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)
12/2003
12/31/2003WO2004001973A1 Delay-locked loop
12/31/2003WO2004001972A1 Synchronous mirror delay (smd) circuit and method including a counter and reduced size bi-directional delay line
12/31/2003WO2002099974A3 Tunable voltage controlled oscillator circuit having aided acquisition and methods for operating the same
12/31/2003WO2002015407A3 Method and arrangement for synchronizing a σδ-modulator
12/31/2003CN2596675Y Full digital phase-locked loop
12/31/2003CN1465029A A variable modulus interpolator, and a variable frequency synthesiser incorporating the variable modulus interpolator
12/31/2003CN1464637A Clock phase locking method and phase-locked loop
12/31/2003CN1464636A Digital clock resetting device
12/31/2003CN1133340C Local vibration source for RF phase lock
12/31/2003CN1133283C 发射接收机 Transmitter-receiver
12/31/2003CN1133271C Phase locked loop with controllable response time
12/30/2003US6671500 Frequency plan
12/30/2003US6671341 Glitch-free phase switching synthesizer
12/30/2003US6671339 Lock detecting apparatus and method for multimedia digital broadcasting receiver
12/30/2003US6671220 Semiconductor device having simplified internal data transfer
12/30/2003US6671112 Semiconductor integrated circuit device
12/30/2003US6671002 VSB receiver
12/30/2003US6670995 Phase-locked loop circuit for horizontal synchronization signal
12/30/2003US6670861 Method of modulation gain calibration and system thereof
12/30/2003US6670859 Differential ring oscillator stage
12/30/2003US6670858 High speed voltage-controlled ring oscillator
12/30/2003US6670857 Audio clock restoring apparatus and audio clock restoring method
12/30/2003US6670855 PLL device with plural phase comparators
12/30/2003US6670854 Fractional-N frequency synthesizer and method of operating the same
12/30/2003US6670853 Data recovery circuit and method thereof
12/30/2003US6670852 Oscillator tuning method
12/30/2003US6670835 Delay locked loop for controlling phase increase or decrease and phase control method thereof
12/30/2003US6670834 Digital lock detect for dithering phase lock loops
12/30/2003US6670833 Multiple VCO phase lock loop architecture
12/30/2003US6669087 Method and apparatus for accessing product information using bar code data
12/25/2003US20030235262 Fine-grained gear-shifting of a digital phase-locked loop (PLL)
12/25/2003US20030235261 Digital delta sigma modulator in a fractional-N frequency synthesizer
12/25/2003US20030235260 Methods and apparatus for generating timing signals
12/25/2003US20030234693 Type-II all-digital phase-locked loop (PLL)
12/25/2003US20030234692 RF energy dispersal in systems consisting of aggregated computing elements as subsystems
12/25/2003US20030234673 Synchronous mirror delay (smd) circuit and method including a counter and reduced size bi-directional delay line
12/25/2003US20030234669 Methods and apparatus for synthesizing a clock signal
12/24/2003WO2003107536A2 Self-dividing oscillators
12/24/2003WO2003107340A1 Dynamic copy window control for domain expansion reading
12/24/2003WO2003034090A3 Variable bandwidth code-tracking loop with improved signal dynamics loop noise and sensitivity
12/24/2003CN1463494A 半导体集成电路 The semiconductor integrated circuit
12/24/2003CN1463491A 半导体集成电路 The semiconductor integrated circuit
12/24/2003CN1463365A Low noise microwave synthesizer employing high frequency combs for tuning drift cancel loop
12/24/2003CN1132371C 用于同步振荡器信号的方法和装置 Method and apparatus for synchronizing the oscillator signal
12/24/2003CN1132314C Charge pump circuit for PLL
12/24/2003CN1132313C Over-sampling type clock recovery circuit with power consumption reduced and method of regulating clock signal phase position in it
12/24/2003CN1132303C 带振荡石英的振荡电路 With the oscillation of the quartz oscillation circuit
12/23/2003US6668035 Structure of delta-sigma fractional type divider
12/23/2003US6667666 Synchronous oscillators
12/23/2003US6667663 Phase locked loop circuit
12/23/2003US6667646 Small-sized digital generator producing clock signals
12/23/2003US6667644 Device for controlling clock signal phase to reduce clock skew
12/23/2003US6667643 Delay locked loop with multi-phases
12/23/2003US6667642 Method and circuit for reducing the power up time of a phase lock loop
12/23/2003US6667641 Programmable phase shift circuitry
12/23/2003US6667640 Phase locked loop circuit having a wide oscillation frequency range for reducing jitter
12/23/2003US6667639 Frequency multiplying system having a plurality of output frequencies
12/18/2003WO2003105347A1 Stabilization technique for phase-locked frequency synthesizers
12/18/2003WO2003105346A1 Lc oscillator with wide tuning range and low phase noise
12/18/2003WO2003023967A8 Dynamic control of a phase-locked loop
12/18/2003WO2003001692A3 Low leakage local oscillator system
12/18/2003WO2002097990A3 Ultra low jitter clock generation device and method for storage device
12/18/2003WO2002093749A3 Method for generating an internal clock pulse in an electric circuit and a corresponding electric circuit comprising a central clock-pulse generator
12/18/2003US20030232606 Automatic frequency control apparatus
12/18/2003US20030231730 Method and apparatus for jitter reduction in phase locked loops
12/18/2003US20030231729 Linearized fractional-N synthesizer with fixed charge pump offset
12/18/2003US20030231069 Phase-lock loop for preventing frequency drift and jitter and method thereof
12/18/2003US20030231068 Compensation for oscillator tuning gain variations in frequency synthesizers
12/18/2003US20030231066 Mobile radio communications device
12/18/2003US20030231065 Oscillation state discrimination circuit and oscillation control circuit adapted to oscillation circuit
12/18/2003US20030231064 PLL circuit and phase difference detecting circuit that can reduce phase pull-in time and adjust a skew at a higher precision
12/18/2003US20030231053 Tunable filter circuit including a phase locked loop
12/18/2003US20030231037 Charge pump having reduced switching noise
12/18/2003US20030231036 Low power voltage to current converter
12/18/2003CA2488631A1 Lc oscillator with wide tuning range and low phase noise
12/17/2003EP1371167A1 Fractional-n frequency synthesizer with fractional compensation method
12/17/2003EP1371139A2 Low-noise load pump for phase-locking loop
12/17/2003CN1462509A Increment summation fractional-N frequency divider with improved noise and spur performance
12/17/2003CN1462508A Method and apparatus for reducing PLL lock time
12/17/2003CN1462114A Phase-comparision circuit and clock data restoring circuit and transceiver circuit
12/17/2003CN1131592C Signal phase discriminating method in stata transferring sequential logic
12/16/2003US6665523 Receiver tuning system
12/16/2003US6665360 Data transmitter with sequential serialization
12/16/2003US6665359 Digital data separator
12/16/2003US6665339 Method and apparatus for reducing oscillator pull in a CMOS wireless transceiver integrated circuit
12/16/2003US6665246 Optical disk apparatus
12/16/2003US6665218 Self calibrating register for source synchronous clocking systems
12/16/2003US6664861 Method and apparatus for stable phase-locked looping
12/16/2003US6664860 Programmable oscillator circuit and method
12/16/2003US6664859 State machine based phase-lock-loop for USB clock recovery
12/16/2003US6664837 Delay line trim unit having consistent performance under varying process and temperature conditions
12/16/2003US6664831 Circuit for post-silicon control of delay locked loop charge pump current
12/16/2003US6664830 Low pass filters in DLL circuits
12/16/2003US6664829 Charge pump using dynamic charge balance compensation circuit and method of operation
12/16/2003US6664828 Post-silicon control of phase locked loop charge pump current
12/16/2003US6664827 Direct digital synthesizer phase locked loop
12/16/2003US6664826 Loop filter and amplifier for improved phase margin and decreased phase noise with VCOs
12/16/2003US6664819 Frequency synthesizer for improving a unique DDS characteristic
12/11/2003WO2003103148A1 Phase locked loop (pll) frequency synthesizer and method
12/11/2003WO2003103147A1 High frequency signal source using dielectric resonator oscillator circuit
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