Patents
Sitemap › H03 - Basic electronic circuitry › H03B - Generation of oscillations, directly or by frequency-changing, by circuits employing active elements which operate in a non-switching manner; Generation of noise by such circuits › H03B 5 - Generation of oscillations using amplifier with regenerative feedback from output to input
Patents for H03B 5 - Generation of oscillations using amplifier with regenerative feedback from output to input (11,466)
11/2008
11/26/2008CN101312338A Resonator, oscillator, and communication apparatus
11/26/2008CN100438519C RF modem utilizing SAW device and pulse shaping
11/26/2008CN100438325C Sectional cross-coupling MOS tube for design of analog integrated circuit
11/26/2008CN100438324C LC oscillator
11/25/2008US7456699 Frequency controller for a monolithic clock generator and timing/frequency reference
11/25/2008US7456698 Mechanical self-reciprocating oscillator and mechanism and a method for establishing and maintaining regular back and forth movement of a micromachined device without the aid of any electronic components
11/25/2008US7456697 Variable degeneration impedance supply circuit using switch and electronic circuits using the same
11/25/2008US7456552 Piezo-electric oscillator and method of manufacturing the same
11/20/2008WO2008140909A1 Lc-type vco
11/20/2008US20080287073 Clock generation circuit and semiconductor device provided therewith
11/20/2008US20080284919 Fully integrated tuner architecture
11/20/2008US20080284535 Two-level mounting board and crystal oscillator using the same
11/20/2008US20080284534 Oscillator
11/20/2008US20080284533 Electrical oscillator circuit and an integrated circuit
11/19/2008EP1993199A2 Oscillator with magnetic coupling
11/19/2008CN201153247Y Time clock source stabilizing apparatus
11/18/2008US7453324 Frequency and/or phase compensated microelectromechanical oscillator
11/13/2008WO2008136340A1 Surface mounting crystal oscillator
11/13/2008US20080278251 Noise removal circuit
11/12/2008EP1990911A1 Crystal oscillator device capable of maintaining constant temperature condition
11/12/2008EP1481469B1 Circuit system for generating a reference current and oscillator circuit comprising said circuit system
11/12/2008CN201150048Y Autoexcitation multi-frequency generator
11/12/2008CN101305514A Temperature compensation oscillator and method for manufacturing the same
11/12/2008CN101305440A Oscillatory circuit of tunable filter with minimize phase noise
11/12/2008CN100433541C Apparatus and method for frequency signal starting
11/12/2008CN100433185C Self refresh oscillator
11/11/2008US7450921 Communication semiconductor integrated circuit device for use in a mobile communication device for correcting variations in the oscillation frequency of a transmission oscillator by calibrating a current of the charge pump
11/11/2008US7450058 Radar oscillator capable of preventing leak of oscillation output
11/11/2008US7449973 Semiconductor circuit for reducing flicker noise
11/11/2008US7449970 Frequency tuning circuits and voltage-controlled oscillator including the same
11/11/2008US7449969 Printed circuit board
11/11/2008US7449968 Frequency and temperature compensation synthesis for a MEMS resonator
11/11/2008US7449964 System and method for tuning output drivers using voltage controlled oscillator capacitor settings
11/11/2008US7449963 Apparatus and method for phase lock gain control using unit current sources
11/11/2008US7449871 System for setting an electrical circuit parameter at a predetermined value
11/06/2008WO2008102286A3 Varactorless tunable oscillator
11/06/2008WO2008085597A3 Method and apparatus to facilitate the provision and use of a plurality of varactors with a plurality of switches
11/06/2008US20080272852 Low-Voltage Mems Oscillator
11/05/2008EP1988628A1 LC voltage controlled oscillator with tunable capacitance unit
11/05/2008EP1662652B1 Piezo-oscillator
11/05/2008CN101300734A Method and system for dynamically calculating values for tuning of voltage-controlled crystal oscillators
11/05/2008CN101298213A Analog excitation response characteristics method and circuit for ink jet printer
11/05/2008CN100431259C Dual mode tuning arrangement
11/05/2008CN100431258C Power supply ripple rejection in tuner oscillator stage
11/04/2008US7446620 Microelectromechanical oscillator having temperature measurement system, and method of operating same
11/04/2008US7446619 Temperature measurement system having a plurality of microelectromechanical resonators and method of operating same
11/04/2008US7446617 Low power consumption frequency divider circuit
10/2008
10/30/2008WO2008131187A1 Improved colpitts oscillator
10/30/2008WO2008128907A1 Low power 32 khz oscillator
10/30/2008US20080266013 Voltage Controlled Oscillator
10/30/2008US20080266010 Semiconductor device and driving method thereof
10/30/2008US20080266009 Ultra-low power crystal oscillator
10/30/2008US20080266007 Oscillating apparatus having current compensating device for providing compensating current to compensate for current reduction of transconductive device and method thereof
10/30/2008US20080266005 Automatically Tuned Tail Filter
10/30/2008US20080266003 Surface-mounted piezoelectric oscillators and piezoelectric vibrators
10/29/2008CN201142669Y High-frequency oscillating circuit of high-frequency heat seal machine capable of restraining radiation disturbance
10/29/2008CN101295962A Oscillating apparatus and phase noise method for reducing oscillating signal of oscillating device
10/29/2008CN101295961A Temperature compensation type oscillator capable of remaining constant temperature
10/29/2008CN101293428A Method and circuit for simulation of response characteristic applied to ink jet printer
10/28/2008US7443258 Oscillator system having a plurality of microelectromechanical resonators and method of designing, controlling or operating same
10/28/2008US7443248 Apparatus and method for phase lock loop gain control using unit current sources
10/28/2008US7441316 Method for manufacturing electronic apparatus
10/23/2008WO2008126160A1 Oscillator and semiconductor device
10/23/2008WO2008033681A3 Microelectromechanical oscillator with intermittent drive
10/23/2008US20080258830 Ic for control of temperature-compensated crystal oscillator
10/23/2008US20080258829 Integrated quartz oscillator on an active electronic susbtrate
10/23/2008US20080258828 Colpitts Oscillator
10/23/2008US20080258827 Radio frequency voltage controlled oscillators
10/23/2008US20080258826 Low Voltage Operational Transconductance Amplifier Circuits
10/23/2008US20080258824 Multi-speed ring oscillator
10/22/2008EP1982410A1 Oscillator gain equalization
10/22/2008CN101291134A Radio frequency voltage control oscillator and its design method
10/21/2008US7439820 Reducing the settling time of a crystal oscillator
10/21/2008US7439819 Piezoelectric-oscillator
10/16/2008WO2008123886A1 Oscillator and method of starting oscillation
10/16/2008WO2008123623A1 Oscillator
10/16/2008WO2008123016A1 Local oscillator, reception device and electronic device using the same
10/16/2008US20080252390 Crystal oscillator circuit
10/16/2008US20080252389 Sine wave oscillator having a self-startup circuit
10/16/2008US20080252365 Apparatus and method for tuning center frequency of a filter
10/15/2008EP1981168A1 Oscillator and method of starting oscillation
10/15/2008EP1981087A2 Electrical device comprising a voltage dependant capacitance and method of manufacturing the same
10/15/2008EP1980016A2 Oscillator based on piezoresistive resonators
10/15/2008CN101288230A Linear variable voltage diode capacitor and adaptive matching networks
10/15/2008CN101286729A Tuning fork flexural crystal vibration device, crystal vibrator, and crystal oscillator
10/14/2008US7436266 LC quadrature VCO having startup circuit
10/09/2008WO2008121857A1 Wave reversing system and method for a rotary traveling wave oscillator
10/09/2008DE102007016522A1 Quarzoszillator-Schaltkreis Crystal oscillator circuit
10/08/2008CN201130927Y Clock circuit and electronic device having the same
10/08/2008CN101282105A Method for calibrating crystal of PHS mobile phone
10/07/2008US7432772 Electrical oscillator circuit and an integrated circuit
10/07/2008US7432769 Oscillator circuit
10/07/2008US7432768 Voltage controlled digital analog oscillator and frequency synthesizer using the same
10/02/2008WO2008118383A1 Electro-mechanical oscillating devices and associated methods
10/02/2008US20080238566 High frequency oscillator circuit with feedback circuit of fet and short-stub transmission line
10/02/2008US20080238561 Piezoelectric oscillator
10/02/2008US20080238559 Voltage controlled oscillator
10/02/2008US20080238557 Tuning fork flexural crystal vibration device, crystal vibrator, and crystal oscillator
10/02/2008US20080238505 System and method for an automatic coarse tuning of a voltage controlled oscillator in a phase-locked loop (PLL)
10/01/2008CN101278478A Piezoelectric vibrating device
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