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)
12/2008
12/11/2008US20080303568 Clock distribution network supporting low-power mode
12/11/2008US20080303567 Delay locked loop circuit
12/11/2008US20080303566 Spread spectrum clock generator with low jitter
12/11/2008US20080303565 Dll circuit and related method for avoiding stuck state and harmonic locking utilizing a frequency divider and an inverter
12/11/2008US20080303564 On chip timing adjustment in multi-channel fast data transfer
12/10/2008CN101321294A Audio clock regenerator with precisely tracking mechanism
12/10/2008CN101320972A Dll circuit and related method
12/10/2008CN100442836C Digital transmission system and clock reproducing device
12/10/2008CN100442665C Clock phase detecting device and method
12/10/2008CN100442664C Mobile terminal and method with automatically calibrated clock source
12/10/2008CN100442655C System for controlling the frequency of an oscillator
12/09/2008US7464283 System and method for producing precision timing signals by controlling register banks to provide a phase difference between two signal paths
12/09/2008US7463873 Wireless communications device having type-II all-digital phase-locked loop (PLL)
12/09/2008US7463710 Fractional-N synthesizer and method of programming the output phase
12/09/2008US7463278 Pixel clock generation circuit
12/09/2008US7463103 Chaotic signal generator for ultra wide band communication system
12/09/2008US7463101 Voltage controlled oscillator with temperature and process compensation
12/09/2008US7463100 Phase frequency detector capable of improving noise characteristics
12/09/2008US7463099 Phase detector for reducing noise
12/09/2008US7463098 Feedback system incorporating slow digital switching for glitch-free state changes
12/09/2008US7463097 Systems involving temperature compensation of voltage controlled oscillators
12/09/2008US7463096 Dynamic voltage and frequency management in integrated circuits
12/09/2008US7463074 Integrated circuit and method for generating a ready signal
12/09/2008US7463069 Phase detector with selection of differences between input signals
12/04/2008WO2008147889A1 Systems and methods for providing delayed signals
12/04/2008WO2008146433A1 Spread spectrum control pll circuit and its start-up method
12/04/2008WO2008145703A1 Register with process, supply voltage and temperature variation independent propagation delay path
12/04/2008WO2008122958A3 High-frequency counter
12/04/2008WO2008092154B1 System and method to extend synchronous operation of an active converter in a variable speed drive
12/04/2008US20080297972 Capacitor structure with variable capacitance, and use of said capacitor structure
12/04/2008US20080297414 Ultra-wideband variable-phase ring-oscillator arrays, architectures, and related methods
12/04/2008US20080297263 Filter-based lock-in circuits for PLL and fast system startup
12/04/2008US20080297218 Variable capacitance with delay lock loop
12/04/2008US20080297217 Method and apparatus for reducing interference
12/04/2008US20080297216 Test techniques for a delay-locked loop receiver interface
12/04/2008US20080297215 Method and apparatus for output data synchronization with system clock
12/04/2008US20080297214 Low Lock Time Delay Locked Loops Using Time Cycle Suppressor
12/04/2008US20080297213 Signaling with Superimposed Clock and Data Signals
12/04/2008US20080297211 Operation mode setting apparatus, semiconductor integrated circuit including the same, and method of controlling semiconductor integrated circuit
12/04/2008CA2686458A1 Systems and methods for providing delayed signals
12/03/2008EP1998449A1 Voltage controlled oscillator circuit
12/03/2008CN101316112A Frequency synthesizer used for frequency hopping system
12/03/2008CN101316104A Apparatus for all-digital serializer-de-serializer and associated methods
12/03/2008CN100440986C Digital PLL regulating crystal oscillator frequency and its regulation method
12/03/2008CN100440724C 低噪声振荡器 Low-noise oscillator
12/03/2008CN100440723C Emulator of transistor oscillator
12/03/2008CN100440371C Delay locked loop (dll) circuit and method for locking clock delay by using the same
12/03/2008CN100439936C Device for producing oscillator signal
12/02/2008US7460628 Synchronous clock generation apparatus and synchronous clock generation method
12/02/2008US7460565 Data communications circuit with multi-stage multiplexing
12/02/2008US7460451 Information-reproducing apparatus equipped with PLL circuit
12/02/2008US7459964 Switched capacitor filter and feedback system
12/02/2008US7459963 Filter apparatus including differential slave gm-C filter with frequency characteristics automatically tuned by master circuit
12/02/2008US7459949 Phase detector circuit and method therefor
11/2008
11/27/2008WO2008144579A2 Fractional-n synthesized chirp generator
11/27/2008WO2008144152A1 Injection-locked clock multiplier
11/27/2008WO2008144010A1 Techniques for integrated circuit clock management
11/27/2008WO2008142857A1 Semiconductor integrated circuit
11/27/2008WO2008005853A3 All- digital phase-locked loop for a digital pulse-width modulator
11/27/2008WO2007104010A3 Direct digital synthesizer with variable reference for improved spurious performance
11/27/2008WO2007030358A3 Rf synthesizer and rf transmitter or receiver incorporating the synthesizer
11/27/2008US20080292040 Phase locked loop apparatus with adjustable phase shift
11/27/2008US20080291770 Pll circuit for increasing potential difference between ground voltage and reference voltage or power source voltage of oscillation circuit
11/27/2008US20080290954 Fractional-N phase locked loop
11/27/2008US20080290953 System and Method for Generating LO Frequencies with Phase Locking in 2 Steps
11/27/2008US20080290949 Apparatus and method for asymmetric charge pump for an audio amplifier
11/27/2008US20080290919 Clock generator for semiconductor memory apparatus
11/27/2008US20080290918 Dll circuit of semiconductor memory apparatus and method of delaying and locking clock in semiconductor memory apparatus
11/27/2008US20080290917 Multi-band frequency generation method and apparatus
11/27/2008US20080290916 System Clock Generation Circuit
11/27/2008US20080290915 System and method for fast re-locking of a phase locked loop circuit
11/27/2008US20080290914 Self-Clearing Asynchronous Interrupt Edge Detect Latching Register
11/27/2008US20080290913 Clock signal switching device, clock signal switching method, data bus switching device, and data bus switching method
11/27/2008DE102008023516A1 System und Verfahren zum Erzeugen von LO-Frequenzen mit einer Phasenverriegelung in 2 Schritten System and method for generating LO frequencies with a phase locking in two steps
11/26/2008EP1995873A2 Radio equipment communicatable in two frequency bands and method for generating local oscillator signal in radio equipment
11/26/2008EP1994646A1 System and method for compensating for modulation induced frequency shift during transmission of a radio frequency signal
11/26/2008EP1384312B1 Tunable voltage controlled oscillator
11/26/2008CN101313508A Phase comparator and regulation circuit
11/26/2008CN101313471A Inductively-coupled RF power source
11/26/2008CN101313467A Voltage controlled oscillator circuit
11/26/2008CN101311871A Method and device for synchronous integrated circuit
11/26/2008CN100438336C Frequency tracking power frequency digital filtering method
11/25/2008US7457979 Synchronous follow-up apparatus and synchronous follow-up method
11/25/2008US7457600 VCO device
11/25/2008US7457392 Delay locked loop
11/25/2008US7457391 Clock and data recovery unit
11/25/2008US7456694 Self-calibrated constant-gain tunable oscillator
11/25/2008US7456670 Distributed delay-locked-based clock and data recovery systems
11/25/2008US7456666 Frequency-doubling delay locked loop
11/25/2008US7456665 Phase shifter
11/25/2008US7456664 Delay locked loop with precision controlled delay
11/25/2008US7456661 Phase-locked/frequency-locked loop and phase/frequency comparator therefor
11/20/2008WO2008140909A1 Lc-type vco
11/20/2008US20080287073 Clock generation circuit and semiconductor device provided therewith
11/20/2008US20080285696 Techniques for integrated circuit clock management using multiple clock generators
11/20/2008US20080285375 Semiconductor device, module including the semiconductor device, and system including the module
11/20/2008US20080284919 Fully integrated tuner architecture
11/20/2008US20080284531 Fractional-n synthesized chirp generator
11/20/2008US20080284530 Phase noise minimized phase/frequency-locked voltage-controlled oscillator circuit
11/20/2008US20080284527 Phase locked loop and method for operating the same
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