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)
03/2012
03/29/2012US20120076180 Phase-locked loop and radio communication device
03/29/2012US20120075028 LC Oscillator
03/29/2012US20120074998 Integrated circuit device, electronic device and method for compensating frequency drift of a controllable oscillator
03/29/2012US20120074997 Phase-locked loop based frequency synthesizer and method of operating the same
03/29/2012US20120074996 Method and apparatus for correcting phase offset errors in a communication device
03/29/2012US20120074995 Fractional-N PLL Using Multiple Phase Comparison Frequencies to Improve Spurious Signal Performance
03/29/2012US20120074994 Method and apparatus for aligning phases ofa master clock and a slave clock
03/29/2012US20120074993 Integrated circuit device, electronic device and method therefor
03/29/2012US20120074991 Reset signal distribution
03/29/2012US20120074985 Semiconductor device
03/29/2012DE102010046860A1 Elektronische Vorrichtung und Verfahren für Spreizspektrumtakt-Modulation (SSC-Modulation) Electronic device and method for Spreizspektrumtakt modulation (SSC modulation)
03/29/2012DE102007005709B4 Takt- und Datenrückgewinnungsschaltung mit Verstärkungsregelung Clock and data recovery circuit with automatic gain control
03/28/2012EP2434647A2 Injection-locked oscillator
03/28/2012EP2434646A1 Signal transmission system with clock signal generator configured for generating clock signal having stepwise/smooth frequency transition and related signal transmission method thereof
03/28/2012EP2433366A1 Transmit architecture for wireless multi-mode applications
03/28/2012EP2433358A1 Apparatus for reducing degradation in performance caused by coupling
03/28/2012CN202178757U 一种用于本振产生电路的除二分频器 A method for generating a local oscillator divider circuit except two
03/28/2012CN102394647A Intermittent rubidum atomic clock microwave frequency synthesizer
03/28/2012CN102394646A 光学模块和原子振荡器 Optical module and atomic oscillator
03/28/2012CN102394645A Frequency agility synthesis method compatible with microwave large band width and mid-frequency small stepping and device thereof
03/28/2012CN102394644A Fitting method of cosine signal
03/28/2012CN102394643A Digital pulse width modulator based on digital delayed-locked loop (DLL)
03/28/2012CN102394642A Phase-locked loop type frequency synthesizer and radio frequency program-controlled frequency divider
03/28/2012CN102394641A Control system and method for controlling output clocks of different PLLs in a processor
03/28/2012CN102394640A Delay lock-loop circuit and quick lock-in algorithm
03/28/2012CN101814917B Self-correcting phaselocked loop frequency synthesizer capable of realizing frequency band selection
03/28/2012CN101714874B Delay phase-locked loop with power-saving function
03/28/2012CN101183870B Asynchronous phase obtaining unit with dithering
03/28/2012CN101183869B Digital phase locked loop
03/28/2012CN101034950B Clock synchronization method and device
03/27/2012US8145171 Clock clean-up phase-locked loop (PLL)
03/27/2012US8143958 Systems and methods for self testing a voltage controlled oscillator in an open loop configuration
03/27/2012US8143957 Current-mode gain-splitting dual-path VCO
03/27/2012US8143956 Atomic beam optical frequency atomic clock and a producing method thereof
03/27/2012US8143955 Oscillator circuit for radio frequency transceivers
03/27/2012US8143954 Oscillation device with auxiliary oscillating means
03/27/2012US8143953 Self-trim and self-test of on-chip values
03/27/2012US8143925 Delay locked loop
03/22/2012WO2012036928A1 Techniques for varying a periodic signal based on changes in a data rate
03/22/2012WO2012035941A1 Frequency divider circuit, pll circuit provided therewith, and semiconductor integrated circuit
03/22/2012WO2012035800A1 Frequency division circuit and pll circuit comprising same and semiconductor integrated circuit
03/22/2012WO2012035142A1 Method and system for clock recovery with adaptive loop gain control
03/22/2012US20120069245 Video System Sampling Phase Determination
03/22/2012US20120068748 Phase Detection Method and Phase Detector
03/22/2012US20120068747 Method and apparatus for improving accuracy of signals delay
03/22/2012US20120068746 Phase-locked loop circuit and delay-locked loop circuit
03/22/2012US20120068745 Injection-locked frequency divider
03/22/2012US20120068744 Phase Locked Loop Circuits
03/22/2012US20120068743 Feedback-Based Linearization of Voltage Controlled Oscillator
03/22/2012US20120068742 Method and apparatus for efficient time slicing
03/22/2012US20120068741 Phase locked loop and method for operating the same
03/21/2012EP2432128A1 Method and system for clock recovery with adaptive loop gain control
03/21/2012EP2430788A1 Phase detection method and phase detector
03/21/2012CN202172385U 一种低噪声下变频器 A low noise converter
03/21/2012CN1956338B DLL circuit and semiconductor device incorporating the same
03/21/2012CN102388536A Reference frequency generator device
03/21/2012CN102386916A Digital pulse width modulator circuit capable of reducing power consumption and chip area
03/21/2012CN102386915A Injection locking frequency divider
03/21/2012CN102386914A Digital controllable annular voltage-controlled oscillator circuit
03/21/2012CN102386850A Voltage controlled oscillation modulator circuit
03/21/2012CN101651456B Circuit for recovering clock signals
03/21/2012CN101296069B 时钟数据恢复电路 Clock and data recovery circuit
03/20/2012US8138842 PLL frequency synthesizer
03/20/2012US8138841 Apparatus and method for controlling the output phase of a VCO
03/20/2012US8138840 Optimal dithering of a digitally controlled oscillator with clock dithering for gain and bandwidth control
03/20/2012US8138809 Periodic signal delay apparatus, systems, and methods
03/20/2012US8138808 Circuit for detecting phase imbalance of signals
03/20/2012US8138807 Power-on detecting circuit and level converting circuit
03/20/2012US8138799 Inter-phase skew detection circuit for multi-phase clock, inter-phase skew adjustment circuit, and semiconductor integrated circuit
03/20/2012CA2512670C Digital television transmitter and receiver for transmitting and receiving dual stream using 4 level vestigial side band robust data
03/15/2012WO2012032686A1 Pll frequency synthesizer
03/15/2012WO2012031684A1 Circuit arrangement for producing radio-frequency output signals formed by a broadband frequency ramp
03/15/2012US20120063546 Phase-locked loop circuit
03/15/2012US20120063534 Signal transmission system with clock signal generator configured for generating clock signal having stepwise/smooth frequency transition and related signal transmission method thereof
03/15/2012US20120063521 Fractional-n phase locked loop, operation method thereof, and devices having the same
03/15/2012US20120063520 Semiconductor integrated circuit, radio communication device and time to digital converter
03/15/2012US20120063504 System and method for crystal oscillator frequency tuning
03/15/2012US20120062326 Self-Calibrating Relaxation Oscillator Based Clock Cycle
03/15/2012US20120062297 Phase locked loop (pll) based frequency sweep generator
03/15/2012US20120062296 Time to digital converter and all digital phase-locked-loop
03/15/2012US20120062295 Control voltage tracking circuits, methods for recording a control voltage for a clock synchronization circuit and methods for setting a voltage controlled delay
03/15/2012US20120062294 Clock delay circuit and delay locked loop including the same
03/15/2012US20120062293 Injection-locked phase-locked loop with a self-aligned injection window
03/15/2012US20120062292 Phase-locked loop circuit and radio receiver
03/15/2012US20120062291 Clock data recovery circuit
03/15/2012US20120062290 Methods and systems for digital pulse width modulator
03/15/2012US20120062289 Local oscillator
03/15/2012US20120062288 Device and Method for Generating a Signal of Parametrizable Frequency
03/15/2012US20120062287 Injection-locked frequency dividing apparatus
03/15/2012US20120062286 Terahertz phased array system
03/15/2012US20120062285 Discrete time polyphase mixer
03/15/2012US20120062284 Low-voltage data retention circuit and method
03/15/2012US20120062283 Scan-based reset
03/15/2012US20120062282 Clock management unit and method of managing a clock signal
03/14/2012EP2428960A1 Methods and apparatus for clock signal synchronization in a configuration of series-connected semiconductor devices
03/14/2012EP2022206B1 Clock signal recovery device and method for recovering clock signals
03/14/2012EP1623503B1 Method and apparatus for a low jitter dual-loop fractional -n synthesizer
03/14/2012CN202168066U 一种电流复用二分频电路 A current divider circuit multiplexing two
03/14/2012CN202168065U 双dds和pll频率合成器 Double dds and pll frequency synthesizer
03/14/2012CN202167988U 一种用于锁相环的电荷泵电路 A PLL charge pump circuit
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