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)
10/2005
10/06/2005US20050219003 Phase locked loop frequency synthesizer
10/06/2005US20050219002 Tuning an oscillator
10/06/2005US20050219001 Loop filter for use in a phase-locked loop
10/06/2005US20050219000 Low-noise frequency divider
10/06/2005US20050218999 Burst mode clock and data recovery frequency calibration
10/06/2005US20050218998 Frequency synthesizer for a wireless communication system
10/06/2005US20050218997 High performance signal generation
10/06/2005US20050218996 Delta-sigma modulated fractional-N PLL frequency synthesizer and wireless communication apparatus
10/06/2005US20050218962 Voltage switching circuit
10/06/2005US20050218955 Adaptive frequency clock generation system
10/06/2005US20050218953 Programmable clock delay circuit
10/06/2005US20050218948 Charge pump for a low-voltage wide-tuning range phase-locked loop
10/06/2005US20050218947 PLL frequency synthesizer circuit and frequency tuning method thereof
10/06/2005US20050218920 Apparatus and method for providing system and test clock signals to an integrated circuit on a single pin
10/06/2005US20050218294 Image sensor
10/06/2005DE102004023220A1 Verfahren und Vorrichtung zum Erzeugen einer Schwingung mit veränderlicher Frequenz Method and apparatus for generating an oscillation having a variable frequency
10/06/2005CA2540506A1 Broadband subharmonic sampling phase detector
10/05/2005EP1583241A1 Phase locked loop frequency synthesizer
10/05/2005EP1583240A1 Charge pump circuit having switches
10/05/2005EP1583224A1 Modulator and correction method thereof
10/05/2005EP1583221A1 PLL frequency synthesizer circuit and frequency tuning method thereof
10/05/2005EP1131915B1 A method and a circuit for recovering a digital data signal and a clock from a received data signal
10/05/2005CN1679241A Staged locking of two phase locked loops
10/05/2005CN1679240A Oscillator circuit
10/05/2005CN1679239A Improvements relating to phase-lock loops
10/05/2005CN1679238A Phase locked loop
10/05/2005CN1679234A Self calibration of continuous-time filters and systems comprising such filters
10/05/2005CN1678020A Video signal processor, method using the same, display device and method using the same
10/05/2005CN1678012A Image sensor
10/05/2005CN1677968A Mean power frequency discriminator, frequency phase locked loop circuit and digital television demodulator using the same
10/05/2005CN1677867A PLL frequency synthesizer circuit and frequency tuning method thereof
10/05/2005CN1677866A Phase-locking loop with frequency-control sensitivity compensation ability
10/05/2005CN1677865A Locking-status judging circuit for digital PLL circuit
10/05/2005CN1677864A Commutating phase selector
10/05/2005CN1677863A Digital DLL device, digital DLL control method, and digital DLL control program
10/05/2005CN1677862A Delayed locking circuit capable of preventing false-locking and relative method
10/05/2005CN1677844A High performance signal generation
10/05/2005CN1677821A Charge pump circuit having commutator
10/05/2005CN1677512A 延迟电路 The delay circuit
10/05/2005CN1677309A Clock signal generator circuit for serial bus communication
10/05/2005CN1222175C Automatic tracking device and method
10/05/2005CN1222109C Phase-locked loop for wireless communication system and method thereof
10/05/2005CA2464836A1 A novel system for analysis and synthesis of power system signals
10/04/2005US6952569 Wireless transmitter having a modified translation loop architecture
10/04/2005US6952462 Method and apparatus for generating a phase dependent control signal
10/04/2005US6952431 Clock multiplying delay-locked loop for data communications
10/04/2005US6952373 Semiconductor device having PLL-circuit
10/04/2005US6952141 VCO control circuit and method of operation
10/04/2005US6952138 Generation of a phase locked loop output signal having reduced spurious spectral components
10/04/2005US6952137 System and method for automatic parameter adjustment within a phase locked loop system
10/04/2005US6952126 Charge pump circuit for a PLL
10/04/2005US6952125 System and method for suppressing noise in a phase-locked loop circuit
10/04/2005US6952124 Phase locked loop circuit with self adjusted tuning hiep the pham
10/04/2005US6952123 System with dual rail regulated locked loop
10/04/2005US6952121 Prescaling for dividing fast pulsed signal
09/2005
09/29/2005WO2005091507A1 Device comprising a frequency divider
09/29/2005WO2005091294A1 Clock signal generation device, semiconductor integrated circuit, and data reproduction method
09/29/2005US20050216780 Clock signal generator circuit for serial bus communication
09/29/2005US20050215222 PLL circuit and radio communication terminal apparatus using the same
09/29/2005US20050215221 Local oscillator circuit
09/29/2005US20050213697 Frequency modulator, frequency modulating method, and wireless circuit
09/29/2005US20050213696 Clock data recovery circuit
09/29/2005US20050212975 Television signal transmitter capable of reducing phase noise
09/29/2005US20050212607 Method and system for operating an atomic clock with alternating-polarization light
09/29/2005US20050212606 Wireless communications device having type-II all-digital phase-locked loop (PLL)
09/29/2005US20050212605 Phase locked loop
09/29/2005US20050212604 Programmable radio transceiver
09/29/2005US20050212575 Duty cycle correction circuit of delay locked loop and the delay locked loop having the duty cycle correction circuit
09/29/2005US20050212574 Digital DLL device, digital DLL control method, and digital DLL control program
09/29/2005US20050212572 Power up clear (PUC) signal generators having input references that track process and temperature variations
09/29/2005US20050212571 Automatic selection of an on-chip ancillary internal clock generator upon resetting a digital system
09/29/2005US20050212566 Compensating for leakage currents in loop filter capacitors in PLLs and the like
09/29/2005US20050212565 Single-chip digital phase frequency synthesiser
09/29/2005US20050212462 Low-visual noise, jitterized pulse width modulation brightness control circuit
09/29/2005US20050211893 Time of flight system on a chip
09/29/2005DE10327238B4 Verzögerungs-Regelschleife Delay locked loop
09/29/2005DE10312261B4 Verzögerungsregelschleife, die einen variablen Spannungsregler aufweist Delay locked loop having a variable voltage regulator
09/28/2005EP1580893A1 Device and method for phase detection of a signal
09/28/2005EP1580886A1 Filter device
09/28/2005EP1579576A1 Phase comparator
09/28/2005EP1579575A2 Improved phase locked loop
09/28/2005EP1049090B1 Multi-rate digital data reproducing device
09/28/2005CN1675875A Digital signal transmitting system and method, transmitting apparatus and method, and receiving apparatus and method
09/28/2005CN1675841A Method and device for injection locking of voltage controlled oscillators using direct digital tuning
09/28/2005CN1675840A Phase-locked loop with incremental phase detectors and a converter for combining a logical operation with a digital to analog conversion
09/28/2005CN1675839A Digital VCO and PLL circuit using the digital VCO
09/28/2005CN1675838A Synchronous mirror delay (SMD) circuit and method including a counter and reduced size bi-directional delay line
09/28/2005CN1675829A Voltage control oscillator having modulation function
09/28/2005CN1674442A Level conversion circuit and serial/parallel conversion circuit with level conversion function
09/28/2005CN1221080C Smooth clock switching method and clock system
09/28/2005CN1221036C Multi-terminal MOS varactor
09/27/2005US6950639 Local oscillator for generating an HF signal for direct mixing by using avalanche photodiodes
09/27/2005US6950488 Delay locked-loop circuit for reducing load of variable delay unit at high-frequency operation and locking external clock signal stably
09/27/2005US6950487 Phase splitter using digital delay locked loops
09/27/2005US6950485 Precision timing generator apparatus and associated methods
09/27/2005US6950484 Linearized digital phase-locked loop method
09/27/2005US6950482 Phase detector circuit for a phase control loop
09/27/2005US6949981 Dynamic threshold for VCO calibration
09/27/2005US6949980 Phase-locked loop with high frequency adjustment of the operating range of the oscillator
09/27/2005US6949966 DLL circuit capable of preventing malfunctioning causing locking in an antiphase state
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