Patents for H03L 7 - Automatic control of frequency or phase; Synchronisation (37,643)
12/2000
12/20/2000EP1031183A4 Tunable, energy efficient pll clock
12/20/2000EP1020033A4 Method and apparatus for biasing a charge pump
12/20/2000CN1277720A Clock recovery device
12/20/2000CN1277719A Phase comparator and digital phase-locked circuit
12/20/2000CN1277492A System with adjustable A/D converter clock phase
12/20/2000CN1277490A Delay circuit, clock generating circuit and phase synchronized circuit
12/19/2000US6163710 Method and apparatus for compliance to multiple frequency plans
12/19/2000US6163687 Tuning module for a dual frequency PLL synthesized tuner
12/19/2000US6163684 Broadband frequency synthesizer
12/19/2000US6163585 Phase-locked loop circuit and radio communication apparatus using the same
12/19/2000US6163582 Differentiator, rectifier, mixer, and low-pass filter circuit
12/19/2000US6163516 Optical disc reproduction apparatus and method capable of correcting a characteristic of an equalizer
12/19/2000US6163328 High frequency RF driver
12/19/2000US6163232 Frequency/phase modulator using a digital synthesis circuit in a phase locked loop
12/19/2000US6163226 Current-controlled p-channel transistor-based ring oscillator
12/19/2000US6163224 PLL circuit and method of controlling the same
12/19/2000US6163223 High performance dual mode multiple source/local oscillator module
12/19/2000US6163187 Charge pump circuit for phase locked loop free from spike current
12/19/2000US6163186 System including phase lock loop circuit
12/19/2000US6163185 Phase frequency detector having instantaneous phase difference output
12/19/2000US6163184 Phase locked loop (PLL) circuit
12/19/2000US6163182 Low-noise frequency divider
12/19/2000US6163181 Frequency divider circuit and digital PLL circuit
12/19/2000CA2192937C Electronic viewing aid
12/14/2000WO2000076057A1 Voltage-controlled oscillator with lc resonant circuit
12/14/2000DE19926666A1 Anordnung zur Offsetstromkompensation eines Phasendetektors Arrangement for offset current compensation of a phase detector
12/14/2000DE19924987A1 Vorrichtung zur Unterdrückung von Jittern in Taktregenerierungseinrichtungen The device for suppressing jitter in clock recovery facilities
12/13/2000EP1059730A2 Arrangement for compensating for the offset current of a phase detector
12/13/2000CN1059523C 数字锁相环路 Digital phase-locked loop
12/12/2000US6161000 Transmit-receive system and transmission method, in particular for a mobile telephone
12/12/2000US6160861 Method and apparatus for a frequency modulation phase locked loop
12/12/2000US6160860 Phase-locked loop (PLL) circuit containing a frequency detector for improved frequency acquisition
12/12/2000US6160578 High speed, increased bandwidth camera
12/12/2000US6160456 Phase-locked loop having adjustable delay elements
12/12/2000US6160444 Demodulation of FM audio carrier
12/12/2000US6160433 Method for generating clock and clock generating circuit
12/12/2000US6160432 Source-switched or gate-switched charge pump having cascoded output
12/12/2000US6160426 Semiconductor memory device having clock frequency multiplying apparatus
12/12/2000CA2184670C Method and apparatus for accurate frequency synthesis using global positioning system timing information
12/07/2000WO2000074268A1 Method and device for carrying out simplex data transmission
12/07/2000WO2000074233A1 System and method for linearizing a cmos differential pair
12/07/2000DE19925742A1 Oscillator application in GHz frequency range, has resonant circuit in which inductance is periodically switched in parallel with further inductance via switching device operated with oscillator frequency
12/07/2000DE19924017A1 Verfahren und Vorrichtung zur Simplex-Datenübertragung Method and apparatus for simplex data transfer
12/06/2000EP1058416A2 Device for suppressing jitters in a device for generating a clock signal
12/06/2000EP1058387A2 System with adjustable ADC clock phase
12/06/2000EP1058385A2 Comparator and voltage controlled oscillator circuit
12/06/2000EP1058234A1 Video signal processor
12/06/2000EP1057281A1 Compensation for phase errors caused by clock jitter in a cdma communication system
12/06/2000EP1057266A1 Frequency synthesizer with fractional division charge compensation means
12/06/2000EP1057265A1 Phase lock loop enabling smooth loop bandwidth switching
12/06/2000CN1275835A Circuit and method for restoring digital clock signal
12/05/2000US6157821 Voltage step up for a low voltage frequency synthesizer architecture
12/05/2000US6157810 Distribution of radio-frequency signals through low bandwidth infrastructures
12/05/2000US6157694 Fractional frequency divider
12/05/2000US6157691 Fully integrated phase-locked loop with resistor-less loop filer
12/05/2000US6157690 Digital PLL circuit
12/05/2000US6157604 Sampled amplitude read channel employing a baud rate estimator for digital timing recovery in an optical disk storage device
12/05/2000US6157603 Disk reproduction apparatus capable of continuously varying a reproduction speed
12/05/2000US6157376 Method and apparatus for generating a target clock signal having a frequency of X/Y times the frequency of a reference clock signal
12/05/2000US6157271 Rapid tuning, low distortion digital direct modulation phase locked loop and method therefor
12/05/2000US6157267 Variable frequency multiple loop ring oscillator
12/05/2000US6157264 Phase-locked loop with tunable oscillator
12/05/2000US6157263 High-speed and high-precision phase locked loop having phase detector with dynamic logic structure
12/05/2000US6157262 Phase locked loop frequency source having reduced load pull
12/05/2000US6157261 Method of controlling the amplitude of the microwave signal applied to an atomic clock and follow-up interlocking device for carrying out this method
12/05/2000US6157260 Method and apparatus for calibrating a local oscillator in a direct conversion receiver
12/05/2000US6157254 Double side band pilot technique for a control system that reduces distortion produced by electrical circuits
12/05/2000US6157233 Always-deterministic phase-locked loop
12/05/2000US6157232 Local clock generator
12/05/2000US6157231 Delay stabilization system for an integrated circuit
12/05/2000US6157230 Method for realizing an improved radio frequency detector for use in a radio frequency identification device, frequency lock loop, timing oscillator, method of constructing a frequency lock loop and method of operating an integrated circuit
12/05/2000US6157229 Skew compensation device
12/05/2000US6157198 Automatic timebase calibration for synchronizing a timebase frequency with a frequency reference standard
12/05/2000US6157183 Two port handheld vector network analyzer with frequency monitor mode
11/2000
11/30/2000WO2000072446A1 Integrated vco
11/30/2000DE19917585A1 Phase locked loop with lock assistance
11/30/2000DE10006551A1 Delay fault detection in PLL circuit for very large integrated circuit, involves measuring oscillation frequency maintaining time period, using delay time of variation parameter of instantaneous signal phase
11/29/2000EP1056214A1 Phase locked loop circuit with low power consumption
11/29/2000EP1056207A1 Voltage-controlled ring oscillator with differential amplifiers
11/28/2000US6154640 Method and apparatus for communication and signal synthesis
11/28/2000US6154512 Digital phase lock loop with control for enabling and disabling synchronization
11/28/2000US6154511 Clock extraction circuit
11/28/2000US6154510 Symbol timing recovery based on adjusted, phase-selected magnitude values
11/28/2000US6154508 Method and system for rapidly achieving synchronization between digital communications systems
11/28/2000US6154098 Gain-adjustable voltage-controlled oscillator
11/28/2000US6154097 PLL oscillating circuit including oscillating circuit with mutual conductance controlled
11/28/2000US6154096 Latched charge pump for phase locked loop
11/28/2000US6154095 Phase locked loop clock source provided with a plurality of frequency adjustments
11/28/2000US6154083 Ground bounce control using DLL to optimize output stage di/dt using output driver replica
11/28/2000US6154074 Semiconductor device with test circuit for high accuracy chip testing
11/28/2000US6154073 Delay locked loop device of the semiconductor circuit
11/28/2000US6154071 PLL circuit
11/28/2000US6154016 Voltage-to-current converting circuit which has a wide control range and which utilizes a depletion type field effect transistor
11/28/2000CA2230162C Phase locked loop circuit
11/23/2000WO2000070801A1 System and method for providing master and slave phase-aligned clocks
11/23/2000WO2000070767A1 Digital pll system and fast frequency switching method
11/23/2000WO2000070766A1 Method and apparatus for pll with improved jitter performance
11/23/2000WO2000070744A1 Detector tolerant of frequency misalignment
11/23/2000WO2000070460A1 Redundant synchronous clock distribution for computer systems
11/23/2000WO2000042659A3 System and method for esd protection