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)
11/2012
11/20/2012US8314641 Self-timed fine tuning control
11/20/2012US8314640 Driver circuit
11/15/2012WO2012153375A1 Clock generation circuit
11/15/2012WO2012152331A1 A phase locked loop with tunable phase
11/15/2012US20120287342 Horizontal synchronization detection device
11/15/2012US20120286883 Synchronized output of multiple ring oscillators
11/15/2012US20120286881 Oscillator architecture having fast response time with low current consumption and method for operating the oscillator architecture
11/15/2012US20120286880 Reference frequency generating device
11/15/2012US20120286879 Low Noise Oscillator
11/15/2012US20120286835 Pll circuit
11/15/2012US20120286834 Phase locked loop
11/15/2012US20120286833 Power-On Reset Circuit
11/15/2012US20120286832 Data Synchronization Circuit
11/15/2012DE102011075552A1 Schaltungsanordnung für Radaranwendungen Circuit arrangement for radar applications
11/14/2012EP2523350A1 A clock generation system
11/14/2012CN202535340U Micro phase lock frequency synthesizer
11/14/2012CN202535339U Small airborne frequency up-conversion system local oscillator circuit
11/14/2012CN102783029A Temperature-stable oscillator circuit having frequency-to-current feedback
11/14/2012CN102780490A DDS (direct digital synthesis) type ultra-wide band frequency-modulated signal generating circuit and method
11/14/2012CN102780489A Phase locked loop
11/14/2012CN102780488A Clock generation system
11/14/2012CN102780487A Built-in self-test circuit for voltage controlled oscillators
11/14/2012CN102780486A Semiconductor circuit
11/14/2012CN102778839A Physical system device of passive type CPT (Coherent Population Trapping) atomic clock
11/14/2012CN102170719B Induction heating power supply phase tracking system with switch device negative voltage limiting function
11/14/2012CN102122955B Multistandard I/Q (In-Phase/Quadrature-Phase) carrier generating device based on fractional frequency-dividing frequency synthesizer
11/14/2012CN101986568B Steady state phase-locking error-free phase locking system and phase locking method
11/14/2012CN101895293B Pll frequency synthesizer
11/14/2012CN101860362B Dual-loop tuning method for low-vibration high frequency difference frequency and phase locking and electrical architecture thereof
11/14/2012CN101803196B Jitter suppression circuit and jitter suppression method
11/14/2012CN101567690B Phase-locked loop charge pump driven by low voltage input
11/14/2012CN101483060B Clock synchronization circuit and operation method thereof
11/14/2012CN101282116B Phase frequency detectors generating minimum pulse widths
11/14/2012CN101005277B Digital clock frequency multiplier
11/13/2012US8310292 Method for resetting DLL with frequency change application
11/13/2012US8310291 DLL having a different training interval during a voltage change
11/13/2012US8310290 ADC having improved sample clock jitter performance
11/13/2012US8310289 Semiconductor apparatus
11/13/2012US8310288 PLL circuit
11/13/2012US8310287 Reset circuit and control apparatus including the reset circuit
11/13/2012US8310286 Controller and voltage detection enabling circuit thereof
11/13/2012US8310285 Process, temperature, part and setting independent reset pulse encoding and decoding scheme
11/13/2012US8310282 Apparatus and method for providing multi-mode clock signals
11/08/2012WO2012151313A2 Apparatus and method to hold pll output frequency when input clock is lost
11/08/2012WO2012151220A2 Apparatus and methods for adjusting voltage controlled oscillator gain
11/08/2012WO2012151050A2 Integrated circuit having a multiplying injection-locked oscillator
11/08/2012WO2012150621A1 Frequency synthesizer
11/08/2012US20120280842 System and Method For Supporting Different Types of Oscillator Circuits
11/08/2012US20120280731 Phase-locked-loop circuit including digitally-controlled oscillator
11/08/2012US20120280730 Apparatus and methods for adjusting voltage controlled oscillator gain
11/08/2012US20120280729 Adaptive digital phase locked loop
11/08/2012US20120280728 Power semiconductor device having plurality of switching elements connected in parallel
11/08/2012US20120280726 Control circuit arrangement for pulse-width modulated dc/dc converters and method for controlling a pulse-width modulated converter
11/08/2012DE112011100252T5 Frequenz- und Phasenerfassung einer Takt- und Daten-Wiedergewinnungsschaltung ohne externen Referenztakt Frequency and phase detecting a clock and data recovery circuit without external reference clock
11/08/2012DE102005003155B4 Verfahren zum Angleichen des Ladungsstromes in einer Ladungspumpe einerPhasenregelschleife sowie Phasenregelschleife dazu A method for equalizing the charge current in a charge pump phase-locked loop and a phase-locked loop to
11/07/2012EP2521292A1 Clock monitoring in a synchronous network
11/07/2012EP2520022A1 Temperature-stable oscillator circuit having frequency-to-current feedback
11/07/2012CN202524376U Voltage-controlled oscillator
11/07/2012CN102769464A Cavity bubble system of rubidium atom frequency standard
11/07/2012CN102769463A Cesium atomic frequency standard cesium-beam tube micro-current signal amplifier
11/07/2012CN102769462A Direct digital frequency phase-locked frequency multiplier circuit
11/07/2012CN102769461A Method and system for improving output reliability of direct digital frequency synthesizer (DDS) signal source
11/07/2012CN102111154B Laser frequency stabilizing device for atomic clock
11/07/2012CN102057337B Atomic frequency acquisition device based on self-mixing interference
11/07/2012CN101958709B Clock generating apparatus having low clock jitter and related method thereof
11/07/2012CN101943927B Charge pump
11/07/2012CN101605115B Method for realizing passive oriented buoy digital de-multiplexer
11/07/2012CN101499800B Oscillating circuit and oscillator
11/07/2012CN101167253B Phase-locked loop circuit
11/06/2012US8306176 Fine-grained gear-shifting of a digital phase-locked loop (PLL)
11/06/2012US8305493 Receiver, signal processing apparatus, and video display apparatus
11/06/2012US8305155 Phase locked loop circuit with variable voltage sources
11/06/2012US8305133 Implementing a piecewise-polynomial-continuous function in a translinear circuit
11/06/2012US8305121 High-performance memory interface circuit architecture
11/06/2012US8305120 Delay locked loop circuit and method
11/06/2012US8305119 Clock generation circuit
11/06/2012US8305118 Power supply system
11/01/2012WO2012109532A3 Digital phase adjustment for multi-phase power converters
11/01/2012US20120274375 Frequency control clock tuning circuitry
11/01/2012US20120274374 Fast measurement initialization for memory
11/01/2012US20120274373 Semiconductor device and delay locked loop circuit thereof
11/01/2012US20120274372 Phase Locked Loop Frequency Synthesizer Circuit with Improved Noise Performance
11/01/2012US20120274371 Method for encoder frequency shift compensation
11/01/2012US20120274370 Reducing Spurs in Injection-Locked Oscillators
11/01/2012US20120274369 Power-on-reset circuit and reset method
11/01/2012US20120274146 Advanced clock synchronization circuit for switch mode power supplies
10/2012
10/31/2012CN202513923U Portable radio speech suppression warning system
10/31/2012CN202513909U Rubidium atom frequency standard apparatus
10/31/2012CN202513908U Crystal oscillator apparatus
10/31/2012CN202513907U Broadband frequency-voltage converting circuit
10/31/2012CN102763336A Frequency and phase acquisition of a clock and data recovery circuit without an external reference clock
10/31/2012CN102763335A Semiconductor integrated circuit device
10/31/2012CN102761334A Intelligent compensation device and method for temperature coefficient of rubidium atomic frequency standard
10/31/2012CN102761333A Radio frequency synthesis method based on GPS (Global Position System) synchronous crystal oscillator
10/31/2012CN102761332A Clock generation circuit
10/31/2012CN102761331A Delay phase-locked loop
10/31/2012CN102761316A Delay element, variable delay line, and voltage controlled oscillator, as well as display device and system comprising the same
10/31/2012CN102208911B Window clock generation and dynamic configuration method based on phase-locked loop in FPGA (Field Programmable Gate Array) sheet
10/31/2012CN102111150B Digital edge aligner for a PFD
10/31/2012CN102082571B Direct digital frequency synthesizer
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