Patents
Sitemap › H03 - Basic electronic circuitry › H03F - Amplifiers › H03F 3 - Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
Patents for H03F 3 - Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements (44,008)
11/2010
11/17/2010CN101888213A Push-pull radio-frequency power amplifier with improved linearity and efficiency
11/17/2010CN101888211A Calibration method of RF power amplifier and device
11/17/2010CN101886933A Hall switch circuit with temperature compensation
11/17/2010CN101202537B Low-power variable gain amplifier
11/16/2010US7835097 Preamplifier arranged in proximity of disk drive head
11/16/2010US7834704 Low-noise amplifier circuit and receiving system
11/16/2010US7834703 Amplifier with single-ended input and differential output
11/16/2010US7834702 Efficient power amplifier
11/16/2010US7834701 Bias circuit and semiconductor integrated circuit including the bias circuit
11/16/2010US7834700 Radio frequency power amplifier
11/16/2010US7834699 Audio compensation method and audio apparatus with class AB power amplifier
11/16/2010US7834698 Amplifier with improved linearization
11/16/2010US7834697 Differential low frequency noise suppression technique for a common mode feedback circuit
11/16/2010US7834696 Common mode control circuitry for multi-stage operational amplifiers
11/16/2010US7834695 Differential input amplifier
11/16/2010US7834694 Differential current mirror circuit
11/16/2010US7834693 Amplifying circuit
11/16/2010US7834692 Peak detector with active ripple suppression
11/16/2010US7834691 Broadband low noise amplifier
11/16/2010US7834690 Broadband low noise amplifier
11/16/2010US7834689 MOS operational amplifier with current mirroring gain and method of operation
11/16/2010US7834306 Dark current and lag reduction
11/16/2010CA2470676C Synchronized controlled oscillation modulator
11/11/2010WO2010129065A2 Variable gain amplifier
11/11/2010US20100285770 Wireless communication system
11/11/2010US20100284703 Light receiving circuit and signal processing method
11/11/2010US20100283652 Semiconductor device and differential amplifier circuit therefor
11/11/2010US20100283548 Multi-primary distributed active transformer amplifier power supply and control
11/11/2010US20100283546 distributed low noise amplifier
11/11/2010US20100283545 Multi-path, multi-stage feed-forward operational amplifier circuit
11/11/2010US20100283544 Harmonic processing circuit and amplifying circuit using the same
11/11/2010US20100283543 Variable gain amplifier
11/11/2010US20100283542 Linear transimpedance amplifier with wide dynamic range for high rate applications
11/11/2010US20100283541 Signal level detector with hysteresis characteristic
11/11/2010US20100283538 Frequency offset cartesian feedback system
11/11/2010US20100282947 Method for manufacturing a semiconductor device
11/11/2010US20100282946 Low Noise Pixel Readout Circuit with High Conversion Gain
11/11/2010DE102005025677B9 Empfangsverstärker, insbesondere für Fernsehempfänger und Verwendung des Empfangsverstärkers Receiver amplifier, particularly for television receivers and use of the receiving amplifier
11/10/2010EP2249476A1 Cross current minimisation
11/10/2010EP2248256A1 Lna having a post-distortion mode and a high-gain mode
11/10/2010EP2248255A2 Baseband-derived rf digital predistortion
11/10/2010CN201629720U Low-frequency power amplifier
11/10/2010CN201626096U Ratio-voltage signal polarity inversion control circuit for injection molding machine controller
11/10/2010CN1890876B Gain-variable voltage/current converting circuit having current compensating circuit
11/10/2010CN101884167A Transmitter comprising a pulse width pulse position modulator and method thereof
11/10/2010CN101882917A Boosting xdsl amplifier supply power on-demand
11/10/2010CN101882916A Boost operational amplifier
11/10/2010CN101882915A Push-pull type radio-frequency power amplifier with improved linearity
11/10/2010CN101882914A Efficiency and linearity-enhanced power amplifier
11/10/2010CN101882913A Circuit for improving linearity and power added efficiency of power amplifier
11/10/2010CN101882912A Radio-frequency CASCODE structure power amplifier with improved linearity and power added efficiency
11/10/2010CN101882910A Output matching circuit for improving power added efficiency and linearity of power amplifier
11/10/2010CN101882909A Circuit for implementing voltage-controlled oscillator with dead zone and resonant power supply
11/10/2010CN101399546B D/A conversion unit and circuit
11/10/2010CN101341653B Improved control of switcher regulated power amplifier modules,transmitter and mobile communication device
11/10/2010CN101212204B Power supply device for audio system and the audio system
11/10/2010CN101013882B Differential amplifier and digital-to-analog converter
11/09/2010US7830211 Input inductive network for sample and hold amplifiers in high speed data converters
11/09/2010US7830210 Amplifier device
11/09/2010US7830209 Signal level selected efficiency in a charge pump power supply for a consumer device audio power output stage
11/09/2010US7830208 High-power common-base amplifier employing current source output bias
11/09/2010US7830207 Amplifier circuit
11/04/2010WO2010126907A1 Adaptive digital predistortion of complex modulated waveform using localized peak feedback from the output of a power amplifier
11/04/2010WO2010126440A1 Power amplifier
11/04/2010WO2010125714A1 Power amplifier
11/04/2010WO2010125431A1 Wireless communication device and semiconductor package device having a power amplifier therefor
11/04/2010WO2010125066A1 Cross current minimisation
11/04/2010WO2010090926A3 Power amplifier with reconfigurable direct current coupling
11/04/2010US20100279641 Receiver for wireless communication system
11/04/2010US20100277243 Passive spectrum control for pulsed rf power amplifiers
11/04/2010US20100277242 DC Series-Fed Amplifier Array
11/04/2010US20100277239 Current-mirroring systems and methods
11/04/2010US20100277238 Hybrid Feedback Controlled Oscillation Modulator and Switching Power Amplifier System
11/04/2010US20100277235 Gain Control Methods and Systems in an Amplifier Assembly
11/04/2010US20100277075 Long range proximity and/or motion detector with ambient light detection capabilities
11/04/2010US20100276575 Direct Attach Optical Receiver Module and Method of Testing
11/04/2010US20100276574 Image sensor with global shutter
11/04/2010DE102004055738B4 Signalbearbeitungseinheit und Signalbearbeitungsverfahren Signal processing unit and signal processing method
11/04/2010CA2759686A1 Power amplifier
11/03/2010EP2246977A2 Wideband voltage translators
11/03/2010EP2246976A1 Power amplification device and communication device
11/03/2010EP2245737A1 Differential amplifier with accurate input offset voltage
11/03/2010EP2245736A1 Radio frequency power delivery system
11/03/2010EP2245735A2 System and method of reducing click and pop noise in audio playback devices
11/03/2010EP1788700B1 Method for double sampling loop negative feedback and double sampling negative feedback amplifier
11/03/2010EP1671418B1 Composite power amplifier
11/03/2010CN201623691U Voltage driving device and power amplification system of power amplifier
11/03/2010CN201623690U TDD (Time Division Duplex) radio-frequency amplifier gate voltage control circuit
11/03/2010CN1864116B Method and apparatus for compensating for temperature drift in semiconductor processes and circuitry
11/03/2010CN101877576A Filter circuit and communication equipment provided with same
11/03/2010CN101876834A Tracking power supply device and control method thereof
11/03/2010CN101350599B Method, apparatus and base station for amplifying power
11/03/2010CN101192392B Source electrode driver, electro-optical device, and electronic instrument
11/03/2010CN101056092B High speed amplifier with controllable amplifying coefficient and output impedance, and comparator using the same
11/02/2010US7825735 Dual-range linearized transimpedance amplifier system
11/02/2010US7825731 RF amplifying device
11/02/2010US7825729 Class AB rail-to-rail operational amplifier
11/02/2010US7825728 Variable gain circuit
11/02/2010US7825727 Differential amplifier
11/02/2010US7825726 Digital pulse width modulation for half bridge amplifiers
1 ... 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 ... 441