Patents for H03L 7 - Automatic control of frequency or phase; Synchronisation (37,643)
11/2013
11/05/2013US8575978 Semiconductor device, electronic device, and method of testing the semiconductor device
11/05/2013US8575977 Low voltage supply comparator and a method to operate the comparator
11/05/2013US8575966 Method of operating phase-lock assistant circuitry
11/05/2013US8575915 Power control system and method
11/05/2013US8575819 Microelectromechanical resonators with passive frequency tuning using built-in piezoelectric-based varactors
10/2013
10/31/2013WO2013162642A1 Two-phase operation of plasma chamber by phase locked loop
10/31/2013WO2013162557A1 Self-biased delay locked loop with delay linearization
10/31/2013WO2013159465A1 Multiple core processor device and clock control implementing method therefor
10/31/2013WO2013126440A3 Automatic detection and compensation of frequency offset of a clock recovery
10/31/2013US20130285757 Control circuit for reducing electromagnetic interference
10/31/2013US20130285753 Automatic self-calibrated oscillation method and apparatus using the same
10/31/2013US20130285752 Reference-Less Frequency Detector
10/31/2013US20130285723 Phase locked loop circuit
10/31/2013US20130285722 Phase locked loop with a frequency multiplier and method of configuring the phase locked loop
10/31/2013US20130285721 Timing monitor for pll
10/31/2013US20130285720 Multiple channel phase detection
10/31/2013US20130285719 Power system data acquisition systems
10/31/2013US20130285717 Power-on-reset circuitry
10/31/2013US20130285716 Power system data acquisition systems
10/31/2013DE102013104149A1 Timing-Überwachungseinrichtung für Phasenregelschleifen Timing monitoring device for phase-locked loops
10/31/2013DE102013100445A1 Phase locked loop switching circuit for use in e.g. portable apparatuses, has frequency multiplier comprising clock input and clock output, where loop bandwidth of multiplier is smaller than loop bandwidth of phase locked loop
10/31/2013DE10164915B4 Datensynchronisations-Schaltungsanordnung Data synchronization circuitry
10/30/2013CN203261316U Clock source
10/30/2013CN203261315U Apparatus, bare die, bare die combination and integrated circuit for changing clock frequency
10/30/2013CN103378859A Timing monitor for pll
10/30/2013CN103378858A Pll电路 Pll circuit
10/30/2013CN103378857A Oscillator, oscillating method, image sensor, and imaging apparatus
10/30/2013CN103378856A Automatic self-calibrated oscillation method and apparatus using the same
10/30/2013CN103378855A Phase-locked loop with frequency multiplier and method for forming the phase-locked loop
10/30/2013CN103378854A Circuits and methods to guarantee lock in delay locked loops and avoid harmonic locking
10/30/2013CN103378853A Phase-locked loop circuit
10/30/2013CN102355260B Current-reuse frequency-halving circuit
10/30/2013CN102045063B Control circuit for voltage controlled oscillator of phase locked loop and control method of control circuit
10/30/2013CN101640535B PLL circuit, communication device, and loopback test method of communication device
10/29/2013US8572539 Variability-aware scheme for high-performance asynchronous circuit voltage regulation
10/29/2013US8570113 Digital VCO calibration method and apparatus
10/29/2013US8570108 Injection-locking a slave oscillator to a master oscillator with no frequency overshoot
10/29/2013US8570107 Clock generating apparatus and frequency calibrating method of the clock generating apparatus
10/29/2013US8570082 PVT-free calibration circuit for TDC resolution in ADPLL
10/29/2013US8570081 Fast measurement initialization for memory
10/29/2013US8570080 Frequency-control circuits and signal generation devices using the same
10/29/2013US8570079 Reducing phase locked loop phase lock time
10/29/2013US8570078 CDR circuit
10/29/2013US8570077 Methods and implementation of low-power power-on control circuits
10/24/2013WO2013158106A1 Unequalized clock data recovery for serial i/o receiver
10/24/2013US20130278347 Compensation for digitally controlled oscillator apparatus and method
10/24/2013US20130278343 Methods and apparatus for tuning devices having resonators
10/24/2013US20130278313 Trigger signal detection apparatus
10/24/2013US20130278312 Synchronization of multiple signal converters
10/24/2013US20130278311 Phase-frequency detection method
10/24/2013US20130278310 Device including a clock generation circuit and a method of generating a clock signal
10/24/2013US20130278309 Semiconductor wafer and method for auto-calibrating integrated circuit chips using pll at wafer level
10/24/2013US20130278308 Methods and systems for controlling a power converter
10/24/2013US20130278305 Semiconductor wafer and method for auto-calibrating integrated circuit chips at wafer level
10/24/2013US20130278303 Auto frequency calibration for a phase locked loop and method of use
10/23/2013EP2654379A1 Highly stable dimming device
10/23/2013CN103368569A 半导体集成电路 The semiconductor integrated circuit
10/23/2013CN103368568A Method for improving output frequency accuracy of phase locked loop and phase locked loop frequency synthesizer
10/23/2013CN103368567A 频率合成器 Frequency synthesizer
10/23/2013CN103368566A Clock control circuit and clock control method
10/23/2013CN103368565A Frequency-limited voltage-controlled oscillator
10/23/2013CN103368564A Semiconductor device and variation information obtaining program
10/23/2013CN103368563A Device and method for tuning frequency of phase-locked loop
10/23/2013CN103368562A Accurate ninety degree phase shifter
10/23/2013CN103363359A Spectral lamp for rubidium atomic frequency standard
10/22/2013US8566627 Adaptive power control
10/22/2013US8565008 Method and apparatus for generating a sequence of clock signals
10/22/2013US8564376 Physical section of atomic oscillator
10/22/2013US8564375 Methods and apparatus for self-trim calibration of an oscillator
10/22/2013US8564374 Oscillator calibration apparatus and oscillator calibration method
10/22/2013US8564348 Clock generator for generating output clock having non-harmonic relationship with input clock and related clock generating method thereof
10/22/2013US8564347 Phase detector circuit for automatically detecting 270 and 540 degree phase shifts
10/22/2013US8564346 Non-overlapping clock generation
10/22/2013US8564345 Digitally controlled delay lines with fine grain and coarse grain delay elements, and methods and systems to adjust in fine grain increments
10/22/2013US8564344 Phase-locked loop control voltage determination
10/22/2013US8564343 Device of phase locked-loop and the method using the same
10/22/2013US8564342 Reference clock compensation for fractional-N phase lock loops (PLLs)
10/22/2013US8564341 DLL circuit and method of controlling the same
10/22/2013US8564340 Dual phase-locked loop circuit and method for controlling the same
10/22/2013US8564339 Method and system for measuring amplitude and phase difference between two sinusoidal signals
10/22/2013US8564338 Switchable load for initializing an output voltage of a power supply
10/22/2013US8564337 Clock tree insertion delay independent interface
10/17/2013WO2013155259A1 Method and apparatus for local oscillator
10/17/2013WO2013154585A1 Frequency control system with dual-input bias generator to separately receive management and operational controls
10/17/2013WO2013154543A1 Re-circulating time-to-digital converter (tdc)
10/17/2013WO2013060608A3 Temperature compensation in a pll
10/17/2013US20130271231 Oscillator module and reference circuit thereof
10/17/2013US20130271229 Method and apparatus for local oscillator
10/17/2013US20130271228 Micro-electro-mechanical-system (mems) driver
10/17/2013US20130271227 Self-biased oscillator
10/17/2013US20130271226 Self-Biased Amplitude-Controlled Oscillator With Constant Harmonic Content
10/17/2013US20130271194 Digital delay-locked loop with drift sensor
10/17/2013US20130271193 Circuits and methods to guarantee lock in delay locked loops and avoid harmonic locking
10/17/2013US20130271192 Wide frequency range delay locked loop
10/17/2013US20130271191 Pll circuit
10/17/2013US20130271190 Vernier phase to digital converter for a rotary traveling wave oscillator
10/17/2013US20130271189 Clock supply apparatus
10/17/2013US20130271186 Wide Range Frequency Synthesizer with Quadrature Generation and Spur Cancellation
10/16/2013CN203243310U Microwave signal source
10/16/2013CN103353548A Power grid voltage synchronization signal extraction device and method thereof
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