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)
05/2010
05/13/2010US20100118181 Electronic apparatus
05/13/2010US20100117747 Systems and methods with reduced reference spurs using a crystal oscillator for broadband communications
05/13/2010US20100117743 Circuit with noise shaper
05/13/2010US20100117742 Circuit with multiphase oscillator
05/13/2010US20100117741 PLL Circuit
05/13/2010US20100117740 Broadband voltage controlled oscillator and method for generating broadband oscillation frequency
05/13/2010US20100117698 Timing vernier using a delay locked loop
05/13/2010US20100117697 Semiconductor integrated circuit and control method for clock signal synchronization
05/13/2010US20100117696 Dll circuit, update control apparatus in dll circuit and update method of dll circuit
05/13/2010US20100117695 Semiconductor memory apparatus
05/13/2010US20100117694 Dll circuit and method of controlling the same
05/13/2010US20100117693 Dual conversion transmitter with single local oscillator
05/13/2010US20100117692 Multi-phase clock generation circuit having a low skew imprecision
05/13/2010US20100117691 Oscillator prescale calibration for harmonizing multiple devices with independent oscillators over an i2c bus interface
05/13/2010US20100117677 Method to synchronize two different pulse generators
05/12/2010EP2184857A1 Phase-locked oscillator and radar device including the same
05/12/2010CN201467104U Crystal oscillator precise frequency output control circuit structure based on SOC chip
05/12/2010CN1941633B Delay locked loop
05/12/2010CN1941629B Apparatus and method for controlling on die termination
05/12/2010CN1937410B Adaptive process and temperature compensated high frequency ring-oscillating phase-locking ring circuit
05/12/2010CN1885721B Phase locked loop circuit and method of locking a phase
05/12/2010CN1885720B Clock generating circuit and clock generating method
05/12/2010CN1881805B Phase locked loop damping coefficient correction apparatus and method
05/12/2010CN1877998B Digital phase-locking loop for resistance vibration-pickup type silicon micro-mechanical resonate sensor
05/12/2010CN1873807B Frequency control device and information reproduction apparatus
05/12/2010CN1866746B System and method for optimizing phase locked loop damping coefficient
05/12/2010CN1848687B Duty detection circuit and method for controlling the same
05/12/2010CN1756082B Phase-locked-loop dither signal detection circuit device and its operating method
05/12/2010CN1753312B Direct digital synthesis device of pulse signal and its method
05/12/2010CN1650523B Method and apparatus used in phase locked loop of frequency synthesizer
05/12/2010CN101174833B Method for accurate time measurement and its measuring circuit
05/12/2010CN101127529B Digital/analog converter and phase locking loop built-in self test circuit and its measurement method
05/12/2010CN101090311B Method and system for generating clock output maintenance after GPS failure in radio communication system
05/12/2010CN101079630B A digital phase lock loop device for smooth switching of clock phase and its method
05/12/2010CN101079629B A digital phase lock device for seamless switching of SDH product clock board
05/12/2010CN101030780B Digital phase and frequency detector and operation method thereof
05/11/2010US7716001 Delay line calibration
05/11/2010US7715802 Frequency synthesizer and multi-band radio apparatus using said frequency synthesizer
05/11/2010US7714669 Phase alignment circuit for a TDC in a DPLL
05/11/2010US7714668 Phase locked loop circuit and wireless communication system
05/11/2010US7714667 Programmable linear trimming method and system for phase locked loop circuit calibration
05/11/2010US7714666 Phase locked loop frequency synthesizer and method for modulating the same
05/11/2010US7714665 Harmonic characterization and correction of device mismatch
05/11/2010US7714631 Method and apparatus for synchronizing a clock generator in the presence of jittery clock sources
05/11/2010US7714625 System and method for fast re-locking of a phase locked loop circuit
05/11/2010US7714565 Methods and apparatus for testing delay locked loops and clock skew
05/06/2010WO2010051417A1 Multi-channel digital pulse width modulator (dpwm)
05/06/2010US20100110848 Pll circuit and disk drive
05/06/2010US20100109786 Power supply voltage output circuit
05/06/2010US20100109727 Semiconductor device
05/06/2010US20100109726 Semiconductor memory device and method for generating output enable signal
05/06/2010US20100109725 Dll circuit having duty cycle correction and method of controlling the same
05/06/2010US20100109724 Submillimeter-wave signal generation by linear superimposition of phase-shifted fundamental tone signals
05/06/2010US20100109722 Intialization circuit for delay locked loop
05/06/2010US20100109721 System for detecting a reset condition in an electronic circuit
05/06/2010US20100109720 Semiconductor integrated circuit and control method of the same
05/05/2010EP2181641A1 Capsule type medical device
05/05/2010EP1400083B1 Method and system for compensation of a carrier frequency offset in an ofdm receiver
05/05/2010EP1393445B1 Automatic wireless synchronization of electronic article surveillance systems
05/05/2010CN1934786B Variable delay line using two blender delays
05/05/2010CN1794567B Voltage controlled oscillator with analogue and digital control
05/05/2010CN1780488B Clock calibrater for program control switchboard system
05/05/2010CN1770632B Equipment and method for minimizing filter capacitance leakage induced jitter in phase locked loops (PLLs)
05/05/2010CN1767391B Frequency divider for 8 phase output in phase switching type pre-divider
05/05/2010CN1750399B Method and device for correcting clock source ageing
05/05/2010CN1697325B Digital lock detector in use for phase locked loop
05/05/2010CN1691511B Correction for DC-offset in a phase locked loop
05/05/2010CN1684405B Clock synchronizer and clock and data recovery apparatus and method
05/05/2010CN1527484B Integrated circuit memory device and method for controlling delay locking ring circuit
05/05/2010CN1447935B Method for generating clock signal and clock generator
05/05/2010CN101702699A System and method for reducing LO phase errors
05/04/2010US7710501 Time base correction and frame rate conversion
05/04/2010US7710206 Design structure for improved current controlled oscillation device and method having wide frequency range
05/04/2010US7710173 Duty cycle correction circuit and delay locked loop circuit including the same
05/04/2010US7710172 DLL circuit, semiconductor memory device using the same, and data processing system
05/04/2010US7710171 Delayed locked loop circuit
05/04/2010US7710170 Internal supply voltage controlled PLL and methods for using such
05/04/2010US7710105 Circuit reset testing methods
05/04/2010US7709828 RF circuits including transistors having strained material layers
04/2010
04/29/2010WO2010047005A1 Digital pll circuit and communication apparatus
04/29/2010US20100103748 Clock path control circuit and semiconductor memory device using the same
04/29/2010US20100103746 Multi-phase duty-cycle corrected clock signal generator and memory having same
04/29/2010US20100102894 Digitally controlled oscillator with improved digital frequency calibration
04/29/2010US20100102889 Systems and methods for tracking communication parameters over a plurality of frequency bands
04/29/2010US20100102888 Timing recovery for partial-response maximum likelihood sequence detector
04/29/2010US20100102863 Delay clock generator
04/29/2010US20100102862 Dll circuit and control method therefor
04/29/2010US20100102861 Dll circuit and control method thereof
04/29/2010US20100102860 Wideband delay-locked loop (dll) circuit
04/29/2010US20100102859 Lc voltage controlled oscillator tank with linearized frequency control
04/29/2010US20100102858 Method and apparatus for reducing interference
04/29/2010DE10164966B4 Schaltungsanordnung zur Takt- und Datenrückgewinnung aus einem Empfangssignal Circuit arrangement for clock and data recovery from a received signal
04/28/2010CN201444631U Clock output circuit and TV provided therewith
04/28/2010CN201444630U Phase-locked loop circuit with adjustable frequency range
04/28/2010CN1860685B Multiband PLL arrangement and method of controlling such arrangement
04/28/2010CN1770634B Clock phase-locked loop apparatus
04/28/2010CN1731680B Frequency modulator for directly modulating VCO and modulating method
04/28/2010CN1702969B Delay chain immune to temperature virtually
04/28/2010CN1694362B Delay wire for signal adjustable in integrated circuit
04/28/2010CN1691655B Decision feedback equalizer and clock and data recovery circuit for high-speed applications
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