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)
08/2013
08/21/2013CN103259538A Chip with agnitum function and control method thereof
08/21/2013CN103259537A Clock data recovery circuit based on phase selection interpolation type
08/21/2013CN103259536A Apparatus to remove the loop filter resistor noise in charge-pump PLL
08/21/2013CN103259535A Delay phase locking return circuit and delay phase locking method
08/21/2013CN103259534A Method for improving scanning linearity of signal analyzer
08/21/2013CN103259533A Phase-locked loop circuit of LC oscillator and temperature compensating method thereof
08/21/2013CN101242184B Digital delay line based frequency synthesizer and related method
08/20/2013US8516292 Method and apparatus for providing symmetrical output data for a double data rate DRAM
08/20/2013US8513995 System including circuitry providing multiple circuit paths for controlling a characteristic of a period signal
08/20/2013US8513994 State machine for deskew delay locked loop
08/20/2013US8513993 DLL circuit and semiconductor device having the DLL circuit
08/20/2013US8513992 Method and apparatus for implementation of PLL minimum frequency via voltage comparison
08/20/2013US8513991 Delay-locked loop having a loop bandwidth dependency on phase error
08/20/2013US8513990 PLL frequency synthesizer
08/20/2013US8513989 Integrated circuit, micro-controller unit, and method including a synchronous sampling controller
08/20/2013US8513988 Adaptor circuit for power supply
08/20/2013US8513957 Implementing integral dynamic voltage sensing and trigger
08/20/2013CA2480258C Phase error cancellation circuit and method for fractional frequency dividers and circuits incorporating same
08/15/2013WO2013063500A3 Clock and data recovery for nfc transceivers
08/15/2013US20130207733 Self-resonant circuit
08/15/2013US20130207700 Electrical Circuit Having a Controllable Oscillator
08/15/2013US20130207699 Frequency-locked synthesizer with low power consumption and related system and method
08/15/2013US20130207698 Clock distribution system and method for a multi-bit latch
08/15/2013US20130207697 Digital power on reset controller
08/15/2013US20130207696 Low Voltage CMOS Power on Reset Circuit
08/14/2013DE102013202126A1 Elektrischer Schaltkreis mit einem steuerbaren Oszillator Electrical circuit having a controllable oscillator
08/14/2013CN203135850U DDS local oscillator source for raising reciprocal mixing index of short wave receiver
08/14/2013CN203135849U Frequency difference control system
08/14/2013CN103248362A Light-emitting device module and atomic oscillator
08/14/2013CN103248361A Electrical Circuit Having a Controllable Oscillator
08/14/2013CN103248360A Fractional-N PLL (phase locking loop) circuit and direct current frequency modulation method
08/14/2013CN103248359A Phase lock return circuit system
08/14/2013CN103248356A Counter based on phase-lock loop pulse interpolation technology and realization method
08/13/2013US8508308 Automatic frequency calibration of a multi-LCVCO phase locked loop with adaptive thresholds and programmable center control voltage
08/13/2013US8508303 Digital frequency/phase locked loop
08/13/2013US8508272 Data output circuit and data output method thereof
08/13/2013US8508271 Phase locked loop
08/13/2013US8508270 System and method for adjusting a characteristic of a periodic signal with use of a filtered bias voltage
08/13/2013US8508269 Reference frequency generation circuit, semiconductor integrated circuit, and electronic device
08/13/2013US8508268 PLL circuit, calibration method and wireless communication terminal
08/13/2013US8508267 Loop filter for current-controlled-oscillator-based phase locked loop
08/13/2013US8508266 Digital phase locked loop circuits with multiple digital feedback loops
08/13/2013US8508265 Differential controlled phase locked loop circuit
08/13/2013US8508264 Power on reset apparatus
08/13/2013US8508263 Semiconductor device, method for operating the same, and memory system including the same
08/08/2013WO2013115518A1 Voltage controlled oscillator using variable capacitor and phase locked loop using the same
08/08/2013US20130200933 Fractional spur reduction using controlled clock jitter
08/08/2013US20130200932 Delay Lock Loop Circuit and Method
08/08/2013US20130200931 Circuit device, frequency changing circuit, method of testing circuit device, and method of controlling frequency changing circuit
08/08/2013US20130200922 Phase frequency detector and charge pump for phase lock loop fast-locking
08/07/2013EP2622742A1 Sampler circuit
08/07/2013EP2622741A1 Reference clock sampling digital pll / fll
08/07/2013CN203119878U Physical system of atomic frequency standard
08/07/2013CN203119877U Passive rubidium atom frequency marker
08/07/2013CN203119876U Optical frequency shift optimizing device
08/07/2013CN203119875U Microwave power stabilizing device for passive rubidium atomic clock
08/07/2013CN203119874U Ramsey-CPT (Coherent Population Trapping) pulse signal source device
08/07/2013CN203119873U Atomic frequency standard temperature compensating system and atomic frequency standard
08/07/2013CN203119872U Multifunctional signal source
08/07/2013CN103238290A Method and digital circuit for recovering a clock and data using a digital frequency detection
08/07/2013CN103236843A Impulse waveform driver and electromagnetic buzzer
08/07/2013CN103236842A Differential ring oscillator and method for calibrating the differential ring oscillator
08/07/2013CN103236841A Switching type phase frequency detector based on periodic comparison and digital phase-locked loop
08/07/2013CN103236840A Irradiation-reinforced phase-locked loop
08/07/2013CN103236839A Arbitrarily multipled clock domain synchronizer and method
08/07/2013CN102299711B Charge pump-based frequency modulator
08/07/2013CN102263554B Phase-locked loop frequency synthesizer structure for improving in-band phase noise performance
08/07/2013CN101924552B Pll circuit
08/06/2013US8504867 High resolution clock signal generator
08/06/2013US8504852 Battery powered device with dynamic power and performance management
08/06/2013US8503598 Initialization circuit for delay locked loop
08/06/2013US8502919 Video display device and video display method
08/06/2013US8502613 Oscillating circuit
08/06/2013US8502611 Voltage controlled oscillator circuit, phase-locked loop circuit using the voltage controlled oscillator circuit, and semiconductor device provided with the same
08/06/2013US8502609 Reference-less frequency detector
08/06/2013US8502582 Adaptive digital phase locked loop
08/06/2013US8502581 Multi-phase digital phase-locked loop device for pixel clock reconstruction
08/06/2013US8502580 Semiconductor device and method for operating the same
08/06/2013US8502579 Delay lines, methods for delaying a signal, and delay lock loops
08/06/2013US8502578 Timing adjustment circuit, solid-state image pickup element, and camera system
08/06/2013US8502577 Phase correction circuit, data alignment circuit and method of aligning data using the same
08/06/2013US8502576 Charge pump circuit
08/06/2013US8502575 Fractional-N PLL using multiple phase comparison frequencies to improve spurious signal performance
08/06/2013US8502574 Device and method for generating a signal of parametrizable frequency
08/06/2013CA2496526C Phase locked loop having a forward gain adaptation module
08/01/2013WO2013112763A1 Dual mode clock/data recovery circuit
08/01/2013US20130194050 Voltage controlled oscillator using variable capacitor and phase locked loop using the same
08/01/2013US20130194047 Clock distributor and electronic device
08/01/2013US20130194045 Fine Tuning of Electronic Oscillators
08/01/2013US20130194044 Phase Interpolator with Voltage-Controlled Oscillator Injection-Lock
08/01/2013US20130194043 Low-power voltage-controlled oscillator
08/01/2013US20130194013 Apparatuses and methods for altering a forward path delay of a signal path
08/01/2013US20130194012 Phase-locked loop system
08/01/2013US20130194009 Power on reset apparatus
08/01/2013DE102005008279B9 CDR-basierte Taktsynthese CDR-based clock synthesis
07/2013
07/31/2013EP2619905A1 Programmable delay unit
07/31/2013CN203104412U Aviation selective call encoder
07/31/2013CN203104411U A phase-locking frequency synthesizer and an adaptive frequency calibrating circuit
07/31/2013CN203104410U K wave band frequency modulation continuous wave signal generation circuit
07/31/2013CN203104409U Digital phase-locked loop tracking system used for accurately detecting commercial power
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