Patents for H03L 7 - Automatic control of frequency or phase; Synchronisation (37,643)
10/2012
10/31/2012CN102075186B Sigma delta fraction phase-locked loop improved structure
10/31/2012CN101584106B System and method to extend synchronous operation of an active converter in a variable speed drive
10/31/2012CN101459426B Dll clock signal generating circuit capable of correcting a distorted duty ratio
10/30/2012USRE43775 Register controlled delay locked loop and its control method
10/30/2012US8299858 Device, system, and method of frequency generation using an atomic resonator
10/30/2012US8299830 Semiconductor device
10/30/2012US8299829 Clock generation circuit, semiconductor device including the same, and method of generating clock signal
10/30/2012US8299828 ADPLL circuit, semiconductor device, and portable information device
10/30/2012US8299827 High-speed frequency divider and a phase locked loop that uses the high-speed frequency divider
10/30/2012US8299826 Phase locked loop circuitry having switched resistor loop filter circuitry, and methods of operating same
10/30/2012US8299825 Electronic age detection circuit
10/26/2012WO2012143970A1 Frequency synthesizer
10/26/2012WO2012143758A1 System and method for clock signal generation
10/25/2012US20120269017 Delay circuit and latency control circuit of memory, and signal delay method thereof
10/25/2012US20120269016 Latency control circuit, latency control method thereof, and semiconductor memory device including the same
10/25/2012US20120269015 Command paths, apparatuses, memories, and methods for providing internal commands to a data path
10/25/2012US20120269014 Delay control circuit and semiconductor memory device including the same
10/25/2012US20120268215 Circuit arrangement for generation of radio frequency output signals which form a broadband frequency ramp
10/25/2012US20120268214 Synthesizer of an oscillating signal
10/25/2012US20120268181 Semiconductor device
10/25/2012US20120268180 Delay locked loop
10/25/2012US20120268179 Voltage generator and method of generating voltage
10/25/2012US20120268178 Fully differential adaptive bandwidth PLL with differential supply regulation
10/25/2012US20120268177 Fractional divider for avoidance of lc-vco interference and jitter
10/25/2012US20120268176 Circuit and method for generating multiphase clock signals and corresponding indication signals
10/25/2012US20120268175 Adaptor circuit for power supply
10/25/2012US20120268174 System for detecting a reset condition in an electronic circuit
10/25/2012US20120268173 Semiconductor module includes semiconductor chip initialized by reset signal
10/25/2012US20120268172 Oscillation detector
10/25/2012DE102010002370B4 Fehlerdetektion in einer integrierten Schaltung Error detection in an integrated circuit
10/24/2012EP2515441A1 Clock and data recovery system, phase adjusting method, and phasedetector
10/24/2012EP2514097A2 Techniques for providing reduced duty cycle distortion
10/24/2012EP2513615A1 Pulsed radar level gauge system and method for energy efficient filling level determination
10/24/2012CN102754348A Clock synthesis systems, circuits and methods
10/24/2012CN102751987A Method and device for improving atomic frequency standard short-term stability index, and atomic frequency standard
10/24/2012CN102751986A Clock distribution system and method thereof
10/24/2012CN102751985A Automatic frequency calibration circuit applied to VCO (Voltage Controlled Oscillator)
10/24/2012CN102751984A High-speed clock data recovery system realization method and structure using same
10/24/2012CN102751983A Multi-loop synthesized local oscillation device of TD-LTE (time division-long term evolution) comprehensive test instrument
10/24/2012CN102751982A Clock selection circuit suitable for backboard spending treatment of communication equipment
10/24/2012CN102751981A Signal processing device and method for providing oscillating signal in the signal processing device
10/24/2012CN102751967A Multi-phase clock generator and data transmission lines
10/24/2012CN102118162B Low-phase noise broadband quadrature voltage controlled oscillator
10/24/2012CN101833603B Sigma-delta fraction N frequency comprehensive device behavior level modeling method
10/23/2012US8296598 Double data rate output circuit and method
10/23/2012US8295423 System and method for clockless data recovery
10/23/2012US8294525 Technique for linearizing the voltage-to-frequency response of a VCO
10/23/2012US8294498 Clock de-skewing delay locked loop circuit
10/23/2012US8294497 Low-offset charge pump, duty cycle stabilizer, and delay locked loop
10/18/2012US20120262239 Low power wideband lo using tuned injection locked oscillator
10/18/2012US20120262238 Pvt consistent pll incorporating multiple lcvcos
10/18/2012US20120262210 Circuit and method for delaying signal
10/18/2012US20120262209 Multi-Phase Clock Generator and Data Transmission Lines
10/18/2012US20120262208 Fault tolerant redundant clock circuit
10/17/2012EP2512033A1 A clock generation system
10/17/2012EP2510622A1 Phase locked loop with digital compensation for analog integration
10/17/2012EP2510621A1 Configurable digital-analog phase locked loop
10/17/2012EP1972059B1 Configurable multi-modulus frequency divider for multi-mode mobile communication devices
10/17/2012CN202495917U CMOS clock generating circuit without using crystal oscillator
10/17/2012CN102742153A Signal decimation techniques based on a configurable frequency divider and a configurable delay
10/17/2012CN102739249A Signal generating device and frequency synthesizer
10/17/2012CN102739248A Clock signal generation circuit
10/17/2012CN102739247A Frequency synthesizer and frequency synthesis method for converting spurious tone to noise
10/17/2012CN102739246A Clock generating apparatus and frequency calibrating method of the clock generating apparatus
10/17/2012CN102739245A Discrete frequency adjusting method of multi-pass ring oscillator
10/17/2012CN102739244A All-digital phase-locked loop
10/17/2012CN102739243A Low phase noise lock-phase medium oscillator
10/17/2012CN102739239A High-speed low power consumption true single-phase clock 2D type two-thirds dual-mode frequency divider
10/17/2012CN102739205A A clock generation system
10/17/2012CN102739174A Trans-conductance amplifier, resistor, inductor and filter
10/17/2012CN102739173A Transconductance amplifier, resistor, inductor and filter
10/17/2012CN102064826B All-digital clock generation circuit and all-digital clock generation method
10/17/2012CN101964658B Digital phase-locked loop and digital-phase frequency detector thereof
10/17/2012CN101951260B Digital delay phase locked loop circuit
10/17/2012CN101777910B Delay phase locked loop
10/16/2012US8289806 Multiple device apparatus, systems, and methods
10/16/2012US8289087 Method for detecting and correcting phase shift between I data clock in Q data clock in quadrature modulator or quadrature demodulator
10/16/2012US8289086 Fractional and integer PLL architectures
10/16/2012US8289058 Multi-output PLL output shift
10/16/2012US8289057 Phase locked loop
10/16/2012US8289056 Phase detector circuit for automatically detecting 270 and 540 degree phase shifts
10/16/2012CA2643607C Method for dealing with missing or untimely synchronization signals in digital communications systems
10/11/2012WO2012139078A1 Supply-regulated vco architecture
10/11/2012WO2012138515A2 Adjustment of clock signals regenerated from a data stream
10/11/2012WO2012138509A2 Techniques for reducing duty cycle distortion in periodic signals
10/11/2012WO2012137590A1 Semiconductor device
10/11/2012WO2012137268A1 Time-digital converter and pll frequency synthesizer using same
10/11/2012US20120257701 System and Method for Reducing Lock Acquisition Time of a Phase-Locked Loop
10/11/2012US20120257463 Driver circuit
10/11/2012US20120256693 Supply-regulated vco architecture
10/11/2012US20120256692 Oscillator
10/11/2012US20120256668 Method for adjusting a time base for a tire pressure measurement unit
10/11/2012US20120256667 Delay locked loop semiconductor apparatus that models a delay of an internal clock path
10/11/2012US20120256666 Delay lock loop system with a self-tracking function and method thereof
10/11/2012US20120256665 Delay lock loop with a charge pump, loop filter, and method of phase locking of a delay lock loop
10/11/2012US20120256664 Power-on-reset circuit with low power consumption
10/11/2012US20120256663 Initialization circuit and bank active circuit using the same
10/11/2012US20120256662 Power-up signal generation circuit
10/10/2012EP2509251A1 A method and a device for controlling frequency synchronization
10/10/2012CN202488439U Multi-mode airborne receiver front-end local oscillate circuit
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