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
08/25/2005WO2005060043A3 Phase shifters, such as for a multiple antenna wireless communication system
08/25/2005US20050188236 System and method for providing clock signals
08/25/2005US20050187752 Method and apparatus for signal phase locking
08/25/2005US20050186929 DDS-PLL method for frequency sweep
08/25/2005US20050186920 Apparatus for and method of noise suppression and dithering to improve resolution quality in a digital RF processor
08/25/2005US20050186918 RF integrated circuit comprising a frequency synthesizer not very sensitive to injection locking
08/25/2005US20050185750 Frequency synthesizer
08/25/2005US20050185748 Methods and apparatus for monitoring frequency corrections in a clock and data recovery phase-lock loop, and for deriving operating indications therefrom
08/25/2005US20050185747 Phase detector with extended linear operating range
08/25/2005US20050185746 Differential charge pump
08/25/2005US20050185498 Timing calibration pattern for SLDRAM
08/25/2005US20050184901 Delta/sigma frequency discriminator
08/25/2005US20050184822 Reference oscillator frequency stabilization
08/25/2005US20050184818 High frequency oscillator using dielectric resonator
08/25/2005US20050184816 Injection locked high frequency oscillator
08/25/2005US20050184813 Multi-primary distributed active transformer oscillator power supply and control
08/25/2005US20050184812 Capacitor bank and voltage controlled oscillator having the same
08/25/2005US20050184811 Semiconductor integrated circuit
08/25/2005US20050184810 PLL circuit
08/25/2005US20050184786 Automatic time constant adjustment circuit
08/25/2005US20050184776 System and method for implementing a micro-stepping delay chain for a delay locked loop
08/25/2005US20050184775 System and method for implementing a micro-stepping delay chain for a delay locked loop
08/25/2005US20050184774 Charge pump
08/25/2005US20050184773 Microprocessor with power saving clock
08/25/2005US20050184772 Powerup control of pll
08/25/2005US20050184771 Semiconductor apparatus
08/25/2005US20050184769 Synchronization of signals
08/25/2005US20050184766 Amplitude-controlled oscillator circuit and method for operating an amplitude-controlled oscillator circuit
08/25/2005US20050184764 Method and apparatus for detecting on-die voltage variations
08/25/2005DE19906561B4 Phase control circuit for wireless communication equipment, has voltage controlled oscillator, phase comparator creating first control signal, control unit creating second control signal, and control signal selector switching
08/25/2005DE102004008235B3 Transceiver and radio system used in vehicles, with compensation for drift from nominal frequency, includes controller calculating time parameter from real time signal
08/25/2005DE102004005261A1 Oscillator circuit to be controlled for amplitude has an oscillator to set up a frequency signal (FS) with controllable signal amplitude and a modified circuit to split the FS's frequency
08/25/2005DE102004004091A1 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
08/24/2005EP1566806A1 Data reproducing apparatus having phase difference corrector and data head detector
08/24/2005EP1565990A1 Frequency generator
08/24/2005EP1565989A1 Self-adjusting programmable on-chip clock aligner
08/24/2005CN2720727Y Digital phase shift circuit
08/24/2005CN1658508A High-speed double power-supply phase-lock loop
08/24/2005CN1658507A Double correction software phase-lock loop implementation method
08/24/2005CN1658506A Phase-locked loop signal generating device of commutator
08/24/2005CN1216470C Device and method for generating clock with optional frequency usable clock
08/24/2005CN1216463C Phase detector without flutter generating in clock return circuit
08/24/2005CN1216459C Oscillating device
08/24/2005CN1216373C Voltage controlled oscillator
08/23/2005US6934869 Method and apparatus for eliminating dead zone in phase locked loops using binary quantized phase detectors
08/23/2005US6934866 Network interface using programmable delay and frequency doubler
08/23/2005US6934731 Rational frequency synthesizers employing digital commutators
08/23/2005US6934349 Phase detector and phase locked loop circuit
08/23/2005US6934347 Method for recovering a clock signal in a telecommunications system and circuit thereof
08/23/2005US6934307 Multichannel communications link receiver having parallel optical components
08/23/2005US6933798 Trimming method and trimming device for a PLL circuit for two-point modulation
08/23/2005US6933791 Frequency synthesizing circuit having a frequency multiplier for an output PLL reference signal
08/23/2005US6933790 Phase locked loop circuit
08/23/2005US6933789 On-chip VCO calibration
08/23/2005US6933782 Degenerative inductor-based gain equalization
08/23/2005US6933761 Techniques for dynamically selecting phases of oscillator signals
08/23/2005US6933758 Synchronous mirror delay circuit with adjustable locking range
08/23/2005US6933757 Timing method and apparatus for integrated circuit device
08/23/2005US6933754 Clock gated power supply noise compensation
08/23/2005US6933518 RF circuits including transistors having strained material layers
08/18/2005WO2005076480A1 Reference oscillator frequency stabilization
08/18/2005US20050182804 Signal processing apparatus, non-integer divider, and fractional N-PLL synthesizer using the same
08/18/2005US20050180536 Interpolator based clock and data recovery (CDR) circuit with digitally programmable BW and tracking capability
08/18/2005US20050180490 Spread spectrum type clock generation circuit for improving frequency modulation efficiency
08/18/2005US20050179501 Dynamic threshold for vco calibration
08/18/2005US20050179478 Device to be used in the synchronization of clock pulses, as well as a clock pulse synchronization process
08/18/2005US20050179477 Integrated circuit and method for generating a ready signal
08/18/2005US20050179476 System and method for creating a limited duration clock divider reset
08/18/2005DE102005003155A1 PLL-Phasen/Frequenz-Detektor mit einer Ladungspumpe mit voll differentiellem Ausgang PLL phase / frequency detector with a charge pump with fully differential output
08/17/2005EP1564950A1 Timing signal generator
08/17/2005EP1564949A1 Reduction of common mode signals
08/17/2005EP1564948A1 Digital transmission with controlled rise and fall times
08/17/2005EP1564925A2 Method and apparatus for synchronising a functional unit to a predetermined clock frequency
08/17/2005EP1564890A1 Analogue self-calibration method and apparatus for low noise, fast and wide-locking range phase locked loop
08/17/2005EP1564889A1 Centering a multi-band voltage controlled oscillator
08/17/2005EP1563605A1 Pll with balanced quadricorrelator
08/17/2005EP1336249B1 Delay-locked loop circuit
08/17/2005CN1656686A Pll电路 Pll circuit
08/17/2005CN1656685A Phase-locked loop
08/17/2005CN1656684A Synchronization signal processor
08/17/2005CN1655587A Synchronous clock generation apparatus and synchronous clock generation method
08/17/2005CN1655458A Frequency synthesizer and automatic gain calibration method
08/17/2005CN1655457A Fractional frequency divider circuit and data transmission apparatus using the same
08/17/2005CN1655456A Voltage-controlled analog delay locked loop and method for operating same
08/17/2005CN1655455A Method and apparatus for handling reversion of primary and secondary clock systems
08/16/2005US6931243 Fully integrated low noise multi-loop synthesizer with fine frequency resolution for HDD read channel and RF wireless local oscillator applications
08/16/2005US6931089 Phase-locked loop with analog phase rotator
08/16/2005US6931088 Signal processing circuit for preventing pseudo lock of timing recovery PLL
08/16/2005US6931087 Feedforward clock switching circuit
08/16/2005US6931086 Method and apparatus for generating a phase dependent control signal
08/16/2005US6930628 Amplitude detection for controlling the decision instant for sampling as a data flow
08/16/2005US6930562 Oscillation with multiple series circuits in parallel
08/16/2005US6930561 Multi-band voltage controlled oscillator
08/16/2005US6930560 High-speed and high-precision phase locked loop
08/16/2005US6930559 Oscillation state discrimination circuit and oscillation control circuit adapted to oscillation circuit
08/16/2005US6930558 Pulse-width to voltage converter
08/16/2005US6930524 Dual-phase delay-locked loop circuit and method
08/16/2005US6930523 Apparatus and method for reflection delay splitting digital clock distribution
08/16/2005US6930521 Circuit for controlling the performance of an integrated circuit
08/16/2005US6930519 Frequency division/multiplication with jitter minimization
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