Patents for H03L 7 - Automatic control of frequency or phase; Synchronisation (37,643)
03/2008
03/26/2008CN101150316A A multi-channel clock synchronization method and system
03/26/2008CN101149960A Multi-port memory device
03/26/2008CN101149630A DDS signal source amplitude-frequency characteristic compensation method and related DDS signal source
03/25/2008US7349672 Digital signal transceiver
03/25/2008US7349514 Frequency/phase locked loop clock synthesizer using an all digital frequency detector and an analog phase detector
03/25/2008US7349513 Process, voltage, temperature independent switched delay compensation scheme
03/25/2008US7349510 Apparatus for data recovery in a synchronous chip-to-chip system
03/25/2008US7349509 Multi rate clock data recovery based on multi sampling technique
03/25/2008US7349507 Extending PPM tolerance using a tracking data recovery algorithm in a data recovery circuit
03/25/2008US7348823 Delay circuit and delay synchronization loop device
03/25/2008US7348820 Method and apparatus for glitch-free control of a delay-locked loop in a network device
03/25/2008US7348819 Delay locked loop circuit
03/25/2008US7348818 Tunable high-speed frequency divider
03/25/2008US7348817 Circuit and method for generating circuit power on reset signal
03/25/2008US7348816 Circuit and method for power-on reset
03/25/2008US7348815 All-digital power-on reset device
03/25/2008US7348814 Power-on reset circuit
03/25/2008US7348813 Circuits and methods for reducing the effects of level shifter delays in systems operating in multiple voltage domains
03/20/2008WO2007146093A3 Beam scanner with reduced phase error
03/20/2008US20080069286 Computation spreading for spur reduction in a digital phase lock loop
03/20/2008US20080069279 Methods and arrangements for link power reduction
03/20/2008US20080068097 Voltage controlled oscillator and method capable of reducing phase noise and jitter with startup gain
03/20/2008US20080068096 Frequency divider monitor of phase lock loop
03/20/2008US20080068095 Circuit comprising a capacitive circuit component
03/20/2008US20080068094 Fine clock resolution digital phase locked loop apparatus
03/20/2008US20080068093 Phase locked loop
03/20/2008US20080068092 VCO with independently controllable parameters
03/20/2008US20080068091 Frequency-locked clock generator
03/20/2008US20080068090 PLL circuit
03/20/2008US20080068058 PLL circuit having loop filter and method of driving the same
03/20/2008US20080068057 PLL circuit and method of controlling the same
03/20/2008US20080068056 Power supply noise rejection in PLL or DLL circuits
03/20/2008US20080068055 Circuit for generating rotating electric field
03/20/2008US20080068048 Fixed Frequency Clock Output Having A Variable High Frequency Input Clock And An Unrelated Fixed Frequency Reference Signal
03/19/2008EP1901431A2 A phase-locked oscillator and multi-radar system using same
03/19/2008EP1900138A1 Synchronization scheme with adaptive reference frequency correction
03/19/2008EP1900100A1 Recovery of client clock without jitter
03/19/2008EP1561285A4 Crystal-less oscillator transceiver
03/19/2008EP1297617B1 Frequency modulator using a pll
03/19/2008CN101145837A A circuit system and method of automatically recoverable available service clock
03/19/2008CN101145779A Delay lock circuit and phase angle generator
03/19/2008CN101145778A Frequency tracking circuit structure in ultrasonic power
03/19/2008CN101145777A GPS time synchronization terminal system
03/19/2008CN101145758A Surface acoustic wave oscillator and method of varying frequency thereof
03/19/2008CN101145757A Power management architecture and method of modulating oscillator frequency based on voltage supply
03/19/2008CN101145025A Coherent maser radiation cold atomic clock
03/19/2008CN100376087C PLL circuit and TV receiver using it, and improvement in beat of TV receiver
03/19/2008CN100376082C PLL circuit mode switching method and PLL circuit mode control circuit
03/19/2008CN100376081C Delayed locking loop capable of sharing counter and related method
03/19/2008CN100375904C Radio frequency pulse angle phase setting method and circuit thereof
03/18/2008US7346139 Circuit and method for generating a local clock signal
03/18/2008US7346133 Automated frequency compensation for remote synchronization
03/18/2008US7345933 Qualified data strobe signal for double data rate memory controller module
03/18/2008US7345714 Video signal clamp
03/18/2008US7345554 Integrable phase-locked loop including an acoustic resonator
03/18/2008US7345553 Method and apparatus for reducing errors due to line asymmetry in devices utilizing coherent population trapping
03/18/2008US7345550 Type II phase locked loop using dual path and dual varactors to reduce loop filter components
03/18/2008US7345549 Phase locking on aliased frequencies
03/18/2008US7345515 Low power and low timing jitter phase-lock loop and method
03/18/2008US7345514 Reset mode indication for an integrated circuit using a non-dedicated pin
03/13/2008WO2008030182A1 A charge pump circuit
03/13/2008US20080065922 Extended synchronized clock
03/13/2008US20080061895 Improved current controlled oscillation device and method having wide frequency range
03/13/2008US20080061891 Phase-locked oscillator and multi-radar system using same
03/13/2008US20080061890 Phase locked loop circuit
03/13/2008US20080061889 Phase synchronization circuit and electronic apparatus
03/13/2008US20080061888 Multi-loop phase locked loop circuit
03/13/2008US20080061852 Integrated circuit for sampling a sequence of data packets at a data output
03/13/2008US20080061851 Delay locked loop circuit capable of reducing bang-bang jitter
03/13/2008US20080061850 Pll circuit
03/13/2008US20080061835 Synchronizing modules in an integrated circuit
03/12/2008EP1897221A2 Phase-locked loop systems using adaptive low-pass filters in switched bandwidth feedback loops
03/12/2008EP1735910A4 Transconductance and current modulation for resonant frequency control and selection
03/12/2008CN101141427A Method and device for performing demodulation to digital signal using synchronous clock signal
03/12/2008CN101141129A Voltage controlled oscillator circuit
03/12/2008CN101141128A Signal processing circuit
03/12/2008CN101140183A Circuit for maintaining vibrating signal synchronous
03/12/2008CN100374978C System and method for calibrating the clock frequency of a clock generator unit over a data line
03/11/2008US7342986 Digital PLL device
03/11/2008US7342980 Estimating carrier phase in communication systems
03/11/2008US7342465 Voltage-controlled oscillator with stable gain over a wide frequency range
03/11/2008US7342462 Quadrature LC voltage controlled oscillator with opposed bias and coupling control stages
03/11/2008US7342461 Feedback circuit for minimizing VCO sensitivity
03/11/2008US7342460 Expanded pull range for a voltage controlled clock synthesizer
03/11/2008US7342459 Clock reproduction circuit
03/11/2008US7342427 Automatic clock based power-down circuit
03/11/2008US7342426 PLL with controlled VCO bias
03/06/2008WO2001022049A3 A novel ion-mobility based device using an oscillatory high-field ion separator with a multi-channel array charge collector
03/06/2008US20080056427 Telecommunications Systems
03/06/2008US20080055697 Timing detection circuit and apparatus for modulating light beam
03/06/2008US20080055007 Multi-point modulation and VCO compensation
03/06/2008US20080054997 Sawtooth wave generating apparatus, a method of generating sawtooth wave, a constant current circuit, and a method of adjusting amount of current from the same
03/06/2008US20080054968 Signal transferring system with unequal lengths of connecting paths and method thereof
03/06/2008US20080054967 Sequential timebase
03/06/2008US20080054966 Jitter reduction circuit
03/06/2008US20080054965 Semiconductor memory device and semiconductor device
03/06/2008US20080054964 Semiconductor memory device
03/06/2008US20080054963 Delay locked loop having charge pump gain independent of operating frequency
03/06/2008US20080054962 Delay locked loop having charge pump gain independent of operating frequency
03/06/2008US20080054961 Charge pumps