| Patents for H03L 7 - Automatic control of frequency or phase; Synchronisation (37,643) |
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| 09/27/2011 | US8026749 Phase locked loop circuit, method of operating phase locked loop circuit and semiconductor memory device including phase locked loop circuit |
| 09/27/2011 | US8026748 DLL circuit having activation points |
| 09/27/2011 | US8026747 Apparatus and method for multi-phase clock generation |
| 09/27/2011 | US8026746 Power on reset circuitry for manufacturability and security using a fuse |
| 09/22/2011 | WO2011116218A2 Frequency measuring and control apparatus with integrated parallel synchronized oscillators |
| 09/22/2011 | WO2011115653A1 Phase locked loop (pll) with analog and digital feedback controls |
| 09/22/2011 | WO2011114396A1 Pll frequency synthesizer |
| 09/22/2011 | US20110230155 Millimeter wave oscillator |
| 09/22/2011 | US20110228889 Repeater Architecture with Single Clock Multiplier Unit |
| 09/22/2011 | US20110228626 Synchronization circuit and method with transparent latches |
| 09/22/2011 | US20110228572 Oscillator having time-variant frequency deviation and related power supply |
| 09/22/2011 | US20110228424 Dual gain control for magnetic data storage system |
| 09/22/2011 | US20110228284 Image forming apparatus, electric apparatus, and recording control method |
| 09/22/2011 | US20110228165 Synchronous signal conversion circuit, signal processing system including it, and synchronous signal conversion method |
| 09/22/2011 | US20110228105 Data transfer device and electronic camera |
| 09/22/2011 | US20110227655 Crystal-oscillator circuit |
| 09/22/2011 | US20110227621 Gain normalization of a time-to-digital converter |
| 09/22/2011 | US20110227620 Semiconductor device having delay locked loop and method for driving the same |
| 09/22/2011 | US20110227619 Clock generation circuit, semiconductor device including the same, and method of generating clock signal |
| 09/22/2011 | US20110227618 Internal-clock adjusting circuit |
| 09/22/2011 | US20110227617 Phase locked loop circuit and system having the same |
| 09/22/2011 | US20110227616 Phase locked loop circuit, method of detecting lock, and system having the circuit |
| 09/22/2011 | US20110227615 Pll with continuous and bang-bang feedback controls |
| 09/22/2011 | US20110227614 TCXO Replacement for GPS |
| 09/22/2011 | US20110227613 Power control circuit |
| 09/22/2011 | US20110227609 Semiconductor integrated circuit capable of evaluating the characteristics of a transistor |
| 09/22/2011 | US20110227593 Semiconductor device and test apparatus including the same |
| 09/21/2011 | EP2366220A1 Techniques for minimizing control voltage ripple due to charge pump leakage in phase locked loop circuits |
| 09/21/2011 | CN201985843U 一种内插混频器的dds激励pll的微波频率合成器 An internal mixer dds plug microwave excitation frequency synthesizer pll |
| 09/21/2011 | CN201985842U 微波带宽折叠接收器的本振频率产生电路 Microwave bandwidth folded receiver local oscillator frequency generation circuit |
| 09/21/2011 | CN102197598A System and method for precision phase shift measurement |
| 09/21/2011 | CN102197597A Multi-channel digital pulse width modulator (DPWM) |
| 09/21/2011 | CN102195647A Atomic oscillator |
| 09/21/2011 | CN102195646A Automatic clock oscillator calibration method and circuit |
| 09/21/2011 | CN102195645A Frequency synthesizer suitable for software radio system |
| 09/21/2011 | CN102195644A Programmable direct interpolating delay locked loop |
| 09/21/2011 | CN102195643A PLL apparatus |
| 09/21/2011 | CN102195642A Phase-locked loop circuit, semiconductor integrated circuit, electronic device, and control method of phase-locked loop circuit |
| 09/21/2011 | CN102195641A Phase-locked loop start up circuit |
| 09/21/2011 | CN102195640A Phase lock loop (PLL) device and control method thereof |
| 09/21/2011 | CN101162910B Device and method of local oscillator leakage automatic eliminator |
| 09/21/2011 | CN101150318B Frequency synthesizer and method |
| 09/21/2011 | CN101141427B Method and device for performing demodulation to digital signal using synchronous clock signal |
| 09/21/2011 | CN101136628B Digital circuit means for implementing data dithering removal |
| 09/21/2011 | CN101123435B Method for adjusting oscillator in phase-locked loop and related frequency synthesizer |
| 09/21/2011 | CN101084626B Phase interpolator, receiver and method of phase interpolator recovering clock signal |
| 09/20/2011 | US8023913 Master-slave local oscillator porting between radio integrated circuits |
| 09/20/2011 | US8022782 Two-point phase modulator and method of calibrating conversion gain of the same |
| 09/20/2011 | US8022775 Systems and methods for maintaining a drive signal to a resonant circuit at a resonant frequency |
| 09/20/2011 | US8022774 Phase-locked loop circuit, recording-and-reproducing apparatus, and electronic apparatus |
| 09/20/2011 | US8022773 Clock signal generation device, and wireless base station |
| 09/20/2011 | US8022741 Digital electronic device and method of altering clock delays in a digital electronic device |
| 09/20/2011 | US8022740 Fast-response phase-locked loop charge-pump driven by low voltage input |
| 09/20/2011 | US8022739 Charge pump circuit |
| 09/20/2011 | US8022738 Apparatus and method for detecting the loss of an input clock signal for a phase-locked loop |
| 09/20/2011 | US8022737 Electronic device and delay circuit thereof |
| 09/15/2011 | WO2011084527A3 Signal decimation techniques based on a configurable frequency divider and a configurable delay |
| 09/15/2011 | US20110225436 Battery powered device with dynamic and performance management |
| 09/15/2011 | US20110224996 Adjustable sampling rate converter |
| 09/15/2011 | US20110221534 Quality of Phase Lock and Loss of Lock Detector |
| 09/15/2011 | US20110221506 Phase-combining circuit and timing signal generator circuit for carrying out a high-speed signal transmission |
| 09/15/2011 | US20110221498 System for synchronizing operation of a circuit with a control signal, and corresponding integrated circuit |
| 09/15/2011 | US20110221497 Method and apparatus for minimizing skew between signals |
| 09/15/2011 | US20110221496 Dll circuit |
| 09/15/2011 | US20110221495 Digital dll including skewed gate type duty correction circuit and duty correction method thereof |
| 09/15/2011 | US20110221494 Phase-locked loop start up circuit |
| 09/15/2011 | US20110221493 Constant Phase Angle Control for Frequency Agile Power Switching Systems |
| 09/15/2011 | US20110221492 Digitally controlled oscillator |
| 09/15/2011 | US20110221491 Receiving circuit and sampling clock control method |
| 09/15/2011 | US20110221490 PLL apparatus |
| 09/15/2011 | US20110221489 Automatic frequency calibration circuit and automatic frequency calibration method |
| 09/15/2011 | US20110221488 Interface circuit with damping resistor circuit |
| 09/15/2011 | US20110221487 Clock synchroniser |
| 09/15/2011 | US20110221486 Digitally calibrated high speed clock distribution |
| 09/15/2011 | US20110221485 Time synchronization method and apparatus |
| 09/15/2011 | US20110221484 Circuit for generating power-up signal of semiconductor memory apparatus |
| 09/15/2011 | US20110221483 Integrated circuit and standby controlling method thereof |
| 09/15/2011 | DE102011001068A1 Oszillator mit steuerbarer Frequenz Oscillator with controllable frequency |
| 09/15/2011 | DE102010011128A1 Frequency synthesizer for time base generator of level measuring device, has fractional frequency divider operated with periodical divider factor sequences whose periodical length is shorter in specified range |
| 09/14/2011 | CN201976085U System for preventing delay-locked loop from false locking |
| 09/14/2011 | CN201976027U 具有开关器件反压限制功能的感应加热电源相位跟踪电路 Induction heating power supply phase tracking circuit having a switching device back pressure limit function |
| 09/14/2011 | CN102187587A Electronic devices for communication utilizing energy detection and/or frequency synthesis |
| 09/14/2011 | CN102187580A Device for reconstructing the clock of an nrz signal, and associated transmission system |
| 09/14/2011 | CN102187579A Digital pll circuit and communication apparatus |
| 09/14/2011 | CN102187578A Methods, algorithms, circuits, and systems for determining a reference clock frequency and/or locking a loop oscillator |
| 09/14/2011 | CN102185608A Method for generating stepped frequency signals based on combination of direct digital synthesis (DDS) and ping-pong phase locked loop |
| 09/14/2011 | CN102185607A Phase difference detection method, device and circuit in phase-locked loop circuit |
| 09/14/2011 | CN101663746B Semiconductor integrated circuit |
| 09/14/2011 | CN101640534B Full digital phase-locked loop applying rapid frequency capture method |
| 09/14/2011 | CN101567678B Numerical control ring-shaped oscillator with adjustable series |
| 09/14/2011 | CN101562452B Voltage-current converter circuit |
| 09/14/2011 | CN101534120B Phase-locked loop circuit and charging method thereof |
| 09/14/2011 | CN101237234B Fast turn on and off speed cascade charge pump for PLL |
| 09/14/2011 | CN101204017B Wireless receiver |
| 09/14/2011 | CN101162266B Global positioning system receiver and hand-held electronic device |
| 09/14/2011 | CN101102108B Time signal generation method and system and phase-locked circuit |
| 09/13/2011 | US8020027 Timing control in a specialized processing block |
| 09/13/2011 | US8019565 Parameter correction circuit and parameter correction method |
| 09/13/2011 | US8019301 Calibration techniques for frequency synthesizers |
| 09/13/2011 | US8018289 Holdover circuit for phase-lock loop |