Patents for H03L 7 - Automatic control of frequency or phase; Synchronisation (37,643)
10/2002
10/31/2002US20020158677 Circuit for synchronizing signals during the exchange of information between circuits
10/31/2002US20020158671 Fast locking phase frequency detector
10/31/2002US20020158662 Power saving circuitry using predictive logic
10/31/2002US20020158621 Phase-locked loop with dual-mode phase/frequency detection
10/30/2002EP1253719A1 Method for filtering used in a digital phase locked loop
10/30/2002EP1252713A1 Pll frequency synthesizer using controlled divider pulse widths
10/30/2002EP1252707A1 Multifunction high frequency integrated circuit structure
10/30/2002EP1171954A4 Improvements relating to frequency synthesisers
10/30/2002CN1377521A PLL loop filter with switched-capacitor resistor
10/30/2002CN1377519A Method and apparatus for automatically compensating spread spectrum clock generator
10/30/2002CN1377140A Method for improving switching performance of phase-locked loop's reference signal
10/30/2002CN1093703C Equipment for controlling clock signal switching phase transient and method
10/29/2002US6473485 Charge pump leakage current compensation systems and methods
10/29/2002US6473478 Digital phase-locked loop with phase optimal frequency estimation
10/29/2002US6473316 Phase control circuit and switching regulator
10/29/2002US6472943 Oscillating circuit and method for calibrating same
10/29/2002US6472921 Delivering a fine delay stage for a delay locked loop
10/29/2002US6472915 Method for charge pump tri-state and power down/up sequence without disturbing the output filter
10/29/2002US6472914 Process independent ultralow charge pump
10/29/2002US6472904 Double data rate input and output in a programmable logic device
10/24/2002WO2002084878A1 Ring oscillator, detector, receiver and device for reproducing an information carrier
10/24/2002WO2002084858A1 Tunable voltage-controlled temperature-compensated crystal oscillator
10/24/2002WO2002084857A1 Tunable voltage controlled oscillator
10/24/2002WO2002084798A1 Inverted-f ferroelectric antenna
10/24/2002WO2002084781A1 Tunable multiplexer
10/24/2002WO2002084778A2 Tunable phase shifter and applications for same
10/24/2002WO2002084686A1 Band switchable filter
10/24/2002WO2002084685A1 Tunable ferro-electric filter
10/24/2002WO2002084684A2 Tunable planar capacitor
10/24/2002WO2002084464A2 Stretching, shortening, and/or removing a clock cycle
10/24/2002WO2002084310A1 Low-loss tunable ferro-electric device and method of characterization
10/24/2002WO2002059706A3 Programmable current mirror
10/24/2002WO2001058006A9 Multifunction high frequency integrated circuit structure
10/24/2002US20020157065 Clock synchronizing circuit and method of designing the same
10/24/2002US20020157031 Capture clock generator using master and slave delay locked loops
10/24/2002US20020154723 Oversampling clock recovery having a high follow-up character using a few clock signals
10/24/2002US20020154722 Phase detector customized for clock synthesis unit
10/24/2002US20020154721 Method and apparatus for generating a phase dependent control signal
10/24/2002US20020154718 Source synchronous receiver link initialization and input floating control by clock detection and DLL lock detection
10/24/2002US20020153960 PLL circuit
10/24/2002US20020153959 Phase-locked loop
10/24/2002US20020153933 Semiconductor device using complementary clock and signal input state detection circuit used for the same
10/24/2002US20020153929 Delay locked loop for controlling phase increase or decrease and phase control method thereof
10/24/2002US20020153476 Data decision circuit using clock signal which has phase optimized with respect to phase of input data signal
10/24/2002DE19929178C2 Phasenregelkreissystem Phase locked loop system
10/24/2002DE10159878A1 Ein Hochleistungs-Mikrowellensynthesizer unter Verwendung eines Mehrfachmodulator-Bruchzahl-n-Teilers A high power microwave synthesizer using a multiple modulator fractional-N divider
10/23/2002EP1250761A1 Digital divider as a local oscillator for frequency synthesis
10/23/2002EP1250760A1 Bias disconnection for power saving in pll
10/23/2002EP1250756A2 Method and apparatus for changing characteristics of device
10/23/2002EP1250638A2 System and method for compensating for supply voltage induced signal delay mismatches
10/23/2002EP1000364B1 Low cost cmos tester with high channel density
10/23/2002CN1376334A Circuit arrangmeent for generating a clock-pulse signal having a frequency synchronous with a reference clock-pulse signal
10/22/2002US6470191 Switchable up-conversion loop for a transmitting stage of a mobile phone
10/22/2002US6470060 Method and apparatus for generating a phase dependent control signal
10/22/2002US6469584 Phase-locked loop system and method using an auto-ranging, frequency sweep window voltage controlled oscillator
10/22/2002US6469583 PLL control circuit for digital oscillation frequency control and control method adopted in the same
10/22/2002US6469559 System and method for eliminating pulse width variations in digital delay lines
10/22/2002US6469555 Apparatus and method for generating multiple clock signals from a single loop circuit
10/22/2002US6469554 Charge pump
10/22/2002US6469553 Phase-locked loop circuitry for programmable logic devices
10/22/2002US6469550 Parallel phase locked loops skew measure and dynamic skew and jitter error compensation method and apparatus
10/22/2002US6467351 Apparatus for tracking resonant frequency
10/22/2002CA2083083C Programmable phase locked loop circuit and method of programming same
10/19/2002CA2344787A1 A phase detector customized for clock synthesis unit
10/17/2002WO2002082656A2 High frequency vcxo structure
10/17/2002WO2002082652A2 System and method for multiple-phase clock generation
10/17/2002WO2002027938A3 High resolution, low jitter frequency synthesizer
10/17/2002US20020151291 Antenna interface unit
10/17/2002US20020151279 Tunable low noise amplifier
10/17/2002US20020150192 Data recovery device and method
10/17/2002US20020150191 High resolution phase frequency detectors
10/17/2002US20020150146 Frequency hop pilot technique for a control system that reduces distortion produced by electrical circuits
10/17/2002US20020149535 Tunable antenna matching circuit
10/17/2002US20020149533 Tunable horn antenna
10/17/2002US20020149526 Inverted-F ferroelectric antenna
10/17/2002US20020149503 Phase-locked oscillator with improved digital integrator
10/17/2002US20020149448 Low-loss tunable ferro-electric device and method of characterization
10/17/2002US20020149444 Tunable planar capacitor
10/17/2002US20020149443 Tunable voltage controlled oscillator
10/17/2002US20020149439 Tunable isolator
10/17/2002US20020149436 Voltage controlled oscillator and phase-locked oscillator using the same
10/17/2002US20020149435 System and method for programming oscillators
10/17/2002US20020149434 Tunable voltage-controlled temperature-compensated crystal oscillator
10/17/2002US20020149433 High-speed, high PSRR, wide operating range voltage controlled oscillator
10/17/2002US20020149432 Voltage to current converter
10/17/2002US20020149430 Method and device for frequency synthesis using a phase locked loop
10/17/2002US20020149429 PLL bandwidth switching
10/17/2002US20020149428 Tunable power amplifier matching circuit
10/17/2002US20020149411 Stretching, shortening, and/or removing a clock cycle
10/17/2002US20020149407 Low power, charge injection compensated charge pump
10/17/2002US20020149406 Timing adjusting circuit
10/17/2002US20020149398 High bandwidth, high PSRR, low dropout voltage regulator
10/17/2002US20020149087 Semiconductor filter system and signal frequency control method
10/17/2002DE10015187C2 Ein einer Phasenverschiebung widerstehender, in der Frequenz veränderbarer Taktgenerator A phase shift resisting, in the variable frequency clock generator
10/17/2002CA2442851A1 High frequency vcxo structure
10/17/2002CA2441967A1 System and method for multiple-phase clock generation
10/16/2002EP1249971A2 Network Interface Using Programmable Delay and Frequency Doubler
10/16/2002EP1249937A1 Ring oscillator, detector, receiver and device for reproducing an information carrier
10/16/2002EP1249936A2 Lock detection circuit
10/16/2002CN2517178Y Fractional frequency division output phase compensation device