Patents for H03L 7 - Automatic control of frequency or phase; Synchronisation (37,643)
07/2005
07/14/2005WO2005064797A1 A programmable direct interpolating delay locked loop
07/14/2005WO2005062698A2 System and method for managing protocol network failures in a cluster system
07/14/2005WO2005041414A3 Multi-band voltage controlled oscillator
07/14/2005US20050153677 System and method for on-chip filter tuning
07/14/2005US20050153662 Sigmadelta modulator for PLL circuit
07/14/2005US20050152462 Transmitting and receiving apparatus capable of the suppression of the microphonic noise in digital transmission system
07/14/2005US20050151595 Calibration device for a phased locked loop synthesiser
07/14/2005US20050151594 Programmable bandwidth during start-up for phase-lock loop
07/14/2005US20050151593 Programmable bandwidth and frequency slewing for phase-lock loop
07/14/2005US20050151592 Frequency and/or phase compensated microelectromechanical oscillator
07/14/2005US20050151583 Low pass filter de-glitch circuit
07/14/2005US20050151582 Tuning filters having transconductor cells
07/14/2005DE19928998B4 Elektronische Schaltungsanordnung zur Erzeugung einer Sendefrequenz Electronic circuit arrangement for generating a transmit frequency
07/14/2005DE102004023484A1 Oscillator system to produce a clock signal for digital signal processing has step frequency oscillator with tuning device and control signal unit
07/14/2005DE10134640B4 PLL-Schaltung und Verfahren zur automatischen Einstellung ihrer Ausgangsfrequenz PLL circuit and method for automatically adjusting its output frequency
07/13/2005EP1553702A1 Digital circuit having a delay circuit for clock signal timing adjustment
07/13/2005EP1552601A2 Circular geometry oscillators
07/13/2005EP1552600A2 Voltage-controlled oscillator comprising a circuit for compensating frequency pulling
07/13/2005EP1371167A4 Fractional-n frequency synthesizer with fractional compensation method
07/13/2005CN1639980A Phase locked loop circuit, electronic device including a phase locked loop circuit and method for generating a periodic signal
07/13/2005CN1639979A 电荷泵 Charge Pump
07/13/2005CN1638367A Integrated decision feedback equalizer and clock and data recovery circuit
07/13/2005CN1638366A Method and communication system to set loop delay of a decision feedback equalizer
07/13/2005CN1638356A Transmitter device and relay device for performing data transmission control
07/13/2005CN1638342A System and method for managing protocol network failures in a cluster system
07/13/2005CN1638284A VCO circuit, PLL circuit, and data recording apparatus
07/13/2005CN1638283A Single crystal vibrator digital phase-locked loop device realizing E1T1 debouncing
07/13/2005CN1638262A Voltage controlled oscillator and phase locked loop circuit having the same
07/13/2005CN1637944A Power-up circuit semiconductor memory device
07/12/2005US6918050 Delay adjustment circuit and a clock generating circuit using the same
07/12/2005US6918047 Apparatus for high data rate synchronous interface using a delay locked loop to synchronize a clock signal and a method thereof
07/12/2005US6917762 Optical transmission system for compensating for transmission loss
07/12/2005US6917661 Method, architecture and circuitry for controlling pulse width in a phase and/or frequency detector
07/12/2005US6917660 Adaptive de-skew clock generation
07/12/2005US6917658 Clock recovery method for bursty communications
07/12/2005US6917388 Video signal processing device for automatically adjusting phase of sampling clocks
07/12/2005US6917328 Radio frequency device for receiving TV signals and GPS satellite signals and performing positioning
07/12/2005US6917317 Signal processing device, signal processing method, delta-sigma modulation type fractional division PLL frequency synthesizer, radio communication device, delta-sigma modulation type D/A converter
07/12/2005US6917247 NCO based timebase recovery system and method for A/V decoder
07/12/2005US6917235 Low voltage circuit for interfacing with high voltage analog signals
07/12/2005US6917232 Method and apparatus for generating a quadrature clock
07/12/2005US6917230 Low pass filters in DLL circuits
07/12/2005US6917229 Delay locked loop having low jitter in semiconductor device
07/12/2005US6917228 Delay locked loop circuit with time delay quantifier and control
07/12/2005US6917224 Frequency synthesizer and frequency synthesizing method
07/12/2005US6917192 Circuitry for reducing leakage currents in a transmission gate switch using very small MOSFET devices
07/12/2005CA2298992C Temperature compensated high performance oscillator
07/07/2005WO2005062471A1 Method and arrangement for interference compensation in a voltage-controlled frequency generator
07/07/2005WO2005062461A1 Method and apparatus for reduced noise band switching circuits
07/07/2005WO2005039038A3 Voltage controlled oscillator having improved phase noive
07/07/2005WO2005006392A3 Low voltage circuit for interfacing with high voltage analog signals
07/07/2005US20050149779 Circuit for producing a variable frequency clock signal having a high frequency low jitter pulse component
07/07/2005US20050149778 On-chip timing characterizer
07/07/2005US20050148310 Harmonic image-reject converter
07/07/2005US20050147197 Method and apparatus for acquiring a frequency without a reference clock
07/07/2005US20050147195 Synchronizing circuit for stably generating an output signal
07/07/2005US20050147194 Programmable phase interpolator adjustment for ideal data eye sampling
07/07/2005US20050146384 Voltage controlled oscillator and phase locked loop circuit having the same
07/07/2005US20050146368 Adaptive delay of timing control signals
07/07/2005US20050146365 Apparatus for generating internal clock signal
07/07/2005US20050146364 Charge pump including a feedback device for use in a phase-locked loop
07/07/2005CA2550284A1 Method and apparatus for reduced noise band switching circuits
07/07/2005CA2491119A1 Wideband signal generators, measurement devices, methods of signal generation and methods of signal analysis
07/06/2005EP1551102A1 Device for calibrating the frequency of an oscillator, phase looked loop circuit comprising said calibration device and related frequency calibration method.
07/06/2005EP1550218A1 Driver device for a voltage-controlled oscillator
07/06/2005EP1550199A2 Power supply control circuits
07/06/2005CN1636413A Methods and apparatus for identifying asset location in communication networks
07/06/2005CN1636321A Bit-detection arrangement and apparatus for reproducing information
07/06/2005CN1209930C Synchronous processing circuit
07/06/2005CN1209751C Optical disc reproducing equipment
07/05/2005US6915318 Interpolator
07/05/2005US6915081 PLL circuit and optical communication reception apparatus
07/05/2005US6914953 Multiphase clock recovery using D-type phase detector
07/05/2005US6914935 Fractional N synthesizer with reduced fractionalization spurs
07/05/2005US6914798 Register controlled DLL for reducing current consumption
07/05/2005US6914494 Very low current oscillator with variable duty cycle
07/05/2005US6914492 Digital programmable delay scheme with automatic calibration
07/05/2005US6914491 Controlling an oscillator or a phase-delay device in a phase-control circuit
07/05/2005US6914490 Method for clock generator lock-time reduction during speedstep transition
07/05/2005US6914489 Voltage-controlled oscillator presetting circuit
07/05/2005US6914476 High bandwidth, high PSRR, low dropout voltage regulator
07/05/2005US6914465 Voltage-controlled osillator
07/05/2005US6914464 Phase locked loop circuit using fractional frequency divider
07/05/2005US6914463 Frequency output generation through alternating between selected frequencies
07/05/2005US6914458 Method and device for generating a signal with a frequency equal to the product of a reference frequency and a real number
06/2005
06/30/2005WO2005060105A1 Circuit arrangement and method for locking onto and/or processing data, in particular audio, t[ele]v[ision] and/or video data
06/30/2005WO2005060104A1 Phase-locked loop
06/30/2005WO2005060103A2 A phase locked loop that sets gain automatically
06/30/2005WO2005060043A2 Phase shifters, such as for a multiple antenna wireless communication system
06/30/2005US20050143041 Frequency generation apparatus and method for data transmission
06/30/2005US20050143036 Estimating carrier phase in communication systems
06/30/2005US20050141662 VCO circuit, Pll circuit using VCO circuit, and data recording apparatus using the Pll circuit
06/30/2005US20050141636 Modulator and semiconductor integrated circuit including modulator and wired or wireless communication device including modulator and semiconductor device
06/30/2005US20050140667 Connection device capable of converting a pixel clock to a character clock
06/30/2005US20050140422 Switched capacitor circuit compensation apparatus and method
06/30/2005US20050140417 Variable-delay signal generators and methods of operation therefor
06/30/2005US20050140416 Programmable direct interpolating delay locked loop
06/30/2005US20050140411 Frequency division/multiplication with jitter minimization
06/30/2005US20050140409 Speed-locked loop to provide speed information based on die operating conditions
06/30/2005US20050140408 Delay locked loop in semiconductor memory device and locking method thereof