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)
11/2008
11/04/2008US7446617 Low power consumption frequency divider circuit
11/04/2008US7446615 Semiconductor integrated circuit with clock generator
11/04/2008US7446614 Logical level converter and phase locked loop using the same
11/04/2008US7446580 System and method to improve the efficiency of synchronous mirror delays and delay locked loops
11/04/2008US7446579 Semiconductor memory device having delay locked loop
11/04/2008US7446578 Spread spectrum clock generator
10/2008
10/30/2008WO2007062309B1 Rf transceiver and a method of operation therein
10/30/2008US20080269928 Digital PLL and applications thereof
10/30/2008US20080267337 Low wander timing generation and recovery
10/30/2008US20080266454 Video sink device
10/30/2008US20080266012 Method for controlling high-frequency radiator
10/30/2008US20080266004 Phase-locked loop and method for operation an electromechanical system
10/30/2008US20080266002 Frequency synthesizer
10/30/2008US20080266001 Dual reference phase tracking phase-locked loop
10/30/2008US20080266000 Digital Frequency Multiplier Circuit
10/30/2008US20080265999 Radiation source
10/30/2008US20080265998 Dual pll loop for phase noise filtering
10/30/2008US20080265959 PLL circuit and frequency setting circuit employing the same
10/30/2008US20080265958 Method for Noise Reduction in a Phase Locked Loop and a Device Having Noise Reduction Capabilities
10/30/2008US20080265957 Self-Resetting Phase Frequency Detector with Multiple Ranges of Clock Difference
10/30/2008US20080265956 Semiconductor device having input circuits activated by clocks having different phases
10/30/2008US20080265955 Synchronization circuit and method
10/30/2008US20080265934 Semiconductor integrated circuit and method of testing same
10/29/2008EP1986323A2 Power-on-reset circuitry
10/29/2008EP1769580A4 Low power and low timing jitter phase-lock loop and method
10/29/2008CN201142678Y Alternation synchronous sampling real-time compensating device based on phase lock loop
10/29/2008CN101296069A Clock data recovery circuit, voltage controlled oscillator and phase selector
10/29/2008CN101295982A Frequency synthesizer
10/29/2008CN101295981A System clock regulating circuit
10/28/2008US7443941 Method and system for phase offset cancellation in systems using multi-phase clocks
10/28/2008US7443929 Method and circuit for adaptive control of the bandwidth of a carrier recovery loop in radio transmission systems
10/28/2008US7443743 Method and system for improved efficiency of synchronous mirror delays and delay locked loops
10/28/2008US7443260 Low-power oscillator
10/28/2008US7443257 Mechanical oscillator control electronics
10/28/2008US7443252 Calibration circuit and operation method for voltage-controlled oscillator
10/28/2008US7443251 Digital phase and frequency detector
10/28/2008US7443250 Programmable phase-locked loop responsive to a selected bandwidth and a selected reference clock signal frequency to adjust circuit characteristics
10/28/2008US7443249 Phase locked loop for stably operating in a matter that is insensitive to variation in process, voltage and temperature and method of operating the same
10/28/2008US7443248 Apparatus and method for phase lock loop gain control using unit current sources
10/28/2008US7443247 Circuit arrangement for detection of a locking condition for a phase locked loop, and a method
10/28/2008US7443216 Trimmable delay locked loop circuitry with improved initialization characteristics
10/28/2008US7443215 Methods and apparatus to increase the resolution of a clock synthesis circuit that uses feedback interpolation
10/28/2008US7443214 PLL circuit and frequency setting circuit using the same
10/28/2008US7443213 Staged locking of two phase locked loops
10/23/2008WO2008127972A1 Cost effective low noise single loop synthesizer
10/23/2008WO2008126463A1 Reception apparatus
10/23/2008WO2008126429A1 Clock data regenerating circuit and its control method
10/23/2008WO2008126223A1 Digital phase synchronizing circuit and digital phase synchronizing circuit control method
10/23/2008WO2008126168A1 Frequency synthesizer
10/23/2008WO2008102246A3 An apparatus for generating a plurality of signals
10/23/2008WO2008092154A8 System and method to extend synchronous operation of an active converter in a variable speed drive
10/23/2008US20080260087 Multi-band burst-mode clock and data recovery circuit
10/23/2008US20080260044 Fft-based multichannel video receiver
10/23/2008US20080258942 Sigma-delta multiplier, phase-locked loop with extended tuning range and methods for generating rf signals
10/23/2008US20080258830 Ic for control of temperature-compensated crystal oscillator
10/23/2008US20080258825 Digital Component Deterministic Pseudo Random Clock and Noise Source Device Based on a Random Frequency Modulated Oscillator
10/23/2008US20080258823 Self-compensating voltage-controlled oscillator
10/23/2008US20080258785 Periodic signal synchronization apparatus, systems, and methods
10/23/2008US20080258780 Frequency divider
10/23/2008DE102008018437A1 Vorrichtung zum Synchronisieren von Taktsignalen, mit der es möglich ist, Taktjitter zu filtern An apparatus for synchronizing clock signals, with which it is possible to clock jitter filtering
10/22/2008EP1983650A1 Corrected DE translation: Differenzzeit-Digital-Wandler Corrected FR translation: Convertisseur temps différentiel-numérique
10/22/2008EP1982410A1 Oscillator gain equalization
10/22/2008CN101292425A A phase locked loop system having locking and tracking modes of operation
10/22/2008CN101291150A Method of realizing single-phase phase-locked loop by software
10/22/2008CN100428630C Synchronous digital system clock and producing method
10/21/2008US7440518 Phase-locked loop circuit
10/21/2008US7439817 Frequency tuning range extension and modulation resolution enhancement of a digitally controlled oscillator
10/21/2008US7439816 Phase-locked loop fast lock circuit and method
10/21/2008US7439815 Method and apparatus for switching on an ultrasound oscillation system
10/21/2008US7439814 Method and system for operating an atomic clock with simultaneous control of frequency and magnetic field
10/21/2008US7439813 Method and system for generating carrier frequencies for UWB application
10/21/2008US7439812 Auto-ranging phase-locked loop
10/21/2008US7439784 Charge pump for reducing current mismatch
10/21/2008US7439783 Phase-locked loop systems and methods
10/21/2008US7439782 Semiconductor integrated circuit device with power-on reset circuit for detecting the operating state of an analog circuit
10/21/2008US7439781 Power detection circuit for non-contact IC card or RFID tag
10/21/2008US7439724 On-chip jitter measurement circuit
10/16/2008WO2008124718A2 Light emitting diode controller, methods of light emitting diode control, and components for same
10/16/2008WO2008123542A1 Pll circuit device and control device
10/16/2008WO2008123470A1 Demodulation device, test device, and electronic device
10/16/2008WO2008122958A2 High-frequency counter
10/16/2008WO2008122632A1 Charge pump cmos circuit
10/16/2008US20080252385 Highly Sensitive Force/Mass Detection Method and Device Using Phase Synchronization Circuit
10/16/2008US20080252384 Cost effective low noise single loop synthesizer
10/16/2008US20080252383 Phase locked loop and method for compensating temperature thereof
10/16/2008US20080252365 Apparatus and method for tuning center frequency of a filter
10/16/2008US20080252347 Device for detecting a timing of an edge
10/16/2008US20080252346 Circuit having a clock signal synchronizing device with capability to filter clock-jitter
10/16/2008US20080252345 System and method for generating a reset signal
10/16/2008US20080252344 Timing vernier using a delay locked loop
10/16/2008US20080252343 Dll circuit
10/16/2008US20080252342 Charge pump for PLL/DLL
10/16/2008US20080252341 Clock signal distribution circuit and interface apparatus using the same
10/16/2008US20080252340 Delay locked loop (dll) circuits having an expanded operation range and methods of operating the same
10/16/2008US20080252339 Method and apparatus for generating synchronous clock signals from a common clock signal
10/15/2008EP1981087A2 Electrical device comprising a voltage dependant capacitance and method of manufacturing the same
10/15/2008EP1943737A4 High resolution auto-tuning for a voltage controlled oscillator
10/15/2008EP1856804A4 Low noise divider
10/15/2008CN101286741A Method and apparatus for generating synchronous clock signals from a common clock signal
10/15/2008CN101286740A Phase-lock loop to improve output clock performance by voltage controlled oscillator with changeable stages
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