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)
09/2005
09/27/2005US6949965 Low voltage pull-down circuit
09/27/2005CA2363377C System and method for inverting automatic frequency control (afc)
09/22/2005WO2005088418A1 Charge pump circuit using active feedback controlled current sources
09/22/2005US20050207523 Jitter detection circuit
09/22/2005US20050207522 Phase locked loop and method for evaluating a jitter of a phase locked loop
09/22/2005US20050207484 Device and method for detecting the phase of a signal
09/22/2005US20050207456 Method and apparatus for reducing errors due to line asymmetry in devices utilizing coherent population trapping
09/22/2005US20050206464 Transconductance and current modulation for resonant frequency control and selection
09/22/2005US20050206463 Self-calibrating oscillator system
09/22/2005US20050206462 Monolithic clock generator and timing/frequency reference
09/22/2005US20050206460 Circuit with variable capacitance and method for operating a circuit with variable capacitance
09/22/2005US20050206459 Startup/yank circuit for self-biased phase-locked loops
09/22/2005US20050206458 All-digital phase-locked loop
09/22/2005US20050206434 Switched capacitor circuit capable of minimizing clock feedthrough effect and having low phase noise and method thereof
09/22/2005US20050206432 Level conversion circuit and serial/parallel conversion circuit with level conversion function
09/22/2005US20050206426 Integrated circuit systems and devices having high precision digital delay lines therein
09/22/2005US20050206425 Delay circuit
09/22/2005US20050206419 Locked loop with dual rail regulation
09/22/2005US20050206418 Delay locked loop capable of preventing false lock and method thereof
09/22/2005US20050206417 Delay-locked loop
09/22/2005US20050206416 Locked loop circuit with clock hold function
09/22/2005US20050206415 Programmable phase-locked loop circuitry for programmable logic device
09/22/2005DE102004032478A1 Verzögerungsregelkreis in Halbleiterspeichervorrichtung und sein Taktsynchronisierverfahren Delay control circuit in semiconductor memory device and its Taktsynchronisierverfahren
09/22/2005DE102004010365A1 Phasenregelskreis, Verfahren zur Frequenzumschaltung in einem Phasenregelkreis und Verwendung des Phasenregelkreises Phase-locked loop method for frequency switching in a phase-locked loop and the use of phase-locked loop
09/22/2005DE102004006995A1 Digitaler Phasenregelkreis für Sub- u.-Technologien Digital phase locked loop for sub equ technologies
09/21/2005EP1577720A2 Method and apparatus for reducing errors due to line asymmetry in devices utilizing coherent population trapping
09/21/2005EP1576761A2 Method and device for extracting a clock pulse frequency underlying a data flow
09/21/2005EP1576732A2 A sawtooth wave generating apparatus, a method of generating sawtooth wave, a constant current circuit, and a method of adjusting amount of current from the same
09/21/2005CN1672330A Signal processing apparatus, non-integer divider, and fractional n-pll synthesizer using the same
09/21/2005CN1672321A Phase detector with selection of differences between input signals
09/21/2005CN1671051A Switched capacitor circuit capable of minimizing clock feedthrough effect and having low phase noise and method thereof
09/21/2005CN1671037A Symmetrized voltage controlled oscillator system
09/20/2005US6947706 Device for generating a clock signal
09/20/2005US6947515 Method for measuring the response of a voltage controlled oscillator
09/20/2005US6947514 Phase-locked loop circuit, information processing apparatus, and information processing system
09/20/2005US6947513 Radio frequency data communications device
09/20/2005US6946920 Circuit for locking an oscillator to a data stream
09/20/2005US6946919 Controllable crystal oscillator component
09/20/2005US6946918 Differential voltage to current converter having transistors of different sizes
09/20/2005US6946917 Generating an oscillating signal according to a control current
09/20/2005US6946916 Arrangement and a method relating to phase locking
09/20/2005US6946915 Maximally digitized fractional-N frequency synthesizer and modulator with maximal fractional spurs removing
09/20/2005US6946888 Percent-of-clock delay circuits with enhanced phase jitter immunity
09/20/2005US6946887 Phase frequency detector with programmable minimum pulse width
09/20/2005US6946886 Clock-synchronized serial communication device and semiconductor integrated circuit device
09/20/2005US6946884 Fractional-N baseband frequency synthesizer in bluetooth applications
09/15/2005WO2005086354A1 Phase-lock loop, method for frequency switching in a phase-lock loop, and use of said phase-lock loop
09/15/2005WO2005086353A1 Lock detecting circuit, lock detecting method
09/15/2005WO2005086352A1 Phase lock circuit and information reproduction device
09/15/2005WO2005086351A1 Providing automatic adaptation to frequency offsets in high speed serial links
09/15/2005WO2005071843A3 Non-quasistatic phase lock loop frequency divider circuit
09/15/2005US20050200420 Supply circuit for power amplifier drivers
09/15/2005US20050200393 Method and device for generating a clock signal with predetermined clock signal properties
09/15/2005US20050200391 Controlling a voltage controlled osillator in a bang-bang phase locked loop
09/15/2005US20050200390 Highly configurable PLL architecture for programmable logic
09/15/2005DE102004007588A1 Frequency generator with variable frequency, e.g. for clock generator, continuously switches between two different frequencies to generate desired output frequency
09/15/2005DE102004006996A1 Digitaler Phasenregelkreis mit schnellem Einschwingverhalten A digital phase-locked loop with fast transient response
09/14/2005EP1575170A1 Highly configurable pll architecture for programmable logic device
09/14/2005EP1573921A1 Digitally controllable oscillator
09/14/2005EP1573920A2 Low lock time delay locked loops using time cycle suppressor
09/14/2005EP1573912A2 Coarse delay tuner circuits with edge suppressors in delay locked loops
09/14/2005EP1573488A1 Direct digital frequency synthesizer
09/14/2005CN1669223A SigmaDelta modulator of PLL circuit
09/14/2005CN1669222A Lc oscillator with wide tuning range and low phase noise
09/14/2005CN1667957A Highly configurable PLL architecture for programmable logic device
09/14/2005CN1667956A Modular DLL architecture for generating multiple timings
09/14/2005CN1667955A PLL noise smoothing using dual-modulus interleaving
09/14/2005CN1667943A Function generating circuit and temperature characteristic controlling method for function generating circuit
09/14/2005CN1667750A Apparatus for generating internal clock signal
09/14/2005CN1219357C Digital clock resetting device
09/13/2005US6944833 Delay model circuit for use in delay locked loop
09/13/2005US6944257 Phase error cancellation circuit and method for fractional frequency dividers and circuits incorporating same
09/13/2005US6944252 Phase comparator circuit
09/13/2005US6944251 Digital phase lock loop circuit
09/13/2005US6944070 Integrated circuit devices having high precision digital delay lines therein
09/13/2005US6943828 Method and apparatus for providing adaptive horizontal sync detection
09/13/2005US6943711 Frequency-digital signal conversion circuit
09/13/2005US6943636 Oscillator for SERDES
09/13/2005US6943632 Frequency locked loop, clock recovery circuit and receiver
09/13/2005US6943610 Clock distribution network using feedback for skew compensation and jitter filtering
09/13/2005US6943609 Stratum clock state machine multiplexing switching
09/13/2005US6943606 Phase interpolator to interpolate between a plurality of clock phases
09/13/2005US6943602 Delay locked loop and locking method thereof
09/13/2005US6943600 Delay-compensated fractional-N frequency synthesizer
09/13/2005US6943599 Methods and arrangements for a low power phase-locked loop
09/13/2005US6943598 Reduced-size integrated phase-locked loop
09/13/2005US6943597 Hard phase alignment of clock signals with an oscillator controller
09/09/2005WO2005083887A1 Pll circuit
09/09/2005WO2005083880A1 Improvement of the coarse tuning time in pll with lc oscillator
09/09/2005WO2005083716A1 Dll circuit
09/09/2005WO2005081794A2 Method and system for operating an atomic clock with alternating-polarization light
09/09/2005WO2005071842A3 Frequency and/or phase compensated microelectromechanical oscillator
09/09/2005WO2005053159A3 Clock pulse generator apparatus with reduced jitter clock phase
09/09/2005CA2555468A1 Improvement of the coarse tuning time in pll with lc oscillator
09/08/2005US20050197073 Fractional frequency synthesizer
09/08/2005US20050195863 Circuit and method for providing automatic adaptation to frequency offsets in high speed serial links
09/08/2005US20050195663 Delay locked loop in semiconductor memory device
09/08/2005US20050195643 Differential and quadrature harmonic VCO and methods therefor
09/08/2005US20050195301 Charge pump circuit and PLL circuit using the same
09/08/2005US20050195040 Phase locked loop lock-detection circuit
1 ... 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 ... 377