H03L 7 - Automatic control of frequency or phase; Synchronisation

Patents for H03L 7 - Automatic control of frequency or phase; Synchronisation (37,643)
11/2006
11/08/2006	CN1860425A Device used for the synchronization of clock signals, and clock signal synchronization method
11/08/2006	CN1859008A Automatic regulating method and circuit for phase locking loop frequency synthesizer switch capacitor
11/08/2006	CN1859007A Clock phase detecting device and method
11/08/2006	CN1859006A System and method for realizing holding fuction by analogue phase locking loop
11/08/2006	CN1859005A Clock back-up system in communication device
11/08/2006	CN1859004A Phase-locked loop and method for improving clock accuracy
11/08/2006	CN1858853A System and its method for regulating address while asynchronous clock domain conversion
11/08/2006	CN1858564A Phase-lock closed loop system of resistance vibration pickup type silicon micro mechanical resonant sensor
11/08/2006	CN1284303C Local oscillator leakage control in direct conversion processes
11/07/2006	US7134010 Network interface with double data rate and delay locked loop
11/07/2006	US7133751 Method and apparatus for detecting on-die voltage variations
11/07/2006	US7133484 High-frequency clock generator with low power consumption
11/07/2006	US7133338 Method and related apparatus for evaluating beta-parameter according to results of read data sliced with different slicing levels while performing optimal power control of optical disk drive
11/07/2006	US7132900 High frequency semiconductor integrated circuit device, wireless electric unit and wireless communication system
11/07/2006	US7132898 Phase detector for reducing noise
11/07/2006	US7132897 Method and circuit for producing a control voltage for a VCO
11/07/2006	US7132896 Circuit for minimizing filter capacitance leakage induced jitter in phase locked loops (PPLs)
11/07/2006	US7132895 Digitally-controlled oscillator
11/07/2006	US7132888 Large gain range, high linearity, low noise MOS VGA
11/07/2006	US7132880 High bandwidth, high PSRR, low dropout voltage regulator
11/07/2006	US7132875 Voltage switching circuit
11/07/2006	US7132867 High resolution digital loop circuit
11/07/2006	US7132866 Method and apparatus for glitch-free control of a delay-locked loop in a network device
11/07/2006	US7132865 Mitigating parasitic current that leaks to the control voltage node of a phase-locked loop
11/07/2006	US7132864 Method for configuring multiple-output phase-locked loop frequency synthesizer
11/07/2006	US7132858 Logic circuit
11/02/2006	WO2006114941A1 Clock generating circuit and audio system
11/02/2006	WO2006114807A1 Clock selecting circuit and synthesizer
11/02/2006	WO2006113986A1 Method and apparatus for designing a pll
11/02/2006	WO2006060088A3 Measuring the 3db frequency bandwidth of a phase-locked loop
11/02/2006	US20060244542 Startup/yank circuit for self-biased phase-locked loops
11/02/2006	US20060244499 Jitter generation circuit and semiconductor device
11/02/2006	EP1716642A2 Method and system for operating an atomic clock with alternating-polarization light
11/02/2006	EP1716639A2 Configurable delay line circuit
11/02/2006	EP1716634A1 Improvement of the coarse tuning time in pll with lc oscillator
11/02/2006	EP1716423A1 Method and device for testing a phase locked loop
11/02/2006	EP1518323B1 Phase-locked loop with incremental phase detectors and a converter for combining a logical operation with a digital to analog conversion
11/02/2006	EP1502358B1 A serial to parallel and parallel to serial data transceiver
11/02/2006	EP1397772B1 A variable modulus interpolator, and a variable frequency synthesiser incorporating the variable modulus interpolator
11/02/2006	EP1384286B9 Inverted-f ferroelectric antenna
11/02/2006	EP1206838B1 Stable phase locked loop having separated pole
11/02/2006	DE10301130B4 Taktwiederherstellungsschaltungsanordnung Clock recovery circuitry
11/02/2006	DE102004001578B4 Integrierte Schaltung und Verfahren zum Erzeugen eines Bereitschaftssignals Integrated circuit and method for generating a ready signal
11/01/2006	CN1856937A Method for steering oscillator and the oscillator
11/01/2006	CN1856832A Timing recovery for channels with binary modulation
11/01/2006	CN1856756A Current mirror compensation using channel length modulation
11/01/2006	CN1856710A Method for detecting procoagulant phospholipid
11/01/2006	CN1855880A Data read/write device and method
11/01/2006	CN1855726A Phase-locked loop using continuously auto-tuned inductor-capacitor voltage controlled oscillator
11/01/2006	CN1855029A Graphics card for smoothing the playing of video
10/2006
10/31/2006	US7131021 Apparatus for delay calibration of a forward clock using three feedback clocks and a state transition table
10/31/2006	US7130603 Radio equipment communicatable in two frequency bands and method for generating local oscillator signal in radio equipment
10/31/2006	US7129800 Compensation technique to mitigate aging effects in integrated circuit components
10/31/2006	US7129796 Oscillator circuit with supporting transistor for voltage sweep
10/31/2006	US7129794 Phase detector for reducing noise
10/31/2006	US7129793 Device for calibrating the frequency of an oscillator, phase looked loop circuit comprising said calibration device and related frequency calibration method
10/31/2006	US7129792 Apparatus and method for phase lock loop gain control using unit current sources
10/31/2006	US7129791 Circuit and method for faster frequency switching in a phase locked loop
10/31/2006	US7129790 Phase-locked loop circuit
10/31/2006	US7129789 Fast locking method and apparatus for frequency synthesis
10/31/2006	US7129788 Method and apparatus for driving a direct current or voltage controlled oscillator with modulation slope feedback
10/31/2006	US7129765 Differential clock tree in an integrated circuit
10/31/2006	US7129763 Adjusting power consumption of digital circuitry by generating frequency error representing error in propagation delay
10/31/2006	US7129761 Digital delay-locked loop circuits with hierarchical delay adjustment
10/31/2006	US7129760 Timing vernier using a delay locked loop
10/26/2006	WO2006112797A1 Time delay apparatus
10/26/2006	US20060238908 Timing control circuit for an optical recording apparatus
10/26/2006	US20060238263 Detection Of A Closed Loop Voltage
10/26/2006	US20060238262 Multiple output phase-locked loop (PLL) using a single voltage controlled oscillator (VCO)
10/26/2006	US20060238261 Phase-locked loop using continuously auto-tuned inductor-capacitor voltage controlled oscillator
10/26/2006	US20060238260 Mechanical oscillator control electronics
10/26/2006	US20060238259 Quadrature voltage controlled oscillators with phase shift detector
10/26/2006	US20060238227 Delay-locked loop circuits and method for generating transmission core clock signals
10/26/2006	US20060238226 Fractional-N baseband frequency synthesizer in bluetooth applications
10/26/2006	US20060238216 Semiconductor integrated circuit
10/26/2006	US20060237473 Delay locked loop fine tune
10/26/2006	DE10354522B4 Verfahren und Schaltung zur Erzeugung einer Steuerspannung für einen spannungsgesteuerten Oszillator Method and circuit for generating a control voltage for a voltage controlled oscillator
10/26/2006	DE102006007715A1 Apparatus for performing sigma-delta modulation useful in frequency synthesizer, has pulse generator configured to generate multi-bit signal having at least one pulse, and sigma-delta modulator configured to modulate the multi-bit signal
10/25/2006	EP1715644A1 Pll circuit, demodulator circuit, ic card, and ic card processing apparatus
10/25/2006	EP1714389A2 Oscillator circuit, used in particular for mobile radio communication
10/25/2006	EP1714379A1 Programmable radio transceiver
10/25/2006	EP1714367A2 Systems and methods that employ inductive current steering for digital logic circuits
10/25/2006	EP1504596A4 High-resolution image projection
10/25/2006	EP1388207A4 Apparatus/method for distributing a clock signal
10/25/2006	CN2831617Y Digital phase-locked loop
10/25/2006	CN1853347A PLL frequency synthesizer
10/25/2006	CN1852293A Method and system for requsting to read user registration state
10/25/2006	CN1852269A Method for realizing two-directional interacting of circuit zone and grouping zone, and system therefor
10/25/2006	CN1852027A Clock phase-lock-ring output frequency regulating method
10/25/2006	CN1282356C Clock signal generation apparatus
10/25/2006	CN1282306C Method for generating high frequency signal using multi-phase low frequency signal and related device
10/24/2006	US7127632 Method and device for synchronizing integrated circuits
10/24/2006	US7127225 Accumulator controlled prescaler in a phased locked loop
10/24/2006	US7127021 Interleaved pulse-extended phase detector
10/24/2006	US7127010 Oscillator controlling
10/24/2006	US7126986 Method and system for improved phase tracking
10/24/2006	US7126435 Voltage controlled oscillator amplitude control circuit
10/24/2006	US7126433 Self-calibrating oscillator system
10/24/2006	US7126432 Multi-phase realigned voltage-controlled oscillator and phase-locked loop incorporating the same
10/24/2006	US7126430 PLL circuit

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