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)
06/2003
06/26/2003US20030119467 Method and apparatus for operating a PLL for synthesizing high-frequency signals for wireless communications
06/26/2003US20030119466 Fully integrated low noise multi-loop synthesizer with fine frequency resolution for HDD read channel and RF wireless local oscillator applications
06/26/2003US20030119465 Method and apparatus for digital frequency synthesis
06/26/2003US20030118349 Optical clock phase-locked loop circuit
06/26/2003US20030118209 Data and clock extractor with improved linearity
06/26/2003US20030118143 Direct modulation architecture for amplitude and phase modulated signals in multi-mode signal transmission
06/26/2003US20030118142 Scalable high-speed precision frequency and phase synthesis
06/26/2003US20030118141 Method for measuring the response of a voltage controlled oscillator
06/26/2003US20030118135 Clock distribution device for multiband modem
06/26/2003US20030117196 Ultrahigh-speed clock extraction circuit
06/26/2003US20030117195 Hybrid phase-locked loop
06/26/2003US20030117194 Delay locked loop circuit with duty cycle correction function
06/26/2003US20030117193 Delay locked loop circuit with improved jitter performance
06/26/2003US20030117192 Apparatus and method for generating output clock signal having controlled timing
06/26/2003US20030117191 Clock synchronization circuit
06/26/2003US20030117190 PLL circuit
06/26/2003US20030117189 Self-calibrating phase locked loop charge pump system and method
06/26/2003US20030117188 Semiconductor device having internal circuit operating in synchronization with internal clock signal
06/26/2003US20030117176 Generic serial port architecture and system
06/25/2003EP1198889B1 Clock signal generator
06/25/2003CN1112747C Atomic frequency scale microwave cavity
06/24/2003US6584591 Timing control for input/output testability
06/24/2003US6584574 Flexible phase-locked loop system to indicate synchronization using difference between internal and external clock signals
06/24/2003US6583675 Apparatus and method for phase lock loop gain control using unit current sources
06/24/2003US6583674 Fractional multimodulus prescaler
06/24/2003US6583655 Clock control circuit
06/24/2003US6583654 Clock synchronization device
06/24/2003US6583653 Method and apparatus for generating a clock signal
06/19/2003WO2003050961A2 Precise synchronization of distributed systems
06/19/2003WO2003050944A1 Phase-locked loop (pll) circuit for selectively correcting clock skew in different modes
06/19/2003WO2003021446A3 High-speed program tracing
06/19/2003US20030115542 System and method for recovering and deserializing a high data rate bit stream
06/19/2003US20030115497 System for maintaining the stability of a programmable frequency multiplier
06/19/2003US20030112915 Lock detector circuit for dejitter phase lock loop (PLL)
06/19/2003US20030112913 Generating a lock signal indicating whether an output clock signal generated by a PLL is in lock with an input reference signal
06/19/2003US20030112909 Apparatus for data recovery in a synchronous chip-to-chip system
06/19/2003US20030112697 Semiconductor device having phase error improved DLL circuit mounted thereon
06/19/2003US20030112079 Pll circuit
06/19/2003US20030112043 PLL circuit and control method for PLL circuit
06/19/2003CA2468269A1 Phase-locked loop (pll) circuit for selectively correcting clock skew in different modes
06/18/2003EP1320195A2 Frequency synthesizer comprising a pretune arrangement
06/18/2003EP1320189A1 Multi-band frequency synthesiser for mobile terminals
06/18/2003EP1097511B1 Slave clock generation system and method for synchronous telecommunications networks
06/18/2003EP1066534B1 Vector network analyser
06/18/2003CN1111957C Wide band phase locked loop circuit using narrow band voltage controlled oscillator
06/18/2003CN1111956C Phase-locked loop circuit
06/18/2003CN1111955C Phase-locked loop circuit
06/17/2003US6581164 System for adjusting clock frequency based upon amount of unread data stored in sequential memory when reading a new line of data within a field of data
06/17/2003US6581082 Reduced gate count differentiator
06/17/2003US6580775 Method of detecting frequency of digital phase locked loop
06/17/2003US6580770 Information regenerating apparatus and information regenerating method
06/17/2003US6580532 Opto-electronic techniques for reducing phase noise in a carrier signal by carrier supression
06/17/2003US6580376 Apparatus and method for decimating a digital input signal
06/17/2003US6580330 Injection locked oscillator automatic frequency centering method and apparatus
06/17/2003US6580329 PLL bandwidth switching
06/17/2003US6580328 Lock detector for phase locked loops
06/17/2003US6580301 Method and apparatus for a clock circuit
06/17/2003US6580299 Digital circuit for, and a method of, synthesizing an input signal
06/17/2003US6580297 Frequency comparison circuit
06/12/2003WO2003049292A2 Single-chip digital phase frequency synthesiser
06/12/2003WO2003049287A1 Method and apparatus for determining system response characteristics
06/12/2003WO2003049277A2 Non-linear phase detector
06/12/2003US20030110407 Microcomputer having built-in phase locked loop circuit synchronized with external clock and detecting an interruption of the external clock by utilizing continuous outputs of the PLL circuit
06/12/2003US20030109237 Method and apparatus for fractional-N synthesis
06/12/2003US20030108143 Structure of delta-sigma fractional divider
06/12/2003US20030108141 Clock recovery and detection of rapid phase transients
06/12/2003US20030108139 Register controlled delay locked loop circuit
06/12/2003US20030108138 Phase-locked loop (PLL) circuit for selectively correcting clock skew in different modes
06/12/2003US20030107944 Delayed locked loop implementation in a synchronous dynamic random access memory
06/12/2003US20030107442 All-digital frequency synthesis with capacitive re-introduction of dithered tuning information
06/12/2003US20030107427 Temperature compensation for internal inductor resistance
06/12/2003US20030107420 Differential charge pump
06/12/2003US20030107419 Charge pump circuit for reducing jitter
06/12/2003US20030107418 Dual loop phase lock loops using dual voltage supply regulators
06/12/2003US20030107417 Precise synchronization of distributed systems
06/12/2003DE19938513C2 Vorrichtung und Verfahren zur Synchronisierung schneller analoger Elektronik An apparatus and method for synchronizing faster analog electronics
06/11/2003EP1318627A2 Optical clock phase-locked loop circuit
06/11/2003EP1317800A2 Digital-data receiver synchronization method and apparatus
06/11/2003EP1317796A1 Frequency adjustable oscillator and methods of operation
06/11/2003CN1423450A Digital frequency regulating method capable of anti-creep clock low-frequency
06/10/2003US6577695 Emulating narrow band phase-locked loop behavior on a wide band phase-locked loop
06/10/2003US6577691 Precision timing generator apparatus and associated methods
06/10/2003US6577689 Timing recovery system for a 10 BASE-T/100 BASE-T ethernet physical layer line interface
06/10/2003US6577685 Programmable digital signal processor for demodulating digital television signals
06/10/2003US6577201 Precision oven-controlled crystal oscillator
06/10/2003US6577185 Multi-stage operational amplifier for interstage amplification in a pipeline analog-to-digital converter
06/10/2003US6577181 Clock signal generating circuit using variable delay circuit
06/10/2003US6577175 Method for generating internal clock of semiconductor memory device and circuit thereof
06/10/2003US6577174 Phase lock loop system and method
06/07/2003CA2364506A1 Integrated timing systems and circuits
06/05/2003WO2003047109A2 Bit-detection arrangement and apparatus for reproducing information
06/05/2003WO2003047107A2 Core sync module
06/05/2003WO2002063772A3 Sigma-delta programming device for a pll-frequency synthesizer
06/05/2003US20030103591 Phase locked loop circuit and clock reproduction circuit
06/05/2003US20030102928 Non-linear phase detector
06/05/2003US20030102926 Duty cycle correction circuit for use with frequency synthesizer
06/05/2003US20030102925 Frequency synthesizer
06/05/2003US20030102895 Low pass filters in DLL circuits
06/05/2003US20030102892 Self calibrating register for source synchronoous clocking systems
06/05/2003US20030102498 RF circuits including transistors having strained material layers
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