to phase-lock loops
06/08/2005EP1537669A1 Phase locked loop
06/08/2005EP1537668A1 Synchronous mirror delay (smd) circuit and method including a ring oscillator for timing coarse and fine delay intervals
06/08/2005EP1537658A1 Self calibration of continuous-time filters and systems comprising such filters
06/08/2005EP1260822B1 Automatic test equipment for semiconductor device
06/08/2005EP1254517B1 Frequency division/multiplication with jitter minimization
06/08/2005CN1625839A Phase-locked-loop with reduced clock jitter
06/08/2005CN1625221A Image forming device, pattern forming method and its program
06/08/2005CN1625070A 通讯半导体集成电路器件和无线通讯系统 Communication semiconductor integrated circuit device and wireless communication systems
06/08/2005CN1205752C Multiband frequency generator and transmitting/receiving unit of mobile radio equipment using it
06/08/2005CN1205751C Phaselocked loop circuit
06/07/2005US6904113 Control of phase locked loop during change of synchronization source
06/07/2005US6903617 Method and apparatus for synthesizing high-frequency signals for wireless communications
06/07/2005US6903615 Digitally-controlled oscillator with switched-capacitor frequency selection
06/07/2005US6903614 Oscillator having an AC-coupling between fundamental frequency ground points
06/07/2005US6903613 Voltage controlled oscillator
06/07/2005US6903612 Tunable low noise amplifier
06/07/2005US6903587 Clock data recovery circuit with improved jitter transfer characteristics and jitter tolerance
06/07/2005US6903586 Gain control circuitry for delay locked loop circuit
06/07/2005US6903585 Pulse width modulated common mode feedback loop and method for differential charge pump
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