H03L 7 - Automatic control of frequency or phase; Synchronisation

Patents for H03L 7 - Automatic control of frequency or phase; Synchronisation (37,643)
12/2004
12/09/2004	US20040246032 Clock shaping device and electronic instrument using the same
12/09/2004	DE10313884A1 Frequenzgenerator mit einer Phasenregelschleife Frequency generator with a phase locked loop
12/09/2004	DE10139112B4 Spannungsgesteuerte Oszillatorschaltung A voltage controlled oscillator circuit
12/08/2004	EP1484880A2 Demodulation device and demodulation method for wireless data communication
12/08/2004	EP1484855A1 Synchronizing PCM and pseudorandom clocks
12/08/2004	EP1484762A2 Information recording apparatus for writable recording media
12/08/2004	EP1484674A1 Maximally digitized fractional-N frequency synthesizer and modulator with maximal fractional spurious removing
12/08/2004	EP1483832A1 Direct automatic frequency control method and apparatus
12/08/2004	EP1214605A4 Charge-based frequency measurement bist
12/08/2004	CN1554154A A calibrated DC compensation system for a wireless communication device configured in a zero intermediate frequency architecture
12/08/2004	CN1553592A Signal phase tracking network
12/08/2004	CN1179483C Phase-locked loop circuit capable of reducing phase deviation and not increasing operating voltage
12/08/2004	CN1179415C Voltage reverting circuit
12/07/2004	US6829548 DLL static phase error measurement technique
12/07/2004	US6829318 PLL synthesizer that uses a fractional division value
12/07/2004	US6829309 Phase detector for baud rate-sampled multi-state signal receiver
12/07/2004	US6829014 Frequency bounded oscillator for video reconstruction
12/07/2004	US6828869 Circuit for temperature determination
12/07/2004	US6828866 High noise rejection voltage-controlled ring oscillator architecture
12/07/2004	US6828865 Phase-locked loop circuit and data reproduction apparatus
12/07/2004	US6828864 Low-jitter loop filter for a phase-locked loop system
12/07/2004	US6828863 Multi-band frequency synthesizer for mobile terminals
12/07/2004	US6828835 Delay locked loop circuit interoperable with different applications
12/07/2004	US6828830 Low power, area-efficient circuit to provide clock synchronization
12/07/2004	US6828654 Thick oxide P-gate NMOS capacitor for use in a phase-locked loop circuit and method of making same
12/07/2004	CA2281522C Delta-sigma based two-point angle modulation scheme
12/02/2004	WO2004105303A1 Multiphase clock recovery
12/02/2004	WO2004105249A2 Voltage shift control circuit for pll
12/02/2004	WO2004105248A1 Programmable loop filter for code tracking loop system
12/02/2004	WO2004105229A1 Delay line based multiple frequency generator circuits for cdma processing
12/02/2004	WO2004055989A3 Low lock time delay locked loops using time cycle supppressor
12/02/2004	US20040242175 Analog open-loop VCO calibration method
12/02/2004	US20040240599 Half-rate clock and data recovery circuit
12/02/2004	US20040240598 Method and system for pattern-independent phase adjustment in a clock and data recovery (CDR) circuit
12/02/2004	US20040240349 Information recording and reproducing apparatus
12/02/2004	US20040239806 Frequency bounded oscillator for video reconstruction
12/02/2004	US20040239434 Phase-switched dual-mode counter circuit for a frequency synthesizer
12/02/2004	US20040239433 Worldwide marketing logistics network including strategically located centers for frequency programming crystal oscillators to customer specification
12/02/2004	US20040239432 Multiple synthesized clocks with fractional PPM control from a single clock source
12/02/2004	US20040239431 Programmable voltage-controlled oscillator with self-calibration feature
12/02/2004	US20040239389 DLL circuit and camcorder using DLL circuit
12/02/2004	US20040239388 Register controlled delay locked loop with low power consumption
12/02/2004	US20040239387 Digitally controlled delay cells
12/02/2004	US20040239386 Method and apparatus for reducing lock time in dual charge-pump phase-locked loops
12/02/2004	US20040239385 Apparatus and method for decreasing the lock time of a lock loop circuit
12/02/2004	US20040239383 Reset signal generating circuit
12/02/2004	US20040239354 Startup/yank circuit for self-biased phase-locked loops
12/02/2004	US20040239340 Resistor value detection circuit
12/02/2004	DE102004020156A1 Einfangsbereich-Steuermechanismus für spannungsgesteuerte Oszillatoren Capture range control mechanism for voltage-controlled oscillators
12/01/2004	EP1482635A2 Transceiver, and method
12/01/2004	EP1482501A2 Information recording apparatus for writable recording media
12/01/2004	EP1481473A1 Methods and apparatus for automatic gain control
12/01/2004	EP1216508B1 Pll loop filter with switched-capacitor resistor
12/01/2004	CN2660787Y Precision delayer
12/01/2004	CN1551584A Clock and data recovery unit
12/01/2004	CN1551504A Apparatus and method for decreasing the lock time of a lock loop circuit
12/01/2004	CN1178485C High definition television vestigial sideband receiver
12/01/2004	CN1178394C Fractional-N frequency synthesiser
12/01/2004	CN1178393C Method for deriving and calibrating frequency of pulse signal
12/01/2004	CN1178210C Apparatus and method for checking swing fault
11/2004
11/30/2004	US6826248 Phase locked loop circuit
11/30/2004	US6826247 Digital phase lock loop
11/30/2004	US6826246 Phase locked loop with control voltage centering
11/30/2004	US6825818 Tunable matching circuit
11/30/2004	US6825785 Digital expander apparatus and method for generating multiple analog control signals particularly useful for controlling a sub-varactor array of a voltage controlled oscillator
11/30/2004	US6825773 Radio frequency data communications device
11/30/2004	US6825733 Low jitter integrated phase locked loop with broad tuning range
11/30/2004	US6825731 Voltage controlled oscillator with frequency stabilized and PLL circuit using the same
11/30/2004	US6825730 High-performance low-noise charge-pump for voltage controlled oscillator applications
11/30/2004	US6825729 Frequency synthesizer with sigma-delta modulation
11/30/2004	US6825728 Method and device for generating frequency adjustment parameters for a voltage controlled oscillator
11/30/2004	US6825703 Delay locked loop and method of driving the same
11/30/2004	US6825702 Method and circuit of locked condition detection for PLL
11/25/2004	WO2004102808A2 Frequency synthesizer with acoustic resonance vco
11/25/2004	WO2004102786A2 Oscillator with harmonic output
11/25/2004	WO2004075412A3 Circuit to linearize gain of a voltage controlled oscillator over wide frequency range
11/25/2004	US20040234017 Delay line based multiple frequency generator circuits for CDMA processing
11/25/2004	US20040233923 Method and system for transmitting data from a first data network into a second data network
11/25/2004	US20040233700 Register controlled DLL for reducing current consumption
11/25/2004	US20040233017 Surface acoustic wave element, frequency filter, oscillator, electronic circuit, and electronic instrument
11/25/2004	US20040233009 Method and apparatus for driving a direct current or voltage controlled oscillator with modulation slope feedback
11/25/2004	US20040233008 Oscillator circuit, oscillator circuit adjusting method, and mass measuring apparatus using oscillator circuit
11/25/2004	US20040232999 Section selection loop filter and phase locked loop circuit having the same
11/25/2004	US20040232998 Phase-locked loop circuit and data reproduction apparatus
11/25/2004	US20040232997 Method and apparatus for temperature compensation
11/25/2004	US20040232996 Phase locked loop (PLL) frequency synthesizer and method
11/25/2004	US20040232995 Dual loop architecture useful for a programmable clock source and clock multiplier applications
11/25/2004	US20040232994 Device for producing a reference frequency signal
11/25/2004	US20040232967 Clock generation circuit capable of setting or controlling duty ratio of clock signal and system including clock generation circuit
11/25/2004	US20040232962 Method and apparatus for characterizing a delay locked loop
11/25/2004	US20040232961 Duty cycle correction circuit of delay locked loop and the delay locked loop having the duty cycle correction circuit
11/25/2004	US20040232960 Phase-error-compensation techniques in a fractional-N PLL frequency synthesizer
11/25/2004	US20040232957 Internal voltage generator for semiconductor device
11/25/2004	US20040232956 Synchronized clocking
11/25/2004	US20040232951 Lock detector for phase locked loops
11/25/2004	US20040232905 Method for correcting an oscillator frequency
11/25/2004	DE10319899A1 Frequency deviation unlocked signal generation procedure uses counters to create pulse signal with length proportional to deviation and detect threshold transgression
11/25/2004	DE102004021003A1 Frequenzsynthesizer und zugehöriges Betriebsverfahren Frequency synthesizer and operating method thereof
11/24/2004	EP1479159A2 Digital phase locked loop
11/24/2004	EP1397772A4 A variable modulus interpolator, and a variable frequency synthesiser incorporating the variable modulus interpolator

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