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)
12/2001
12/19/2001EP1025645B1 Modified third order phase-locked loop
12/19/2001EP0671079B1 An oscillator unit for a base station in a digital cellular radio network
12/19/2001CN1327633A Clock synchronous system and method
12/19/2001CN1327305A High accuracy atom frequency marker intelligent compensating method and its device
12/19/2001CN1076544C Phase-locked ring type device for demodulation to frequency-modulated signal
12/18/2001US6331999 Serial data transceiver architecture and test method for measuring the amount of jitter within a serial data stream
12/18/2001US6331795 Lock determination circuit of PLL for pulling up intermediate electric potential of lock determination gate
12/18/2001US6331792 Circuit and method for unlimited range frequency acquisition
12/13/2001WO2001095552A2 High frequency network receiver
12/13/2001WO2001095493A1 Phase lock circuit
12/13/2001WO2001095492A1 Synchronous device
12/13/2001WO2001095491A1 Inject synchronous narrowband reproducible phase locked loop
12/13/2001WO2001095490A2 Method of digitally synthesizing frequencies with rational relationships to a reference frequency
12/13/2001US20010050952 Circuit configuration for receiving at least two digital signals
12/13/2001US20010050856 Semiconductor device, module including the semiconductor device, and system including the module
12/13/2001US20010050632 Reception circuit and adaptive array antenna system
12/13/2001US20010050585 Digital delay line with synchronous control
12/13/2001US20010050584 Signal phase adjustment circuit to set optimum phase
12/13/2001US20010050580 Radio frequency data communications device
12/13/2001US20010050579 Loop filtering apparatus for reducing frequency lock-up time and phase noise of a phase locked loop for use in a mobile terminal
12/13/2001DE10126589A1 Semiconductor memory device for providing an address access time and data access time with greater speed
12/13/2001DE10028069A1 Verfahren zur Erzeugung einer Frequenz mittels PLL-Schaltung A method for generating a frequency by means of the PLL circuit
12/13/2001CA2411916A1 Method of digitally synthesizing frequencies with rational relationships to a reference frequency
12/12/2001EP1161799A1 Transmitter-receiver
12/12/2001EP1111880A9 Method and apparatus for detecting dual tone alerting signal in telephone systems
12/12/2001CN1326304A Frequency mixing device
12/12/2001CN1076144C Intermittent operation receiver with variable preheat time for its phase-locked circuit
12/11/2001US6330650 Data receiver that performs synchronous data transfer with reference to memory module
12/11/2001US6330296 Delay-locked loop which includes a monitor to allow for proper alignment of signals
12/11/2001US6330291 Frequency tracking for communication signals using M-ary orthogonal walsh modulation
12/11/2001US6330197 System for linearizing a programmable delay circuit
12/11/2001US6330034 Color phase-locked loop for video decoder
12/11/2001US6329883 Method and system for controlling a tuning voltage of a phase-locked loop circuit to an optimal value
12/11/2001US6329882 Third-order self-biased phase-locked loop for low jitter applications
12/11/2001US6329872 Charge pump circuit for a phase locked loop
12/11/2001US6329860 Clock generator producing clock signal quickly adjusted to target frequency
12/11/2001US6329855 Frequency synthesizer
12/11/2001US6329854 Phase locked loop integrated circuits having dynamic phase locking characteristics and methods of operating same
12/11/2001US6329853 PLL circuit
12/11/2001US6329850 Precision frequency and phase synthesis
12/11/2001US6329847 Radio device including a frequency synthesizer and phase discriminator for such a device
12/06/2001WO2001093589A1 Video switching detecting circuit
12/06/2001WO2001093492A1 Clock
12/06/2001WO2001093491A2 High frequency network transmitter
12/06/2001WO2001093418A2 Linear dead-band-free digital phase detection
12/06/2001WO2001093415A1 Digital modulation synthesizer
12/06/2001WO2001045309A3 Phase/frequency detector for dejitter applications
12/06/2001WO2001033249A3 Radio calibration by correcting the crystal oscillator frequency
12/06/2001US20010049812 System and method for compensating for supply voltage induced signal delay mismatches
12/06/2001US20010048715 Single chip CMOS transmitter/receiver
12/06/2001US20010048349 Temperature compensated oscillator, its manufacturing method, and integrated circuit for temperature compensated oscillator
12/06/2001US20010048348 Frequency detection method for adjusting a clock signal frequency and a frequency detector circuit for carrying out the method
12/06/2001US20010048330 Clock generator and digital or telephone poratble terminal using the same
12/06/2001US20010048329 PLL device and programmable frequency-division device
12/06/2001US20010048299 Frequency acquisition for data recovery loops
12/05/2001EP1160984A2 Phase-locked loop with improved trade-off between lock-up time and power dissipation
12/05/2001EP1160967A2 Transconductance tuning circuit with independent frequency and amplitude control
12/05/2001EP1159807A1 Production of clock signals for sampling data signals with different rates using a phase-locking loop
12/05/2001EP1010236B1 Oscillatory circuit with piezoelectric quartz
12/05/2001CN1325576A Variable spread spectrum clock
12/05/2001CN1325187A Frequency converter of realizing programe to non-integer division ratio through unique control charater
12/05/2001CN1325186A Digital phase-locked loop method fo suppressing low frequency drift of clock
12/04/2001US6327666 System and method for external timing using a complex rotator
12/04/2001US6327464 Frequency conversion circuit having a variable trap circuit tuned to the local oscillator frequency
12/04/2001US6327463 Method and apparatus for generating a variable capacitance for synthesizing high-frequency signals for wireless communications
12/04/2001US6327319 Phase detector with frequency steering
12/04/2001US6327318 Process, voltage, temperature independent switched delay compensation scheme
12/04/2001US6326855 Voltage-to-current converter circuit with independent and adjustable compensation for process, voltage, and temperature
12/04/2001US6326853 Circuitry, architecture and method(s) for phase matching and/or reducing load capacitance, current and/or power consumption in an oscillator
12/04/2001US6326852 Low offset and low glitch energy charge pump for PLL-based timing recovery systems
12/04/2001US6326851 Digital phase-domain PLL frequency synthesizer
12/04/2001US6326850 High frequency signal generator from a horological time base
12/04/2001US6326830 Automatic clock calibration circuit
12/04/2001US6326826 Wide frequency-range delay-locked loop circuit
12/04/2001US6326825 Accurate time delay system and method utilizing an inaccurate oscillator
12/04/2001US6326812 Programmable logic device with logic signal delay compensated clock network
12/04/2001US6326757 Rotational pulse generating circuit for commutator DC motors
12/04/2001CA2158809C Delay detection circuit and low-noise oscillation circuit using the same
11/2001
11/29/2001WO2001091299A2 Pll for synthesizing frequencies having rational relationships with a reference frequency
11/29/2001WO2001091298A2 Fractional n-divider, and frequency synthesizer provided with a fractional n-divider
11/29/2001WO2001091297A2 High resolution phase frequency detectors
11/29/2001WO2001091131A1 Timing control means for automatic compensation of timing uncertainties
11/29/2001WO2001090864A2 Timing control means for automatic compensation of timing uncertainties
11/29/2001US20010046272 DLL circuit
11/29/2001US20010045868 Frequency comparator and clock regenerating device using the same
11/29/2001US20010045852 Clock control method and circuit
11/29/2001US20010045851 Clock control method and circuit
11/29/2001US20010045850 Charge Pump Circuit
11/29/2001US20010045849 System including phase lock loop circuit
11/29/2001DE19748885C2 Phasenregelschleife mit Verbesserungen des Phasen-Jitters, MTIEs, der Folgegeschwindigkeit und der Einrastgeschwindigkeit Phase locked loop with improvements to the phase jitter, MTIEs, the follow-up speed and the Einrastgeschwindigkeit
11/29/2001DE10113196A1 Determining rate of data transferred serially at high speed, involves identifying a signature corresponding to the obtained flank characteristics of incoming data flow
11/28/2001EP1158680A1 Phase comparator and clock recovery circuit
11/28/2001EP1158679A1 Method and device for controlling the phase shift of four signals mutually in phase quadrature
11/28/2001EP1157469A1 Electronic device with a frequency synthesis circuit
11/28/2001EP1157464A1 Frequency tracking loop and method of frequency tracking
11/28/2001EP0929901B1 Memory array, memory cell, and sense amplifier test and characterization
11/28/2001EP0929900B1 Data retention test for static memory cell
11/28/2001EP0929898B1 Memory block select using multiple word lines to address a single memory cell row
11/28/2001EP0929896B1 Memory including resistor bit-line loads
11/28/2001EP0929895B1 Active power supply filter
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