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)
12/2007
12/26/2007EP1871009A1 PLL oscillation circuit
12/26/2007CN200997594Y High-frequency comprehensive device
12/26/2007CN101093996A Method of frequency search for dco and decoder using the same
12/26/2007CN101093995A Pll oscillation circuit
12/26/2007CN101093994A Self error-correcting high speed scalar frequency divider with large range in integrate circuit chip
12/26/2007CN101093955A Circuit and method for reducing electromagnetic interference
12/25/2007US7313369 Communication semiconductor integrated circuit and radio communication system
12/25/2007US7313211 Method and apparatus for phase detection
12/25/2007US7312670 Voltage controlled oscillator
12/25/2007US7312668 High resolution PWM generator or digitally controlled oscillator
12/25/2007US7312666 PLL circuit configured to distribute its loop control signal to CDR circuits
12/25/2007US7312665 Oscillation control apparatus
12/25/2007US7312664 Methods and apparatuses for testing a voltage-controlled oscillator (VCO) to verify operation across supply voltage and/or temperature
12/25/2007US7312663 Phase-locked loop having a bandwidth related to its input frequency
12/25/2007US7312645 Adaptive transition density data triggered PLL (phase locked loop)
12/25/2007US7312644 Power failure detection circuit with fast drop response
12/21/2007WO2007147132A2 Continuous gain compensation and fast band selection in a multi-standard, multi-frequencey synthesizer
12/21/2007WO2007144023A1 Frequency synthesizer
12/21/2007WO2007143936A1 System, device and method for implementing rubidium clock aging compensation
12/21/2007WO2007084876A3 Systems and methods for reducing static phase error
12/21/2007CA2655463A1 Continuous gain compensation and fast band selection in a multi-standard, multi-frequency synthesizer
12/20/2007US20070293209 Systems for Remotely Maintaining Inventory
12/20/2007US20070291891 System and method for adjusting the phase of a frequency-locked clock
12/20/2007US20070291173 Phase lock loop and digital control oscillator thereof
12/20/2007US20070290930 Variable-Phase Ring-Oscillator Arrays, Architectures, and Related Methods
12/20/2007US20070290727 Apparatus and methods for setting wakeup times in a communication device
12/20/2007DE102006027419A1 Circuit arrangements for digital coarse adjustment of voltage-controlled oscillator and oscillation frequency adjustment of oscillator, has field effect transistors connected to secondary connection with reference potential
12/19/2007EP1867092A1 Data cleaning with an asynchronous reference clock
12/19/2007EP1867049A1 Method for noise reduction in a phase locked loop and a device having noise reduction capabilities
12/19/2007EP1350333B1 Local oscillator leakage control in direct conversion processes
12/19/2007CN200994130Y Phase-lock loop overlaying device
12/19/2007CN200994129Y Switch type phase detector
12/19/2007CN101091316A Vco center frequency tuning and limiting gain variation
12/19/2007CN101090311A Method and system for generating clock output maintenance after GPS failure in radio communication system
12/19/2007CN101090269A Phase locked loop frequency synthesizer and method for modulating the same
12/19/2007CN101090268A Method and system for regulating accuracy of crystal vibration frequency using GPS timing pulse
12/19/2007CN100356694C Phase difference detector and its method
12/19/2007CN100356688C Method and device for generating a clock signal with predetermined clock signal properties
12/19/2007CN100356686C Oscillator using guide circuit to increase responding speed
12/18/2007US7310401 Programmable frequency detector for use with a phase-locked loop
12/18/2007US7310400 Data recovery device and method
12/18/2007US7310025 Oscillator circuit and integrated circuit incorporating the same
12/18/2007US7310022 CPU-based oscillation frequency control circuit eliminating the need for a loop filter
12/18/2007US7310021 Phase-locked loop with tunable-transfer function
12/18/2007US7310020 Self-biased phased-locked loop
12/18/2007US7310009 Phase locked loop circuit having deadlock protection circuit and methods of operating same
12/13/2007WO2007141084A1 Starting procedure for a dc motor without sensors and brushes
12/13/2007WO2007140723A1 A method, device and system to interconnect bearers based on virtual relay
12/13/2007WO2007052247B1 Apparatus and methods for radar imaging based on injected push-push oscillators
12/13/2007US20070285182 Robust phase-lock detector
12/13/2007US20070285178 Phase locked loop for the generation of a plurality of output signals
12/13/2007US20070285177 Switchable phase locked loop and method for the operation of a switchable phase locked loop
12/13/2007US20070285176 Phase-Slipping Phase-Locked Loop
12/13/2007US20070285146 Semiconductor device with pump circuit
12/13/2007US20070285138 Multi-phase delay locked loop with equally-spaced phases over a wide frequency range and method thereof
12/13/2007US20070285137 System and method for power control for asic device
12/13/2007US20070285082 Lock Detecting Circuit, Lock Detecting Method
12/12/2007EP1865603A1 Clock selecting circuit and synthesizer
12/12/2007EP1865599A2 Portable radio terminal and AFC control method
12/12/2007EP1676366B1 A multiband pll arrangement and a method of controlling such arrangement
12/12/2007CN101088222A Apparatus and method of oscillating wideband frequency
12/12/2007CN101087142A 频率合成器 Frequency synthesizer
12/12/2007CN101087141A Idle percent adjustable N-time frequency division circuit of pulse mixing mode
12/12/2007CN100355198C Automatic tuning of VCO
12/11/2007US7308568 Network interface with double date rate and delay locked loop
12/11/2007US7308372 Phase jitter measurement circuit
12/11/2007US7308240 Numerical control oscillator, digital frequency converter and radio frequency unit
12/11/2007US7308066 Clock recovery circuit capable of automatically adjusting frequency range of VCO
12/11/2007US7308065 Delay locked loop circuitry for clock delay adjustment
12/11/2007US7307487 Driver device for a voltage-controlled oscillator
12/11/2007US7307460 Method and apparatus for capacitance multiplication within a phase locked loop
12/11/2007US7307459 Programmable phase-locked loop circuitry for programmable logic device
12/06/2007WO2007137538A1 Clock signal recovery device and method for recovering clock signals
12/06/2007WO2006127106A3 Self-aligning resonator filter circuit and wideband tuner circuit incorporating same
12/06/2007US20070281651 Communication semiconductor integrated circuit device and wireless communication system
12/06/2007US20070280032 Built-in system and method for testing integrated circuit timing parameters
12/06/2007US20070279143 Active antenna oscillator
12/06/2007US20070279135 Phase-locked loop bandwidth calibration
12/06/2007US20070279134 Phase-locked loop circuit and data reproduction apparatus
12/06/2007US20070279114 Controllable current source for a phase locked loop
12/06/2007US20070279113 Dll Circuit
12/06/2007US20070279112 Semiconductor Memory
12/06/2007US20070279111 Dll Circuit
12/06/2007US20070279110 Tuning of a phase-locked loop, and an electronic device
12/06/2007US20070279109 Translational phase locked loop using a quantized interpolated edge timed synthesizer
12/06/2007DE102006024471A1 Umschaltbarer Phasenregelkreis sowie Verfahren zum Betrieb eines umschaltbaren Phasenregelkreises A switchable phase-locked loop and method of operation of a switchable phase-locked loop
12/06/2007DE102006024470A1 Umschaltbarer Phasenregelkreis sowie Verfahren zum Betrieb eines umschaltbaren Phasenregelkreises A switchable phase-locked loop and method of operation of a switchable phase-locked loop
12/05/2007EP1861929A1 Method of operating a phase locked loop and phase locked loop
12/05/2007CN101084626A Mechanism to aid a phase interpolator in recovering a clock signal
12/05/2007CN101084624A Vco gain tuning using voltage measurements and frequency iteration
12/05/2007CN101083523A Method for realizing integrated time stamp clock synchronous phase-locked loop
12/05/2007CN101083121A Pll circuit and recorded information playback apparatus
12/05/2007CN100353673C Lock phare cycle frequency synthesizer
12/05/2007CN100353672C Pll电路 Pll circuit
12/05/2007CN100353671C Clock synthesizing method and system
12/05/2007CN100353670C differential electric charge pump
12/05/2007CN100353669C Virtual signal generator for generating square wave by remainder interpolation comparision
12/04/2007US7305060 Spread range control apparatus
12/04/2007US7304547 Method and apparatus to improve frequency stability of an integrated circuit oscillator
12/04/2007US7304546 Control loop filter
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