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)
08/2005
08/02/2005US6924606 Low-visual noise, jitterized pulse width modulation brightness control circuit
08/02/2005CA2495135A1 Variable phase bit sampling with minimized synchronization loss
07/2005
07/28/2005WO2005069661A1 Synchronization of time base units
07/28/2005WO2005069489A1 Pll circuit
07/28/2005WO2005041251A3 Digitally controlled delay cells
07/28/2005US20050165923 Transmitter device and relay device for performing data transmission control
07/28/2005US20050164662 Frequency conversion in a receiver
07/28/2005US20050162553 Synchronization signal processor
07/28/2005US20050162552 Flying-adder frequency synthesizer-based digital-controlled oscillator and video decoder including the same
07/28/2005US20050162213 Differential charge pump circuit
07/28/2005US20050162204 Delay locked loop (DLL) using an oscillator and a counter and a clock synchronizing method
07/28/2005US20050162203 Low injection charge pump
07/28/2005US20050162202 Charge pump circuit and PLL circuit using same
07/28/2005US20050162201 Charge pump circuit and PLL circuit using same
07/28/2005US20050162200 High output impedance charge pump for PLL/DLL
07/28/2005US20050162197 Frequency synthesizer
07/27/2005EP1557951A1 Frequency generator with multiple voltage-controlled oscillators
07/27/2005EP1557753A2 Microcontroller with synchronized digital-analog converter
07/27/2005EP1557681A2 Noise detection device
07/27/2005EP1556952A2 System and method for suppressing noise in a phase-locked loop circuit
07/27/2005EP1188242B1 Low power, no deadzone phase frequency detector with charge pump
07/27/2005EP0988691B1 Frequency synthesis circuit tuned by digital words
07/27/2005CN1647386A Apparatus and method for symbol timing recovery
07/27/2005CN1647385A Data-directed frequency acquisition loop
07/27/2005CN1647384A Data-directed frequency-and-phase lock loop
07/27/2005CN1647383A Controlling output power in cellular telephones
07/27/2005CN1647161A PLL for clock recovery with initialization sequence
07/27/2005CN1647012A Electronic circuits
07/27/2005CN1645154A Noise detection device
07/27/2005CN1212707C Delay locking circuit using dichotomy and related method
07/27/2005CN1212553C Electric charge pump with wide output voltage area and its servo locking ring
07/26/2005US6922113 Semiconductor integrated circuit having oscillators or oscillation circuits connected to a wiring line at connection points with intervals in length there between
07/26/2005US6922111 Adaptive frequency clock signal
07/26/2005US6922110 Phase locked loop (PLL) frequency synthesizer and method
07/26/2005US6922109 Multiple synthesized clocks with fractional PPM control from a single clock source
07/26/2005US6922095 Voltage level shifter implemented by essentially PMOS transistors
07/26/2005US6922091 Locked loop circuit with clock hold function
07/26/2005US6922047 Startup/yank circuit for self-biased phase-locked loops
07/26/2005CA2361002C Opto-electronic techniques for reducing phase noise in a carrier signal by carrier suppression
07/26/2005CA2352398C Low phase noise frequency converter
07/21/2005WO2005067149A1 A switched capacitor circuit compensation apparatus and method
07/21/2005WO2005001284A3 Pulse width modulated common mode feedback loop and method for differential charge pump
07/21/2005US20050158056 Optical transmission system for compensating for transmission loss
07/21/2005US20050157829 Noise detection device
07/21/2005US20050157607 Tracking error control system and method
07/21/2005US20050156700 Integrated spiral inductor
07/21/2005US20050156684 Charge pump-based PLL having dynamic loop gain
07/21/2005US20050156678 Voltage control oscillator
07/21/2005US20050156677 Device for calibrating the frequency of an oscillator, phase looked loop circuit comprising said calibration device and related frequency calibration method
07/21/2005US20050156676 Synthesizer and calibrating method for the same
07/21/2005US20050156674 System and method for reducing the lock time of a phase locked loop circuit
07/21/2005US20050156673 Circuit and method for phase locked loop charge pump biasing
07/21/2005US20050156661 Filter apparatus including differential slave gm-C filter with frequency characteristics automatically tuned by master circuit
07/21/2005US20050156648 Information processing apparatus
07/21/2005US20050156647 Delay signal generator circuit and memory system including the same
07/21/2005US20050156641 Non-quasistatic phase lock loop frequency divider circuit
07/21/2005US20050156640 Novel charge leakage correction circuit for applications in PLLs
07/21/2005US20050156637 Methods and arrangements for a low power phase-locked loop
07/21/2005US20050156634 Phase continuous synthesizer with phase coasting and associated methods
07/21/2005DE102004061313A1 Oszillator mit Temperatursteuerung Oscillator with temperature control
07/21/2005DE102004037822A1 Verfahren und Vorrichtung zum Erzeugen und Steuern eines Quadraturtakts Method and apparatus for generating and controlling a quadrature clock
07/20/2005EP1555757A1 RF integrated circuit comprising a frequency synthesizer having a low sensitivity to frequency pulling
07/20/2005EP1555755A2 Digitally Controlled Delay Circuit
07/20/2005EP1554806A1 Phase estimation method in a digital and phase locked loop communication system
07/20/2005EP1554803A2 Method and device for generating a clock signal with predetermined clock signal properties
07/20/2005EP1554726A2 Frequency and phase control apparatus and maximum likelihood decoder
07/20/2005EP1554010A2 Multi-mode crystal oscillator system selectively configurable to minimize power consumption or noise generation
07/20/2005EP0996998A4 Thermal drift compensation system
07/20/2005CN2711990Y Optical glasls membrane thickness measuring signal process instrument
07/20/2005CN1643795A Transceiver using a harmonic rejection mixer
07/20/2005CN1643794A Phase error cancellation circuit and method for fractional frequency dividers and circuits incorporating same
07/20/2005CN1643789A Direct automatic frequency control method and apparatus
07/20/2005CN1642075A System and method for protecting received and transmitted data by parity check bit
07/20/2005CN1642013A Phase difference detector and its method
07/20/2005CN1642012A Reference signal source rein forcing device and satellite signal emitter
07/20/2005CN1642011A Clock decimal frequency dividing method
07/20/2005CN1642010A Clock-locked frequency deviation detecting device
07/20/2005CN1642005A Oscillator circuit operating with a variable driving voltage
07/20/2005CN1641997A DDS circuit with arbitrary frequency control clock
07/20/2005CN1211996C Horizontal frequency signal generator with multiple working frequency, synchronous circuit and display device
07/20/2005CN1211930C Method of stabilizing phase-locked loop
07/20/2005CN1211929C Low power consumption high frequency time pulse generator
07/20/2005CN1211915C Direct digital frequency synthesizer enabling spur elimination
07/20/2005CN1211911C Wideband voltage controlled oscillator with good noise immunity
07/20/2005CN1211720C Clock-pulse generator unit
07/19/2005US6920622 Method and apparatus for adjusting the phase of an output of a phase-locked loop
07/19/2005US6920552 Network interface with double data rate and delay locked loop
07/19/2005US6920316 High performance integrated circuit regulator with substrate transient suppression
07/19/2005US6920280 Digital data play back apparatus and method for playing back digital data
07/19/2005US6920190 System and method for inverting automatic frequency control (AFC)
07/19/2005US6920189 Carrier recovery means
07/19/2005US6920182 Delta-sigma modulator system and method
07/19/2005US6919769 Method and apparatus for fast lock acquisition in self-biased phase locked loops
07/19/2005US6919759 Digitally controlled tuner circuit
07/19/2005US6919750 Clock signal generation circuit used for sample hold circuit
07/19/2005US6919749 Apparatus and method for a digital delay locked loop
07/19/2005US6919746 Charge pump circuit and PLL circuit using same
07/19/2005US6919745 Ring-resister controlled DLL with fine delay line and direct skew sensing detector
07/19/2005US6919744 Spectrum profile control for a PLL and the like
07/14/2005WO2005064798A1 High order single loop digital sigma-delta modulator
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