Patents for H03L 7 - Automatic control of frequency or phase; Synchronisation (37,643)
07/2008
07/09/2008CN101217276A Method and apparatus for generating multi-phase signals
07/09/2008CN100401637C Rapid locked phase-locked loop
07/09/2008CN100401269C Decision feedback equalization input buffer
07/09/2008CN100400310C Congratulation card device
07/08/2008USRE40424 Structure of delta-sigma fractional type divider
07/08/2008US7398406 Data processor
07/08/2008US7397883 Spread spectrum type clock generation circuit for improving frequency modulation efficiency
07/08/2008US7397882 Digital phase locked circuit capable of dealing with input clock signal provided in burst fashion
07/08/2008US7397881 Erroneous phase lock detection circuit
07/08/2008US7397880 Synchronization circuit and synchronization method
07/08/2008US7397319 Apparatus and method for phase lock loop gain control
07/08/2008US7397313 Auto-gain controlled digital phase-locked loop and method thereof
07/08/2008US7397312 Spectrum analyzer and method for correcting frequency errors
07/08/2008US7397311 Oscillator coupling to reduce spurious signals in receiver circuits
07/08/2008US7397289 Skew adjusting method, skew adjusting apparatus, and test apparatus
07/03/2008WO2008078638A1 Pll burn-in circuit and semiconductor integrated circuit
07/03/2008WO2008078545A1 Information reproducing apparatus
07/03/2008WO2008078512A1 Pll circuit, and disk device
07/03/2008WO2008078452A1 Oscillation frequency control circuit
07/03/2008WO2008077820A1 Digitally controlled analog frequency synthesizer
07/03/2008WO2008077558A1 Circuit arrangement and integrated circuit for generating a voltage-controlled frequency
07/03/2008US20080158220 Power-on-reset circuit and method therefor
07/03/2008US20080157893 Noise reduction within an electronic device using automatic frequency modulation
07/03/2008US20080157889 Voltage Controlled Oscillator for Maintaining Stable Oscillation Frequency Against Fluctuation of Power Supply Voltage
07/03/2008US20080157888 Voltage tune probe, an integrated circuit and a phase locked loop having a voltage tune probe, and a method of screening an integrated circuit employing a phase locked loop thereof
07/03/2008US20080157884 Adaptive Frequency Calibration Device of Frequency Synthesizer
07/03/2008US20080157882 Automatic frequency calibration
07/03/2008US20080157881 Digitally Controlled Analog Frequency Synthesizer
07/03/2008US20080157880 Temperature compensated loop filter
07/03/2008US20080157879 Decreasing frequency synthesizer lock time for a phase locked loop
07/03/2008US20080157878 Voltage-Controlled Oscillator Having Independent Output Frequency and Amplitude
07/03/2008US20080157877 Automated Real-Time Frequency Band Selection Circuit for use with a Voltage Controlled Oscillator
07/03/2008US20080157865 Tunable capacitance multiplier circuit
07/03/2008US20080157840 Systems and Methods for Adding a Delay to a Signal
07/03/2008US20080157839 Time-to-digital converter with non-inverting buffers, transmission gates and non-linearity corrector, soc including such converter and method of phase detection for use in synthesizing a clock signal
07/03/2008US20080157838 Delay locked loop and method for operating thereof
07/03/2008US20080157837 Delay locked loop (DLL) circuit
07/03/2008US20080157836 Delay fixing loop circuit for reducing skew between external and internal clocks or between external clock and data, and a clock locking method thereof
07/03/2008US20080157835 Oscillating apparatus
07/03/2008US20080157834 Charge pump for reducing current mismatch
07/03/2008US20080157833 Method and apparatus for generating multi-phase signals
07/03/2008DE102006033648B4 Phasenregelkreis und Selbstvorspannverfahren für einen Phasenregelkreis Phase-locked loop and self-biasing method of a phase-locked loop
07/03/2008DE102004004091B4 Vorrichtung zur Verwendung bei der Synchronisation von Taktsignalen, sowie Taktsignal-Synchronisationsverfahren Apparatus for use in the synchronization of clock signals, and clock signal synchronization method
07/02/2008EP1940029A1 Low-pass filter and feedback system
07/02/2008EP1938168A2 Method and circuit for local clock generation and smartcard including it thereon
07/02/2008EP1938167A1 Signal generator with a directly recoverable dds signal source
07/02/2008EP1728327B1 Device comprising a frequency divider
07/02/2008EP1671423B1 Phase-switching dual modulus prescaler
07/02/2008EP1119900A4 Methods and apparatus for reducing mosfet body diode conduction in a half-bridge configuration
07/02/2008CN101213783A Synchronization scheme with adaptive reference frequency correction
07/02/2008CN101213752A Semiconductor device and radio circuit device using same
07/02/2008CN101213751A Measure-initialized delay locked loop with live measurement
07/02/2008CN101213750A Arrival-time locked loop
07/02/2008CN101212226A A/D modulator and dynamic bit method and related phase locked loop frequency synthesizer
07/02/2008CN101212225A Charge pump circuit and method for reducing current mismatch and phase locked loop system
07/02/2008CN101212212A High precision oscillator with self-calibration function and calibration method
07/02/2008CN101212198A Voltage controlled oscillator
07/02/2008CN100399701C Variable frequency synthesizer comprising a sigma-delta Modulator
07/02/2008CN100399700C Oscillator circuit operating with a variable driving voltage
07/02/2008CN100399698C Segmental spectrum clock generator apparatus and mehtod for using same
07/02/2008CN100399472C Methods and apparatus for utilizing flash burst mode to improve processor performance
07/01/2008US7394885 Spread-spectrum clock signal generator
07/01/2008US7394884 Synchronizing method
07/01/2008US7394871 Digital implementation of multi-channel demodulators
07/01/2008US7394430 Wireless device reconfigurable radiation desensitivity bracket systems and methods
07/01/2008US7394418 Apparatus comprising a sigma-delta modulator and method of generating a quantized signal-delta modulator
07/01/2008US7394328 Oscillator circuit and test apparatus
07/01/2008US7394323 PLL frequency synthesizer
07/01/2008US7394322 Phase locked loop
07/01/2008US7394321 Quadrature VCO system and method
07/01/2008US7394320 Phase-locked loop and method for operating a phase-locked-loop
07/01/2008US7394319 Pulse width modulation circuit and multiphase clock generation circuit
07/01/2008US7394238 High frequency delay circuit and test apparatus
06/2008
06/26/2008WO2008076546A2 Method and device for managing a power supply power-on sequence
06/26/2008WO2008074129A1 Digital charge pump pll architecture
06/26/2008WO2008024659A3 Circuits to delay a signal from a memory device
06/26/2008WO2007084877A3 Phase-locked loop systems and methods
06/26/2008WO2006130333B1 A system and method for reducing transient response in a fractional n phase lock loop
06/26/2008US20080151117 Horizontal synchronous circuit, display device, and clock adjusting method
06/26/2008US20080150642 Frequency and/or phase compensated microelectromechanical oscillator
06/26/2008US20080150641 Systems Involving Temperature Compensation of Voltage Controlled Oscillators
06/26/2008US20080150640 Spin oscillator device
06/26/2008US20080150598 Apparatus and method for controlling a delay- or phase- locked loop as a function of loop frequency
06/26/2008US20080150597 Apparatus and methods for controlling delay using a delay unit and a phase locked loop
06/26/2008US20080150596 Charge pump circuit
06/26/2008US20080150595 Start-up reset circuit and related method
06/26/2008US20080150593 Power-On Reset Circuit
06/26/2008US20080150592 Sequence circuit
06/26/2008US20080150591 Method and apparatus for synchronizing multiple direct digital synthesizers (DDSs) across multiple printed circuit assemblies (PCAs)
06/26/2008US20080150588 System and Method of Detecting a Phase, a Frequency and an Arrival-Time Difference Between Signals
06/26/2008DE112006002404T5 Taktgenerator, Prüfvorrichtung und Takterzeugungsverfahren Clock generator and tester clock generation method
06/26/2008DE102007059977A1 System for generating micro-mechanical oscillations in micro-mechanical cantilever, has oscillator whose specific side is firmly attached to rigid support and opposite side that includes insulating layer to which cantilever is fixed
06/26/2008DE102007059743A1 Oszillatorschaltung, PLL-Schaltung, Halbleiterchip und Prüfvorrichtung An oscillator circuit, PLL circuit, semiconductor chip and testing device
06/25/2008EP1935100A2 Rf synthesizer and rf transmitter or receiver incorporating the synthesizer
06/25/2008CN101207598A Frequency synthesizer and frequency synthesis method
06/25/2008CN101207364A Variable capacitor used in pressure control oscillator
06/24/2008US7391841 Frequency synthesizer
06/24/2008US7391840 Phase locked loop circuit, electronic device including a phase locked loop circuit and method for generating a periodic signal
06/24/2008US7391839 Accumulator based phase locked loop
06/24/2008US7391838 Transceiver system and method supporting multiple selectable voltage controlled oscillators