| Patents for H03L 7 - Automatic control of frequency or phase; Synchronisation (37,643) |
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| 04/06/2006 | US20060071716 High performance analog charge pumped phase locked loop (PLL) architecture with process and temperature compensation in closed loop bandwidth |
| 04/06/2006 | US20060071715 Process tracking limiter for VCO control voltages |
| 04/06/2006 | US20060071714 Reducing the coupling between LC-oscillator-based phase-locked loops in flip-chip ASICs |
| 04/06/2006 | US20060071696 Digital delay-locked loop circuits with hierarchical delay adjustment |
| 04/06/2006 | DE102004046404A1 Schaltungsanordnung und Verfahren zum Bestimmen einer Frequenzdrift in einem Phasenregelkreis Circuit arrangement and method for determining a frequency drift in a phase locked loop |
| 04/06/2006 | DE102004045288A1 Adjustable signal delay circuit comprises a two signal delay members, delay measurement member, subtractor and amplifer connected to permit delay adjustment and control |
| 04/06/2006 | CA2580945A1 Apparatus and method of oscillating wideband frequency |
| 04/05/2006 | EP1643649A1 Phase locked loop |
| 04/05/2006 | EP1573921B1 Digitally controllable oscillator |
| 04/05/2006 | EP1400079A4 Method and apparatus for desynchronizing a ds-3 signal and/or an e3 signal from the data portion of an sts/stm payload |
| 04/05/2006 | EP1325558B1 Resonator configuration |
| 04/05/2006 | CN1757233A Digital television transmitter and receiver for transmitting and receiving dual stream using 4 level vestigial side band robust data |
| 04/05/2006 | CN1756083A Method for adjusting sampling frequency phase of A/D converter |
| 04/05/2006 | CN1756082A Phase-locked-loop dither signal detection circuit device and its operating method |
| 04/05/2006 | CN1756081A Oscillation frequency control circuit |
| 04/05/2006 | CN1756080A Semiconductor integrated circuit |
| 04/05/2006 | CN1755804A Optical driver including a multiphase clock generator |
| 04/05/2006 | CN1249924C Shake-removing circuit based on digital lock phase loop |
| 04/05/2006 | CN1249551C Clock generation device |
| 04/05/2006 | CN1249447C Low cost CMOS tester with high channel density |
| 04/04/2006 | US7024576 Network interface using programmable delay and frequency doubler |
| 04/04/2006 | US7024171 Fractional-N frequency synthesizer with cascaded sigma-delta converters |
| 04/04/2006 | US7024122 Ultrahigh-speed clock extraction circuit |
| 04/04/2006 | US7023947 Data reproduction apparatus |
| 04/04/2006 | US7023945 Method and apparatus for jitter reduction in phase locked loops |
| 04/04/2006 | US7023944 Method and circuit for glitch-free changing of clocks having different phases |
| 04/04/2006 | US7023943 Detector for detecting timing in a data flow |
| 04/04/2006 | US7023638 Data storage device, data read correction mechanism, and data read control method |
| 04/04/2006 | US7023285 Self-calibrating controllable oscillator |
| 04/04/2006 | US7023284 Dual loop phase locked loop |
| 04/04/2006 | US7023283 Wide lock range phase locked loop and method of operation |
| 04/04/2006 | US7023282 Coarse tuning for fractional-N synthesizers having reduced period comparison error |
| 04/04/2006 | US7023252 Chip level clock tree deskew circuit |
| 04/04/2006 | US7023251 PLL/DLL circuitry programmable for high bandwidth and low bandwidth applications |
| 04/04/2006 | US7023250 Programmable bandwidth during start-up for phase-lock loop |
| 04/04/2006 | US7023249 Phase locked loop with low phase noise and fast tune time |
| 04/04/2006 | US7023248 High voltage tolerant power up detector |
| 04/04/2006 | CA2306977C Phase-locked oscillator with improved digital integrator |
| 03/30/2006 | WO2006033203A1 Delay lock loop circuit, phase lock loop circuit, timing generator, semiconductor tester and semiconductor integrated circuit |
| 03/30/2006 | US20060066413 Oscillator |
| 03/30/2006 | US20060066374 Semiconductor integrated circuit |
| 03/30/2006 | US20060066368 Method and apparatus for frequency synthesis |
| 03/30/2006 | US20060066367 Method and system for providing a power-on reset pulse |
| 03/30/2006 | DE102004063935A1 Frequenzsynthesizer und Verfahren zum Betrieb eines Frequenzsynthesizers Frequency synthesizer and method of operating a frequency synthesizer |
| 03/30/2006 | DE102004015022B4 Direktfrequenzsynthesizer für einen Versatzschleifensynthesizer Direct frequency synthesizer for an offset loop synthesizer |
| 03/29/2006 | EP1641205A2 Apparatus und method for carrier recovery |
| 03/29/2006 | EP1641125A1 Vco device |
| 03/29/2006 | EP1641124A2 Spread spectrum clock generation circuit |
| 03/29/2006 | EP1640733A1 Method and device for digitally measuring the phase of a signal |
| 03/29/2006 | EP1639709A2 Start up circuit for delay locked loop |
| 03/29/2006 | EP1639701A2 Low voltage circuit for interfacing with high voltage analog signals |
| 03/29/2006 | EP1250760B1 Bias disconnection for power saving in pll |
| 03/29/2006 | EP1145438B1 Oscillator using a calibration means |
| 03/29/2006 | CN1754317A Timing control circuit for an optical recording apparatus |
| 03/29/2006 | CN1753393A Automatic frequency control system in receiver |
| 03/29/2006 | CN1753312A Direct digital synthesis device of pulse signal and its method |
| 03/29/2006 | CN1753311A Method and device for digitally measuring the phase of a signal |
| 03/29/2006 | CN1752890A Method of improving satellite time synchronuos pulse holding performance |
| 03/29/2006 | CN1248358C Subminiature microwave cavity |
| 03/28/2006 | US7020794 Interleaved delay line for phase locked and delay locked loops |
| 03/28/2006 | US7020793 Circuit for aligning signal with reference signal |
| 03/28/2006 | US7020791 Clock recovery using a double-exponential smoothing process |
| 03/28/2006 | US7020444 High frequency semiconductor integrated circuit and radio communication system |
| 03/28/2006 | US7020401 Transponder and wavelength division-multiplexing optical transmission equipment |
| 03/28/2006 | US7020230 Frequency synthesizer for dual mode receiver |
| 03/28/2006 | US7020229 Phase-locked loop |
| 03/28/2006 | US7020228 DLL circuit |
| 03/28/2006 | US7020227 Method and apparatus for high-speed clock data recovery using low-speed circuits |
| 03/28/2006 | US7019598 Integrated VCO having an improved tuning range over process and temperature variations |
| 03/28/2006 | US7019595 Frequency synthesizer with automatic tuning control to increase tuning range |
| 03/28/2006 | US7019577 Clock generator |
| 03/28/2006 | US7019573 DLL circuit and camcorder using DLL circuit |
| 03/28/2006 | US7019572 Systems and methods for initializing PLLs and measuring VCO characteristics |
| 03/28/2006 | US7019571 Frequency synthesizer for a wireless communication system |
| 03/28/2006 | US7019570 Dual-gain loop circuitry for programmable logic device |
| 03/28/2006 | US7019569 Method of implementing multi-transfer curve phase lock loop |
| 03/28/2006 | US7019568 Clock independent power-on-reset circuit |
| 03/28/2006 | US7019567 Sine wave generation circuit |
| 03/28/2006 | US7019497 Circuits and methods for synchronizing non-constant frequency switching regulators with a phase locked loop |
| 03/28/2006 | CA2270192C Apparatus and associated method for calibrating a device |
| 03/23/2006 | WO2006031784A1 Reconfigurable radiation desensitivity bracket systems and methods |
| 03/23/2006 | WO2006030576A1 Code nco and gps receiver |
| 03/23/2006 | WO2006030335A2 Compensated high-speed pll circuit |
| 03/23/2006 | WO2005099094A3 Charge pump for a low-voltage wide-tuning range phase-locked loop |
| 03/23/2006 | US20060062340 Phase adjuster |
| 03/23/2006 | US20060062058 Interleaved delay line for phase locked and delay locked loops |
| 03/23/2006 | US20060061428 Real time clock |
| 03/23/2006 | US20060061423 Apparatus and method to generate a 50% duty cycle clock in a single-ended crystal oscillator |
| 03/23/2006 | US20060061422 Oscillation circuits including latches for integrated circuit devices and related methods |
| 03/23/2006 | US20060061397 Power up circuit of semiconductor memory device and compensating method thereof |
| 03/23/2006 | DE19938515B4 Synthesizer für ein Kommunikationsgerät Synthesizer for a communication device |
| 03/23/2006 | DE102004037164A1 Vorrichtung zur geregelten Verzögerung eines Taktsignals Device for the controlled delay of a clock signal |
| 03/23/2006 | DE102004037163A1 Vorrichtung zur Einstellung einer Taktverzögerung Apparatus for adjusting a clock delay |
| 03/23/2006 | DE102004037162A1 Verfahren und Vorrichtung zur Erzeugung eines Taktsignals Method and apparatus for generating a clock signal |
| 03/23/2006 | DE10156439B4 Taktgewinnungseinrichtung für eine Scheibenwiedergabevorrichtung Clock recovery device for a disc reproducing apparatus |
| 03/23/2006 | DE10039898B4 Taktgeneratorvorrichtung und Verfahren zum Erzeugen von Taktsignalen Clock generator device and method for generating clock signals |
| 03/22/2006 | EP1638244A1 Transmission system, receiver, test equipment and test head |
| 03/22/2006 | EP1638207A1 Method of calibrating the frequency of an oscillator in a phase locked loop circuit |
| 03/22/2006 | EP1636904A1 High resolution pwm generator or digitally controlled oscillator |
| 03/22/2006 | EP1454415B1 Low-pass filter for a pll, phase-locked loop and semiconductor integrated circuit |