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)
10/2005
10/06/2005US20050218955 Adaptive frequency clock generation system
10/06/2005US20050218947 PLL frequency synthesizer circuit and frequency tuning method thereof
10/06/2005US20050218753 Acoustic resonator and filter
10/05/2005EP1583241A1 Phase locked loop frequency synthesizer
10/05/2005EP1583223A1 Oscillator with quadrature output in a cross-coupled configuration
10/05/2005EP1583222A1 Varactor-based ring oscillator
10/05/2005EP1583221A1 PLL frequency synthesizer circuit and frequency tuning method thereof
10/05/2005EP1583220A1 An oscillating circuit having a noise reduction circuit
10/05/2005CN1679240A Oscillator circuit
10/05/2005CN1677867A PLL frequency synthesizer circuit and frequency tuning method thereof
10/05/2005CN1677842A Acoustic resonator and filter
10/05/2005CN1677841A Oscillator with quadrature output in a cross-coupled configuration
10/05/2005CN1677840A Varactor-based ring oscillator
10/05/2005CN1677839A Oscillator with tunable diffusion capacitance as resonant circuit capacitance
10/05/2005CN1677838A Oscillating circuit having a noise reduction circuit
10/04/2005US6952141 VCO control circuit and method of operation
10/04/2005US6952140 Ocillator and electronic device using same
09/2005
09/29/2005US20050212614 Programmable capacitor bank for a voltage controlled oscillator
09/29/2005US20050212612 Tunable filter and portable telephone
09/29/2005US20050212611 Feedback loop for LC VCO
09/29/2005US20050212610 Lc oscillator
09/29/2005US20050212609 Dual differential LC voltage-controlled oscillator
09/29/2005US20050212608 Phase adjusting circuit and oscillator including the same
09/29/2005US20050212604 Programmable radio transceiver
09/29/2005US20050212585 System and method for biasing electrical circuits
09/28/2005EP1580892A2 Crystal oscillating device with temperature compensation function, and method of adjusting the crystal oscillation device
09/28/2005EP1580891A2 Function generator
09/28/2005EP1579565A1 Hyperfrequency oscillator with very high stability
09/28/2005CN1675841A Method and device for injection locking of voltage controlled oscillators using direct digital tuning
09/28/2005CN1675829A Voltage control oscillator having modulation function
09/28/2005CN1675823A Controllable SAW oscillator component
09/28/2005CN1675822A Wideband VCO resonant circuit method and apparatus
09/28/2005CN1675610A Clock generator for integrated circuit
09/28/2005CN1221136C Low-noise frequency changer and receiving device using the low-noise frequency changer
09/28/2005CN1221036C Multi-terminal MOS varactor
09/27/2005US6950639 Local oscillator for generating an HF signal for direct mixing by using avalanche photodiodes
09/27/2005US6949983 High-frequency piezoelectric oscillator
09/27/2005US6949982 Voltage controlled oscillators incorporating parascan R varactors
09/27/2005US6949811 Device having interdigital capacitor
09/22/2005US20050206465 Voltage control oscillator
09/22/2005US20050206464 Transconductance and current modulation for resonant frequency control and selection
09/22/2005US20050206462 Monolithic clock generator and timing/frequency reference
09/22/2005US20050206460 Circuit with variable capacitance and method for operating a circuit with variable capacitance
09/22/2005US20050206434 Switched capacitor circuit capable of minimizing clock feedthrough effect and having low phase noise and method thereof
09/22/2005US20050206271 Potassium niobate deposited body, method for manufacturing the same, piezoelectric thin film resonator, frequency filter, frequency oscillator, electronic circuit, and electronic apparatus
09/22/2005DE102004008701A1 Circuit having adjustable capacitance for voltage controlled oscillator as for compact discs, has two parallel capacitor units whose capacitance is governed by two separate applied voltages
09/21/2005CN1672319A 压控振荡器 Voltage Controlled Oscillator
09/21/2005CN1672318A Dual mode tuning arrangement
09/21/2005CN1671051A Switched capacitor circuit capable of minimizing clock feedthrough effect and having low phase noise and method thereof
09/21/2005CN1671038A Voltage control oscillator
09/21/2005CN1671037A Symmetrized voltage controlled oscillator system
09/21/2005CN1220326C Temperature-compensated crystal oscillator and method of temperature compensation
09/21/2005CN1220325C Temp.-compensation type crystal oscillator and method for regulating its out-put frequency
09/20/2005US6946924 Low noise voltage controlled oscillator
09/20/2005US6946923 Wide range crystal oscillator
09/20/2005US6946922 Crystal oscillation device and electronic device using the same
09/20/2005US6946921 Method and apparatus for producing high-frequency oscillations
09/20/2005US6946898 System and method for biasing electrical circuits
09/20/2005CA2328813C High-frequency oscillation circuit
09/15/2005WO2005086342A1 Interpolative varactor voltage controlled oscillator with constant modulation sensitivity
09/15/2005DE102005006543A1 Variable capacitor modulator used in directly modulated voltage controlled oscillators, includes switched trim capacitor connected between ground and nodes of varactor block already connected to tank circuit
09/15/2005DE102004005667A1 Integrierter Halbleiterspeicher mit temperaturabhängiger Spannungserzeugung Integrated semiconductor memory with temperature-dependent voltage generating
09/14/2005EP1573895A1 An oscillator circuit for generating a high-frequency electromagnetic oscillation
09/14/2005EP1573894A2 Driving of an array of micro-electro-mechanical-system (mems) elements
09/14/2005CN1669222A Lc oscillator with wide tuning range and low phase noise
09/14/2005CN1669221A Ring oscillator with frequency stabilization
09/14/2005CN1669098A 多抽头线圈 Multi-tap winding
09/14/2005CN1667943A Function generating circuit and temperature characteristic controlling method for function generating circuit
09/13/2005US6944432 Crystal-less oscillator transceiver
09/13/2005US6943638 Voltage controlled oscillator and electronic system using the same
09/13/2005US6943637 Voltage controlled oscillator circuit for a low power electronic device
09/13/2005US6943636 Oscillator for SERDES
09/13/2005US6943635 Optimum RF VCO structure
09/09/2005WO2005083880A1 Improvement of the coarse tuning time in pll with lc oscillator
09/09/2005WO2005071842A3 Frequency and/or phase compensated microelectromechanical oscillator
09/09/2005CA2555468A1 Improvement of the coarse tuning time in pll with lc oscillator
09/08/2005US20050195043 Piezoelectric oscillator for quadrature modulation
09/08/2005DE102004008706A1 Voltage controlled oscillator circuit has an inductance and a serial capacitance arrangement with partial capacitances connected in parallel, with each capacitance being dependent on the value of an applied pre-voltage
09/08/2005DE102004006311A1 Digital gesteuerte Oszillatorschaltung Digitally controlled oscillator circuit
09/08/2005DE102004005547A1 Anordnung mit zu- und abschaltbarer Kapazität und Verfahren zum Zu- und Abschalten einer Kapazität Arrangement with switched on and off capacity and method for connecting and disconnecting a capacity
09/07/2005EP1570570A1 Binary transmitting station with direct modulation of the oscillator
09/07/2005EP1570569A1 Current-controlled oscillator
09/07/2005CN2724294Y Oscillation circuit
09/07/2005CN1666406A Arrangement for low power clock generation
09/07/2005CN1665129A Piezoelectricity libration plate, piezoelectric vibrator and piezoelectric oscillator
09/07/2005CN1218473C 多功能高频集成电路结构 Multifunction high frequency integrated circuit structure
09/07/2005CN1218395C Improved integrated oscillators and tuning circuits
09/06/2005US6941336 Programmable analog system architecture
09/06/2005US6940357 Bipolar transistor, for voltage controlled oscillator using a capacitance adjustment line
09/06/2005US6940355 Circular geometry oscillators
09/01/2005US20050190022 Arrangement with a capacitor which can be connected into a circuit and disconnected therefrom and associated method
09/01/2005US20050190004 System and method for tuning output drivers using voltage controlled oscillator capacitor settings
09/01/2005US20050190003 Interpolative varactor voltage controlled oscillator with constant modulation sensitivity
09/01/2005US20050190002 Voltage-controlled oscillator, radio communication apparatus and voltage-controlled oscillation method
09/01/2005US20050189999 Integrated electronic circuit comprising a tunable resonator
09/01/2005US20050189998 Integrable phase-locked loop including an acoustic resonator
09/01/2005US20050189997 Integrable amplitude-locked loop including an acoustic resonator
08/2005
08/31/2005EP1569338A1 Voltage controlled oscillator
08/31/2005EP1569328A1 Temperature correction device and voltage control oscillation device
08/31/2005EP1569061A1 Constant-voltage generation circuit, semiconductor device, electronic equipment and timepiece
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