H03L 7 - Automatic control of frequency or phase; Synchronisation

Patents for H03L 7 - Automatic control of frequency or phase; Synchronisation (37,643)
08/2011
08/23/2011	US8004327 Phase locked oscillator and radar unit having the same
08/23/2011	US8004326 Digital charge pump PLL architecture
08/23/2011	US8004325 Semiconductor device having controlled DLL start-up period
08/23/2011	US8004324 Phase-locked loop frequency synthesizer of fractional N-type, and phase shift circuit with frequency converting function
08/23/2011	US8004323 PLL control circuit
08/23/2011	US8004322 Synchronization scheme with adaptive reference frequency correction
08/23/2011	US8004321 Method of implementing power-on-reset in power switches
08/18/2011	WO2011059842A3 Techniques for phase detection
08/18/2011	US20110199138 Semiconductor device and test method thereof
08/18/2011	US20110199137 Loop filter and voltage controlled oscillator for a phase-locked loop
08/18/2011	US20110199136 Charge pump and phase-detecting apparatus, phase-locked loop and delay-locked loop using the same
08/18/2011	US20110199135 Pll circuit
08/18/2011	US20110199134 Test apparatus, transmission apparatus, receiving apparatus, test method, transmission method and receiving method
08/18/2011	US20110199133 Test apparatus and test method
08/18/2011	DE102005050828B4 Verfahren und Vorrichtung zur Teilung einer Frequenz durch einen Fraktionalteiler und Fraktional-n-PLL Method and apparatus for dividing a frequency by a Fraktionalteiler and fractional-N PLL
08/17/2011	EP2356748A1 Optimal dithering of a digitally controlled oscillator with clock dithering for gain and bandwidth control
08/17/2011	EP2356657A1 Mesochronous signaling system with multiple power modes
08/17/2011	EP2356511A1 Frequency adjustable optoelectronic device for frequency discrimination
08/17/2011	EP2258047B1 Frequency synthesis
08/17/2011	CN201937572U 一种cpt原子钟伺服电路 One kind cpt atomic servo circuit
08/17/2011	CN1972127B Generation circuit and device of low-frequency clock
08/17/2011	CN102160292A Techniques for generating fractional clock signals
08/17/2011	CN102160291A Oscillating circuit, DC-DC converter, and semiconductor device
08/17/2011	CN102158228A Very low voltage millimeter wave injection-locked dichotomous frequency divider
08/17/2011	CN102158227A Non-integer N type phase-locked loop
08/17/2011	CN102158226A Voltage holding circuit
08/17/2011	CN102158225A Frequency mixing method and numerically controlled oscillator
08/17/2011	CN102158224A Voltage-controlled oscillator (VCO)
08/17/2011	CN102158223A Voltage-controlled oscillator
08/17/2011	CN102158222A Signal generator
08/17/2011	CN102158221A Phase locked loop and rapid locking device thereof
08/17/2011	CN102158075A Charge pump circuit in charge pump phase-locking loop
08/17/2011	CN101588178B Self-biased phase-locked loop
08/17/2011	CN101536315B Zero-delay buffer with common-mode equalizer for input and feedback differential clocks into a phase-locked loop (pll)
08/17/2011	CN101527540B Voltage-control oscillator circuits with combined mos and bipolar device and frequency mixer
08/17/2011	CN101093994B Self error-correcting high speed scalar frequency divider with large range in integrate circuit chip
08/16/2011	USRE42615 Method and system for displaying an analog image by a digital display device
08/16/2011	US8001410 Efficient clocking scheme for ultra high-speed systems
08/16/2011	US8000430 Wide frequency range delay locked loop
08/16/2011	US8000428 All-digital frequency synthesis with DCO gain calculation
08/16/2011	US8000406 Timing of ultra wideband pulse generator
08/16/2011	US7999626 Physical section of atomic oscillator
08/16/2011	US7999625 Method and apparatus for calibrating oscillators
08/16/2011	US7999623 Digital fractional-N phase lock loop and method thereof
08/16/2011	US7999622 Adaptive phase noise cancellation for fractional-N phase locked loop
08/16/2011	US7999586 Digital phase locked loop with closed loop linearization technique
08/16/2011	US7999585 Calibrating multiplying-delay-locked-loops (MDLLS)
08/16/2011	US7999584 Method and apparatus for on-chip phase error measurement to determine jitter in phase-locked loops
08/16/2011	US7999583 Method and apparatus for on-chip phase error measurement to determine jitter in phase-locked loops
08/16/2011	US7999582 Apparatus for supplying voltage free from noise and method of operation the same
08/11/2011	WO2011097442A1 Clock and data recovery circuitry with auto-speed negotiation and other possible features
08/11/2011	WO2011028248A3 Electronic self-healing methods for radio-frequency receivers
08/11/2011	US20110196997 Hybrid interface for serial and parallel communication
08/11/2011	US20110194831 Device and method for controlling clock recovery
08/11/2011	US20110193659 Scalable Millimeter Wave Power Source
08/11/2011	US20110193640 Semiconductor device
08/11/2011	US20110193603 Fast measurement initialization for memory
08/11/2011	US20110193602 Jitter suppression circuit and jitter suppression method
08/11/2011	US20110193601 Fractional type phase-locked loop circuit with compensation of phase errors
08/11/2011	US20110193600 Methods of Frequency versus Temperature Compensation of Existing Crystal Oscillators
08/11/2011	US20110193599 Phase frequency to digital converter
08/11/2011	US20110193598 Efficient retimer for clock dividers
08/10/2011	EP2354884A1 Electronic circuit, electronic apparatus, and digital signal processing method
08/10/2011	CN201928262U 低抖动突发式时钟恢复电路 Burst low jitter clock recovery circuit
08/10/2011	CN102148617A Phase-locking frequency multiplier circuit
08/10/2011	CN102148616A Method and system for preventing error locking of DLL (Delay-Locked Loop)
08/10/2011	CN102147637A Electronic circuit, electronic apparatus, and digital signal processing method
08/10/2011	CN101640524B Spread spectrum clock generating circuit
08/10/2011	CN101051837B Frequency correcting device and its method USB interface built-in vibrator
08/09/2011	US7995698 Method for binary clock and data recovery for fast acquisition and small tracking error
08/09/2011	US7995144 Optimized phase alignment in analog-to-digital conversion of video signals
08/09/2011	US7995091 Mixed media telecommunication call manager
08/09/2011	US7994870 Tunable filter with gain control circuit
08/09/2011	US7994867 Oscillator control apparatus
08/09/2011	US7994866 Auto trimming oscillator
08/09/2011	US7994833 Delay locked loop for high speed semiconductor memory device
08/09/2011	US7994832 Aperture generating circuit for a multiplying delay-locked loop
08/09/2011	US7994831 Semiconductor integrated circuit and method of controlling the same
08/09/2011	US7994830 Systems and methods for PLL linearity measurement, PLL output duty cycle measurement and duty cycle correction
08/09/2011	US7994829 Fast lock-in all-digital phase-locked loop with extended tracking range
08/04/2011	WO2011094095A1 Improved high speed charge pump
08/04/2011	WO2011093708A1 Electrothermal frequency reference
08/04/2011	WO2011056526A3 Digitally controlled uwb millimeter wave radar
08/04/2011	US20110191736 Integrated circuit with on-board power utilization information
08/04/2011	US20110191066 Method and Apparatus for Synchronization of Test and Measurement Apparatuses
08/04/2011	US20110188551 Communication system compensating frequency offset of an external reference clock generator, compensation method thereof and data transceiver equipment including the communication system
08/04/2011	US20110187907 Duty correction circuit, delay locked loop circuit, column a/d converter, solid-state imaging device and camera system
08/04/2011	US20110187462 Producing a desired frequency using a controlled oscillator with known temperature sensitivity
08/04/2011	US20110187429 Semiconductor apparatus
08/04/2011	US20110187428 Electrothermal frequency reference
08/04/2011	US20110187427 Latency control circuit and semiconductor memory device including the same
08/04/2011	US20110187426 High speed charge pump
08/04/2011	US20110187425 Phase-locked loop systems using adaptive low-pass filters in switched bandwidth feedback loops
08/04/2011	US20110187424 Time-domain measurement of pll bandwidth
08/04/2011	US20110187423 Multi-output pll output shift
08/04/2011	US20110187422 Temperature compensation for an oscillator crystal
08/04/2011	US20110187413 Phase detecting circuit and pll circuit
08/03/2011	EP2351236A2 Electronic devices for communication utilizing energy detection and/or frequency synthesis
08/03/2011	EP2351224A1 Frequency synthesizer having a plurality of independent output tones
08/03/2011	EP2351223A1 Methods, algorithms, circuits, and systems for determining a reference clock frequency and/or locking a loop oscillator

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