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)
11/2009
11/10/2009US7616074 Low-power fast-startup oscillator with digital feedback control
11/10/2009US7616069 Method and system for fast PLL close-loop settling after open-loop VCO calibration
11/10/2009US7616068 Frequency synthesizer for integrated circuit radios
11/10/2009US7616067 Phase synchronization circuit and electronic apparatus
11/10/2009US7616066 Oscillation device and controlling method therefor
11/10/2009US7616065 System and method for charge-pump with phase-frequency detection capability
11/10/2009US7616064 Digital synthesizer for low power location receivers
11/10/2009US7616063 Frequency synthesizer using a phase-locked loop and single side band mixer
11/10/2009US7616037 Method and apparatus for controlling power-down mode of delay locked loop
11/10/2009US7616036 Programmable strobe and clock generator
11/10/2009US7616035 Charge pump for PLL/DLL
11/10/2009US7616034 Circuit for controlling data output
11/10/2009US7616033 Apparatus and method for supplying voltage in semiconductor device
11/10/2009US7616032 Internal voltage initializing circuit for use in semiconductor memory device and driving method thereof
11/10/2009US7616031 Hard reset and manual reset circuit assembly
11/10/2009US7616030 Semiconductor device and operation method thereof
11/10/2009CA2408595C Method and apparatus for compensating local oscillator frequency error through environmental control
11/05/2009WO2009134880A1 System and method of controlling power consumption in a digital phase locked loop (dpll)
11/05/2009WO2009133331A1 Charge-pump phase/frequency detector
11/05/2009WO2009109640A3 Dual phase detector phase-locked loop
11/05/2009WO2009107044A3 Frequency synthesis
11/05/2009WO2009098686A3 Device, system, and method of frequency generation using an atomic resonator
11/05/2009US20090273402 Phase-locked loop
11/05/2009US20090273381 Delayed locked loop circuit
11/05/2009US20090273380 Delay locked loop circuit and method thereof
11/05/2009US20090273379 Self-Biased Phase Locked Loop and Phase Locking Method
11/05/2009US20090273378 Clock configuration
11/05/2009US20090273377 Threshold dithering for time-to-digital converters
11/05/2009US20090273376 Ac/dc converters and methods of manufacturing same
11/05/2009US20090273371 Phase comparator, phase synchronizing circuit, and phase-comparison control method
11/04/2009EP2114012A1 Cycle slip detection for timing recovery
11/04/2009EP2114011A1 Cycle slip detection for timing recovery
11/04/2009EP1668373B1 Method for detecting procoagulant phospholipid
11/03/2009US7613267 Digitally-synthesized loop filter method and circuit particularly useful for a phase locked loop
11/03/2009US7613263 Clock and data recovery method and apparatus
11/03/2009US7612625 Bang-bang architecture
11/03/2009US7612619 Phase detector device and method thereof
11/03/2009US7612618 PLL apparatus for OFDM system having variable channel bands and operating method thereof
11/03/2009US7612617 Voltage-controlled oscillator gain calibration for two-point modulation in a phase-locked loop
11/03/2009US7612591 DLL circuit of semiconductor memory apparatus and method of delaying and locking clock in semiconductor memory apparatus
11/03/2009US7612590 Oscillating apparatus
11/03/2009US7612589 Phase-locked loop and control method utilizing the same
11/03/2009US7612588 Power on detection circuit
10/2009
10/29/2009WO2009132147A1 System and method of calibrating power-on gating window for a time-to-digital converter (tdc) of a digital phase locked loop (dpll)
10/29/2009WO2009094497A3 Self-oscillating regulated low-ripple charge pump and method
10/29/2009US20090268847 Phase locked loop modulator calibration techniques
10/29/2009US20090267700 Timing oscillators and related methods
10/29/2009US20090267697 Frequency synthesizer using a phase-locked loop and single side band mixer
10/29/2009US20090267668 Method and apparatus for calibrating a delay chain
10/29/2009US20090267667 Low Power Programmable Clock Delay Generator with Integrated Decode Function
10/29/2009US20090267666 Phase Difference Detector And Phase Difference Detection Method
10/29/2009US20090267665 Semiconductor memory device for generating a delay locked clock in early stage
10/29/2009US20090267664 Pll circuit
10/29/2009US20090267663 Electronic system that adjusts dll lock state acquisition time
10/29/2009US20090267662 Fast response phase-locked loop charge-pump driven by low voltage input
10/29/2009US20090267661 Pll control circuit
10/29/2009US20090267660 Circuit and design structure for synchronizing multiple digital signals
10/29/2009US20090267658 Synchronizing Frequency and Phase of Multiple Variable Frequency Power Converters
10/29/2009US20090267657 Method and apparatus for divider unit synchronization
10/29/2009DE112007003118T5 Verfahren und Vorrichtung für das Management einer Leistungsversorgungs-Einschaltfolge Method and apparatus for managing a power supply start-up sequence
10/28/2009CN101569103A Digitally controlled analog frequency synthesizer
10/28/2009CN101569102A Clock generation with minimum number of crystals in a multimedia system
10/28/2009CN101568967A Phase comparator, PLL circuit, information regeneration processing apparatus, optical disc regenerating apparatus, and magnetic disc regenerating apparatus
10/28/2009CN101567778A Receiver circuit
10/28/2009CN101567691A Microwave cavity for hydrogen atomic clock
10/28/2009CN101567690A Phase-locked loop charge pump driven by low voltage input
10/28/2009CN101567689A Phase-locked loop based on equivalent phase demodulation frequency
10/28/2009CN101567688A Display driver and embedded phase correcting circuit thereof
10/28/2009CN101567687A Signal generation circuit
10/28/2009CN101567678A Numerical control ring-shaped oscillator with adjustable grade
10/28/2009CN101567677A Reference clock frequency generator
10/28/2009CN101567662A 压控振荡器 Voltage Controlled Oscillator
10/28/2009CN100555931C Device, system and method for adjusting signal sampling point
10/28/2009CN100555875C Sigma-delta-converter and use thereof
10/28/2009CN100555874C Digital delta-sigma modulator in a fractional-N frequency synthesizer
10/28/2009CN100555872C Spread spectrum clock generation circuit and a method of controlling thereof
10/28/2009CN100555871C Digital delay locked loop capable of correcting duty cycle and its method
10/28/2009CN100555630C Delay locking loop of reinforced interfrence proof phase swinging of blocking circuit and its method
10/28/2009CA2630082A1 System and method for generating a reset signal
10/27/2009US7610030 Wireless transmit-only apparatus and method
10/27/2009US7609121 Multiple status e-fuse based non-volatile voltage control oscillator configured for process variation compensation, an associated method and an associated design structure
10/27/2009US7609118 Phase-locked loop calibration system
10/27/2009US7609117 Phase-locked loop circuit with current-pulse injection for improving linearity
10/27/2009US7609100 On-chip signal waveform measurement apparatus for measuring signal waveforms at detection points on IC chip
10/27/2009US7609099 Power-on detecting circuit
10/22/2009WO2009129258A1 Phase to digital converter in all digital phase locked loop
10/22/2009WO2009127915A1 Pll system and method for controlling a gain of a vco circuit
10/22/2009WO2009092499A3 Communication unit and method for frequency synchronising in a cellular communication network
10/22/2009US20090262878 System and method of calibrating power-on gating window for a time-to-digital converter (tdc) of a digital phase locked loop (dpll)
10/22/2009US20090262877 Computation spreading utilizing dithering for spur reduction in a digital phase lock loop
10/22/2009US20090261910 Method and system for configuration of a phase-locked loop circuit
10/22/2009US20090261909 Voltage-controlled oscillator including plurality of delay cells
10/22/2009US20090261877 Duty cycle correction circuit with wide-frequency working range
10/22/2009US20090261876 Voltage controlled oscillator
10/22/2009US20090261875 Electronic circuit
10/22/2009US20090261874 Phase locked loop with small size and improved performance
10/22/2009US20090261873 Signal generating circuit
10/22/2009US20090261872 Fast, low power formatter for automatic test system
10/22/2009US20090261871 Method and system for power saving and state retention in electronic device
10/22/2009US20090261870 Power-on detection circuit for detecting minimum operational frequency
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