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)
12/2012
12/11/2012US8330644 Expandable and reconfigurable instrument node arrays
12/11/2012US8330588 Fast repeater latch
12/11/2012US8330514 One-shot circuit capable of being integrated into a chip, transmitter capable of reducing start-up time, and related method
12/11/2012US8330513 Voltage hold circuit
12/11/2012US8330512 Variable unit delay circuit and clock generation circuit for semiconductor apparatus using the same
12/11/2012US8330511 PLL charge pump with reduced coupling to bias nodes
12/11/2012US8330510 Dual phase detector phase-locked loop
12/11/2012US8330509 Suppression of low-frequency noise from phase detector in phase control loop
12/11/2012US8330508 Phase-generation circuitry with duty-cycle correction and method for generating a multiphase signal
12/11/2012US8330507 Driving controller and internal voltage generation circuit
12/06/2012WO2012165260A1 Signal conversion circuit, pll circuit, delay adjustment circuit, and phase control circuit
12/06/2012WO2012162886A1 Spur suppression in a phase-locked loop
12/06/2012WO2012138515A3 Adjustment of clock signals regenerated from a data stream
12/06/2012US20120307874 Cdr circuit, receiver, and transmitting-receiving system
12/06/2012US20120307581 Semiconductor device on which wafer-level burn-in test is performed and manufacturing method thereof
12/06/2012US20120306580 Correction of Low Accuracy Clock
12/06/2012US20120306553 Time difference adders, time difference accumulators, sigma-delta time-to-digital converters, digital phase locked loops and temperature sensors
12/06/2012US20120306552 Apparatus and system of implementation of digital phase interpolator with improved linearity
12/06/2012US20120306551 Circuit and method for preventing false lock and delay locked loop using the same
12/06/2012US20120306550 Semiconductor apparatus and method for controlling the same
12/06/2012US20120306549 Semiconductor integrated circuit
12/06/2012US20120306548 Initialization circuit for delay locked loop
12/06/2012US20120306538 Phase Detection Circuits and Methods
12/06/2012US20120305814 Reset circuit for electronic devices
12/05/2012EP2529485A1 Electrothermal frequency reference
12/05/2012CN202586929U Broadband X-waveband direct frequency synthesizer
12/05/2012CN202586928U Time difference measuring circuit
12/05/2012CN102812641A Circuit arrangement for production of radio-frequency output signals
12/05/2012CN102812640A Phase Locked Loop (PLL) With Analog And Digital Feedback Controls
12/05/2012CN102811056A Signal to noise ratio evaluation device and method for rubidium atomic frequency standard
12/05/2012CN102811055A Biasing circuit of constant-amplitude voltage-controlled ring oscillator
12/05/2012CN102811054A Relaxation oscillator with low power consumption
12/05/2012CN102811053A Circuit and method for preventing false lock and delay locked loop using the same
12/05/2012CN102811052A Phase-locked loop circuit
12/05/2012CN102809690A Emitter coupling sine integral phase discriminator and detection method thereof
12/05/2012CN101902219B Adaptable phase lock loop transfer function for digital video interface
12/05/2012CN101867368B Clock data recovery circuit and multiplied-frequency clock generation circuit
12/05/2012CN101800539B Digital calibration techniques for segmented capacitor arrays
12/05/2012CN101621297B Detection method and circuit of frequency lock of phase lock loop
12/05/2012CN101542959B Method, circuit and system for receiving data
12/05/2012CN101515913B Fixed loop control method based on additions and shifts
12/04/2012US8325870 Digital phase-locked loops and frequency adjusting methods thereof
12/04/2012US8324946 Clock generator and methods using closed loop duty cycle correction
12/04/2012US8324945 Electronic device with reset circuit
12/04/2012US8324944 Startup circuitry and corresponding method for providing a startup correction to a main circuit connected to a startup circuitry
11/2012
11/29/2012WO2012159647A1 Controllable oscillator with frequency drift compensation
11/29/2012US20120299663 Semiconductor device having on-chip oscillator for producing clock signal
11/29/2012US20120299627 Clock mesh synthesis with gated local trees and activity driven register clustering
11/29/2012US20120299560 Balancing Temperatures in A Multi-Phase DC/DC Converter
11/29/2012US20120299505 Clock generation circuit, display device drive circuit, and control method of clock generation circuit
11/29/2012US20120299120 RF Circuits Including Transistors Having Strained Material Layers
11/28/2012EP2528232A1 Injection-locked frequency divider and pll circuit
11/28/2012EP2526623A2 Phase detection circuits and methods
11/28/2012CN202565253U Broadband ring oscillator
11/28/2012CN202565252U Voltage controlled oscillator
11/28/2012CN202565251U Coherent population trapping (CPT) resonance frequency device based on digital signal processor (DSP) phase lock technology
11/28/2012CN102804606A Digital phase-locked loop architecture
11/28/2012CN102801417A Frequency synthesizer
11/28/2012CN102801416A Phase lock loop circuit
11/28/2012CN102801415A Management device for frequency synthesizer
11/28/2012CN102801414A Bang-bang discriminator used for half speed rate clock data restoring circuit
11/28/2012CN102799102A Self-tuning method and device for temperature control parameters of passive CPT (Coherent Population Trapping) atomic clock
11/28/2012CN102799101A Physical system device for chip coherent population trapping (CPT) atomic clock
11/28/2012CN102055468B Phase locked loop and control method thereof
11/28/2012CN101888256B Multi-mode multi-frequency multi-application direct frequency conversion wireless transceiver
11/28/2012CN101854170B Data signal phase reversal correction method and system implementing the same
11/28/2012CN101675621B Clock extraction device with digital phase lock, requiring no external control
11/27/2012US8319567 Two oscillator synchronization system
11/27/2012US8319563 Digitally controlled oscillator
11/27/2012US8319535 Delay locked loop
11/27/2012US8319534 Phase-locked loop
11/27/2012US8319533 System for detecting a reset condition in an electronic circuit
11/27/2012CA2499328C Digital wireless narrow band radio
11/22/2012WO2012157234A1 Accumulator type fractional-n pll synthesizer and control method thereof
11/22/2012WO2012156952A1 Digitally controlled delay
11/22/2012US20120294095 Dynamic Level Shifter
11/22/2012US20120293269 Integrated circuit frequency generator
11/22/2012US20120293223 Phase locked loop and semiconductor device using the same
11/22/2012US20120293222 Pll circuit
11/22/2012US20120293221 Delay lock loop and delay lock method
11/22/2012US20120293220 Reset Control Device, Reset Control Method and Electronic Device
11/22/2012US20120293211 Delay line off-state control with power reduction
11/22/2012DE102009026906B4 Integrierte Schaltung mit Bezugstaktgeber ohne Quarzoszillator Integrated circuit with reference clock without crystal oscillator
11/21/2012EP2525494A1 Reference frequency generator device
11/21/2012CN202551020U Modularization digital radio station
11/21/2012CN102790617A Crystal oscillator-free realization circuit and method for USB host interface
11/21/2012CN102790616A Low-stray rapid-frequency-hopping frequency synthesizer and fast frequency hopping method applying same
11/21/2012CN102790615A Delay lock loop and delay lock method
11/21/2012CN102118163B Double-loop controlled phase-locked loop
11/21/2012CN102064827B Rubidium oscillator-based standard frequency and time adjusting method
11/21/2012CN101873135B Frequency synthesizer
11/21/2012CN101873130B Pll with loop bandwidth calibration circuit
11/21/2012CN101841230B Zero voltage switching DC-DC power tube drive circuit based on double delay chain phase-locked loop
11/21/2012CN101834601B Method and apparatus for determining peak phase error between clock signals
11/21/2012CN101753138B Double-loop frequency synthesizer and phase noise analyzing method
11/21/2012CN101702699B System and method for reducing LO phase errors
11/21/2012CN101472171B Data conversion system
11/20/2012US8316245 Method and apparatus for fail-safe start-up circuit for subthreshold current sources
11/20/2012US8314885 Image-clock adjusting circuit and method
11/20/2012US8314661 Atomic oscillator
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