Patents for H03L 7 - Automatic control of frequency or phase; Synchronisation (37,643)
09/2009
09/16/2009CN101534186A Digital smoothing circuit and method for utilizing digital smoothing circuit to extract clock from Ethernet signals
09/16/2009CN101534121A An oscillator and method for generating periodic signal by using the same
09/16/2009CN101534120A Phase-locked loop circuit and charging method thereof
09/16/2009CN101534003A Data synchronization method for digitized fiber differential protection device
09/16/2009CN100542156C PLL circuit, demodulator circuit, IC card, and IC card processing apparatus
09/16/2009CN100542038C Passive Rb atom frequency standard locking indication and fault diagnosis method
09/16/2009CN100542037C Low lock time delay locked loops using time cycle suppressor
09/16/2009CN100542036C Synchronous mirror delay (SMD) circuit and method including a counter and reduced size bi-directional delay line
09/16/2009CN100541383C Interpolating circuit and DLL circuit and semi-conductor integrated circuit
09/15/2009US7590400 Radio apparatus
09/15/2009US7590212 System and method for adjusting the phase of a frequency-locked clock
09/15/2009US7590163 Spread spectrum clock generation
09/15/2009US7589597 Ultra wideband and fast hopping frequency synthesizer for MB-OFDM wireless application
09/15/2009US7589595 Distributing frequency references
09/15/2009US7589594 Variable loop bandwidth phase locked loop
09/15/2009US7589575 Precision integrated phase lock loop circuit loop filter
09/15/2009US7589574 System and method for power on reset and under voltage lockout schemes
09/15/2009US7589573 Startup circuit and method
09/15/2009US7589572 Method and device for managing a power supply power-on sequence
09/11/2009WO2009111346A1 Dynamic reference frequency for fractional-n phase-locked loop
09/11/2009WO2009110715A2 Phase locked loop having a retiminng part for the removal of jitter in a programmable frequency divider
09/11/2009WO2009110172A1 Time digital converter, digital pll frequency synthesizer, transmitter-receiver, and receiver
09/11/2009WO2009109640A2 Dual phase detector phase-locked loop
09/11/2009WO2009109639A1 Charge pump for phase-locked loop
09/11/2009WO2009109638A1 Charge pump for a phase- locked loop
09/11/2009WO2009109637A2 Phase-locked loop
09/11/2009WO2009109636A2 Phase-locked loop
09/11/2009WO2009109603A1 Charge transfer in a phase-locked loop
09/10/2009US20090228227 Test device, test method and computer readable media
09/10/2009US20090225990 Clock generating circuit and audio system
09/10/2009US20090224842 Phase lock loop apparatus
09/10/2009US20090224839 Lock loop circuit and method having improved lock time
09/10/2009US20090224838 Automatic Calibration Lock Loop Circuit and Method Having Improved Lock Time
09/10/2009US20090224837 Preventing a False Lock in a Phase Lock Loop
09/10/2009US20090224810 Audio device using ac power clock reference
09/10/2009US20090224809 Semiconductor integrated circuit device and method for evaluating an eye-opening margin
09/10/2009US20090224807 Jitter reduction circuit and frequency synthesizer
09/09/2009CN101529725A Broadband frequency synthesizer with elimination of low-frequency parasitic emissions
09/09/2009CN101527568A Digital-analog hybrid phase-locked loop
09/09/2009CN101527567A Clock and data recovery circuit
09/09/2009CN101527566A Current device for phase-locked loop and method thereof
09/09/2009CN101527565A Phase-locked loop and method for dynamically regulating phase of output signal according to detection result
09/09/2009CN101526830A Clock signal generating circuit and digital circuit with same
09/09/2009CN100539422C Phase-locking loop with frequency-control sensitivity compensation ability
09/09/2009CN100539415C Tuneable frequency translator
09/09/2009CN100539394C 振荡器 Oscillator
09/08/2009US7587189 Determination and processing for fractional-N programming values
09/08/2009US7587011 Digital-data receiver synchronization method and apparatus
09/08/2009US7586379 Voltage controlled oscillator with operation current adjusting device
09/08/2009US7586378 Method and system for using a frequency locked loop logen in oscillator systems
09/08/2009US7586377 Real time clock
09/08/2009US7586348 Systems, apparatuses and methods for synchronizing clock signals
09/08/2009US7586347 Clock generator with self-bias bandwidth control
09/08/2009US7586346 Power good signal generating circuit
09/08/2009US7586345 Over-voltage protection circuit and method thereof
09/08/2009CA2424702C Synchronized multi-output digital clock manager
09/03/2009WO2009108815A1 Delta-sigma modulator clock dithering in a fractional-n phase-locked loop
09/03/2009WO2009108465A1 A bang-bang architecture
09/03/2009WO2009107173A1 Phase control device and data communication system using it
09/03/2009WO2009107044A2 Frequency synthesis
09/03/2009US20090221012 Method for Detecting Procoagulant Phospholipid
09/03/2009US20090220029 Clock recovery circuit and data receiving circuit
09/03/2009US20090219099 Digital synthesizer for low power location receivers
09/03/2009US20090219070 Control device for use in a resonant direct current/direct current converter
09/03/2009US20090219069 Semiconductor integrated circuit device
09/03/2009US20090219068 Phase detector, phase comparator, and clock synchronizing device
09/03/2009US20090219067 Locked Loop Circuit With Clock Hold Function
09/03/2009US20090219066 Power-on reset circuit
09/03/2009US20090219065 Semiconductor Device and Electronic Apparatus
09/02/2009EP2096865A2 Image pickup system and endoscope system
09/02/2009EP2095510A1 Delay line calibration
09/02/2009EP1779516B1 Master-slave flipflop for local oscillator and mixer in an i/q circuit
09/02/2009CN201303320Y Precise digital control frequency phase shifter
09/02/2009CN101523726A Efficient clock calibration in electronic equipment
09/02/2009CN101521567A Sampling method and data recovering circuit thereof
09/02/2009CN101521508A Multi-loop phase-locked loop device
09/02/2009CN101521507A Multiband voltage controlled oscillator
09/02/2009CN101521498A Voltage controlled oscillator
09/02/2009CN101520672A All-digital spread-spectrum clock generator for use in SATA
09/01/2009US7583774 Clock synchroniser
09/01/2009US7583773 Frequency synthesizing device with automatic calibration
09/01/2009US7583157 Method of manufacturing a temperature compensated oscillator
09/01/2009US7583152 Phase-locked loop with self-correcting phase-to-digital transfer function
09/01/2009US7583119 Delay locked loop having small jitter and jitter reducing method thereof
09/01/2009US7583118 Delay locked loop circuit
09/01/2009US7583117 Delay lock clock synthesizer and method thereof
09/01/2009US7583116 High output resistance, wide swing charge pump
09/01/2009US7583115 Delay line off-state control with power reduction
09/01/2009US7583114 Supply voltage sensing circuit
09/01/2009US7583103 Configurable time borrowing flip-flops
08/2009
08/27/2009WO2009103180A2 Method and device for stabilising the spectrum of a pulsed coherent optical source
08/27/2009US20090213097 Display driver and built-in-phase-calibration circuit thereof
08/27/2009US20090212876 Oscillator controlling apparatus
08/27/2009US20090212875 Oscillator based on thermal diffusion
08/27/2009US20090212874 Oscillator device
08/27/2009US20090212835 Delta-sigma modulator clock dithering in a fractional-n phase-locked loop
08/27/2009US20090212834 Sequencing control circuit
08/27/2009DE10349466B4 Taktsignal-Synchronisations-Vorrichtung, sowie Taktsignal-Synchronisationsverfahren Clock synchronization device, and clock signal synchronization method
08/26/2009EP2092681A1 Method and circuit for receiving data
08/26/2009EP2092647A1 Circuit for clock extraction from a binary data sequence