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)
03/2003
03/26/2003CN1104098C Method and apparatus for reducing standby current in communication equipment
03/26/2003CN1103998C Optical disc reproducing device capable of correcting balancer characteristic
03/25/2003USRE38045 Data compensation/resynchronization circuit for phase lock loops
03/25/2003US6539411 Direct digital synthesizer
03/25/2003US6539316 Phase detector
03/25/2003US6539072 Delay locked loop circuitry for clock delay adjustment
03/25/2003US6538957 Apparatus and method for distributing a clock signal on a large scale integrated circuit
03/25/2003US6538956 Semiconductor memory device for providing address access time and data access time at a high speed
03/25/2003US6538521 Voltage controlled oscillator
03/25/2003US6538520 Methods and apparatus for producing a reference frequency signal with use of a reference frequency quadrupler having frequency selection controls
03/25/2003US6538519 Phase-locked loop circuit
03/25/2003US6538518 Multi-loop phase lock loop for controlling jitter in a high frequency redundant system
03/25/2003US6538516 System and method for synchronizing multiple phase-lock loops or other synchronizable oscillators without using a master clock signal
03/25/2003US6538499 Low jitter transmitter architecture with post PLL filter
03/25/2003US6538498 Gm-C tuning circuit with filter configuration
03/25/2003US6538475 Phase detector
03/25/2003CA2310311C Phase locked-loop using sub-sampling
03/25/2003CA2233530C Pipelined phase detector for clock recovery systems
03/20/2003WO2003024005A1 Generation of a phase locked loop output signal having reduced spurious spectral components
03/20/2003WO2003023967A1 Dynamic control of a phase-locked loop
03/20/2003WO2002091649A3 Clock recovery circuit
03/20/2003US20030056221 Digital implementation of multi-channel demodulators
03/20/2003US20030056157 Method and apparatus for testing network integrity
03/20/2003US20030056136 Technique for synchronizing clocks in a network
03/20/2003US20030053577 Delay locked loop
03/20/2003US20030053576 Linear phase detector for high-speed clock and data recovery
03/20/2003US20030053565 Multi-channel serdes receiver for chip-to-chip and backplane interconnects and method of operation thereof
03/20/2003US20030052997 Video decoder having lock algorithm that distinguishes between a noisy television signal input and a video recorder signal
03/20/2003US20030052744 Modulator
03/20/2003US20030052740 Method and apparatus providing resampling function in a modulus prescaler of a frequency source
03/20/2003US20030052719 Digital delay line and delay locked loop using the digital delay line
03/20/2003US20030052718 Interpolating circuit, DLL circuit and semiconductor integrated circuit
03/20/2003US20030052343 Apparatus and method for distributing a clock signal on a large scale integrated circuit
03/20/2003CA2460107A1 Dynamic control of a phase-locked loop
03/19/2003EP1294123A1 Linear phase detector for high-speed clock and data recovery
03/19/2003EP1294116A2 Technique for synchronizing clocks in a network
03/19/2003EP1294101A2 Delay locked loop
03/19/2003EP1294100A2 Method and apparatus for providing resampling function in a modulus prescaler of a frequency source
03/19/2003EP1294093A1 Voltage controlled oscillator programmable delay cells
03/19/2003EP1293890A2 Clock control method, frequency dividing circuit and PLL circuit
03/19/2003EP1142121B1 Circuit for the frequency multiplication of an angle modulated signal using a pll and method
03/19/2003CN1404231A Antinoise and burst mode receiving equipment and method for recovering clock signal and its data
03/19/2003CN1404226A Automatic frequency control aided capture method and device
03/19/2003CN1404225A Phase-locking device and method correcting phase-locking frequency in scrambling mode
03/19/2003CN1404224A Delay phase-locking loop unit and its clock signal generating method
03/19/2003CN1404216A Frequency transformer
03/19/2003CN1103530C 声音中频信号处理电路 Sound intermediate frequency signal processing circuit
03/18/2003US6535989 Input clock delayed by a plurality of elements that are connected to logic circuitry to produce a clock frequency having a rational multiple less than one
03/18/2003US6535567 Method and apparatus for suppression of jitter in data transmission systems
03/18/2003US6535527 Low latency, low power deserializer
03/18/2003US6535070 Variable frequency oscillator, and phase locked loop and clock synchronizer using thereof
03/18/2003US6535051 Charge pump circuit
03/18/2003US6535048 Secure asynchronous clock multiplexer
03/18/2003US6535043 Clock signal selection system, method of generating a clock signal and programmable clock manager including same
03/18/2003US6535038 Reduced jitter clock generator circuit and method for applying properly phased clock signals to clocked devices
03/13/2003WO2003021800A1 Methods and apparatus for clock and power control in wireless systems
03/13/2003WO2003021787A1 Sigma-delta-based frequency synthesis
03/13/2003WO2003021786A1 Clock data recovery with selectable phase control
03/13/2003WO2003021637A2 A high performance integrated circuit regulator with substrate transient suppression
03/13/2003WO2003021600A2 Methods and apparatus utilizing flash burst mode to improve processor performance
03/13/2003WO2003021453A2 Generic serial port architecture and system
03/13/2003WO2003021446A2 High-speed program tracing
03/13/2003WO2003021439A1 Methods and apparatus for improving throughput of cache-based embedded processors by switching tasks in response to a cache miss
03/13/2003WO2003021426A2 Method and apparatus for timing and event processing in wireless systems
03/13/2003WO2003021409A2 Dynamic voltage control method and apparatus
03/13/2003WO2003021407A1 Phase locked loops fast power up methods and apparatus
03/13/2003WO2003007478A8 Method and device for producing mobile radio signals
03/13/2003WO2002054597A3 Low-noise load pump for phase-locking loop
03/13/2003WO2002021758A3 Clock generating circuit for regenerating input data and a method for the use thereof
03/13/2003US20030051231 High-speed program tracing
03/13/2003US20030050030 Generation of a phase locked loop output signal having reduced spurious spectral components
03/13/2003US20030050029 Fast locking wide band frequency synthesizer
03/13/2003US20030050026 High performance integrated circuit regulator with substrate transient suppression
03/13/2003US20030048863 Clock control method, frequency dividing circuit and PLL circuit
03/13/2003US20030048690 Semiconductor device having simplified internal data transfer
03/13/2003US20030048500 Method and apparatus for testing network integrity
03/13/2003US20030048145 Voltage controlled oscillators
03/13/2003US20030048144 Voltage-controlled oscillator circuit
03/13/2003US20030048139 Fast coarse tuning control for pll frequency synthesizer
03/13/2003US20030048126 Charge pump current compensating circuit
03/13/2003US20030048119 Apparatus and method for delay matching of full and divided clock signals
03/13/2003US20030048099 Modulation semiconductor integrated circuit device and testing method for oscillation circuit
03/12/2003EP1292034A2 Frequency Synthesizer
03/12/2003EP1292033A1 Charge pump current compensating circuit
03/12/2003EP1292032A1 Synchronous device
03/12/2003EP1292018A2 Balanced FET Mixer
03/12/2003EP1290799A1 Phase lock circuit
03/12/2003EP1290798A2 Fractional n-divider, and frequency synthesizer provided with a fractional n-divider
03/12/2003EP1290797A2 Method and apparatus for reducing pll lock time
03/12/2003EP1290796A1 A frequency synthesizer having a phase-locked loop with circuit for reducing power-on switching transients
03/12/2003EP1290795A2 Method of digitally synthesizing frequencies with rational relationships to a reference frequency
03/12/2003EP1290783A1 Digital modulation synthesizer
03/12/2003EP1290463A2 Method and apparatus for compensating local oscillator frequency error
03/12/2003EP0797870B1 Cmos voltage-controlled oscillator having a wide frequency range
03/12/2003CN2540066Y 高频时脉产生器 High frequency clock generator
03/12/2003CN1402434A Delay locking circuit using dichotomy, and related method
03/11/2003US6532560 Internal clock generating circuitry having testing function
03/11/2003US6532257 Method for performing phase comparison, and phase comparator
03/11/2003US6532255 Method and arrangement for minimizing the autocorrelation error in the demodulation of a spread-spectrum signal subject to multipath propagation
03/11/2003US6531974 Controlling time delay
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