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)
10/2014
10/09/2014US20140300422 High output power amplifier
10/09/2014US20140300421 Power Amplifier Circuit Based on a Cascode Structure
10/09/2014US20140300420 Analog feedback amplifier
10/09/2014US20140300419 Bias circuit and amplifier
10/09/2014US20140300416 Operational amplifier circuit
10/09/2014US20140300415 Input common mode control using a dedicated comparator for sensor interfaces
10/09/2014US20140300414 Operational amplifier circuit
10/09/2014US20140300413 Power transistor gate driver
10/09/2014US20140300403 Signal processing device
10/09/2014US20140300334 Apparatus and methods for voltage converter bypass circuits
10/08/2014EP2787636A2 Power transmitting apparatus, control method, and computer readable storage medium
10/08/2014EP2786485A1 Guitar amplifier
10/07/2014US8855758 Apparatus and method for obtaining EEG data
10/07/2014US8855590 Radio frequency signal receiving device
10/07/2014US8855584 Matching network for transmission circuitry
10/07/2014US8855559 Forward link signaling within a wireless power system
10/07/2014US8855336 System and method for biasing active devices
10/07/2014US8855335 Distortion suppression in high-level capable audio amplification circuit
10/07/2014US8855234 Method and system for baseband predistortion linearization in multi-channel wideband communications systems
10/07/2014US8855232 Transmission apparatus and transmission method
10/07/2014US8854144 High voltage amplifiers and methods
10/07/2014US8854143 Bias circuit
10/07/2014US8854142 Bias circuit and power amplifier having the same
10/07/2014US8854141 RF amplifier module, integrated circuit device, wireless communication unit and method therefor
10/07/2014US8854140 Current mirror with saturated semiconductor resistor
10/07/2014US8854139 Regulated cascode current mirror scheme for transconductance amplifiers
10/07/2014US8854138 Buffer amplifier
10/07/2014US8854137 Apparatus and circuit for amplifying baseband signal
10/07/2014US8854136 Fully differential operational amplifier with common-mode feedback circuit
10/07/2014US8854135 Operational amplifier with elimination of offset voltage
10/07/2014US8854134 Chip card
10/07/2014US8854133 Incremental gain amplifier
10/07/2014US8854132 Amplifier circuit
10/07/2014US8854131 Active transducer probes and circuits
10/07/2014US8854126 Semiconductor device and offset voltage correcting method
10/07/2014US8854125 Linear amplifier that perform level shift and method of level shifting
10/07/2014US8854084 Sense amplifier and electronic apparatus using the same
10/07/2014US8854083 Sensing amplifier using capacitive coupling to realize dynamic reference voltage
10/07/2014US8853860 Method and apparatus for reduced parasitics and improved multi-finger transistor thermal impedance
10/02/2014WO2014160841A1 Power amplifier signal compensation
10/02/2014WO2014160191A1 Power supply
10/02/2014WO2014158583A1 Low power consumption adaptive power amplifier
10/02/2014WO2014156478A1 Apparatus for matching impedance in radio frequency amplifier
10/02/2014WO2014156336A1 Light reception circuit
10/02/2014WO2014156180A1 Signal output circuit
10/02/2014WO2014156101A1 Polarity-switching amplifier circuit
10/02/2014WO2014155501A1 Power amplifying device and power amplifying method
10/02/2014WO2014155029A1 Energy-efficient mode-switch power amplifier set
10/02/2014US20140295781 Power amplifier and communication device
10/02/2014US20140294206 Asymmetrically-switched modulation scheme
10/02/2014US20140294204 Audio amplifier mode transition
10/02/2014US20140292414 Multipath power amplifier device with low power path isolation
10/02/2014US20140292411 High performance class ab operational amplifier
10/02/2014US20140292410 Folded cascode amplifier circuit
10/02/2014US20140292409 Amplification circuit, source driver, electrooptical device, and electronic device
10/02/2014US20140292408 Radio-Frequency Power Amplifier
10/02/2014US20140292407 Transformer Structures For A Power Amplifier (PA)
10/02/2014US20140292404 Radio-frequency device calibration
10/02/2014US20140291740 Perforated Channel Field Effect Transistor
10/02/2014US20140291489 Method And System For A Feedback Transimpedance Amplifier With Sub-40KHZ Low-Frequency Cutoff
10/02/2014DE102014103770A1 Optischer Differenzverstärker für Avalanche-Photodioden und SiPM Optical differential amplifier for avalanche photodiodes and SiPM
10/02/2014DE102014103765A1 Optischer Empfänger mit kurzer Erholzeit Optical receiver with a short recovery time
10/02/2014DE102013205420A1 Hochfrequenzleistungsverstärker High frequency power amplifier
10/01/2014EP2784936A1 Circulator power amplifier circuit and design method therefor
10/01/2014EP2784935A2 Amplifier bias techniques
10/01/2014EP2784933A1 Switching circuit and envelope signal amplifier
10/01/2014EP2783368A1 Voltage sensing circuit with reduced susceptibility to gain drift
09/2014
09/30/2014US8849187 Radio frequency amplifier noise reduction system
09/30/2014US8848947 Low-noise microphone pre-amplifier with active load element
09/30/2014US8848945 Audio amplifier with closed-loop power
09/30/2014US8848829 Circuit and transmitter for reducing transmitter gain asymmetry variation
09/30/2014US8848828 Distortion compensation circuit, transmitting apparatus and distortion compensating method
09/30/2014US8848824 High efficiency RF system linearizer using controlled complex nonlinear distortion generators
09/30/2014US8848394 Radio frequency circuit with impedance matching
09/30/2014US8848331 Protection device, complementary protection device, signal output device, latch-up preventing method, and computer-readable medium
09/30/2014US8847689 Stacked amplifier with diode-based biasing
09/30/2014US8847688 Over-voltage protection in a high-swing amplifier
09/30/2014US8847687 Multi-path broadband amplifier
09/30/2014US8847686 Electronic system, RF power amplifier and temperature compensation method thereof
09/30/2014US8847685 Push-pull amplifier and differential push-pull amplifier
09/30/2014US8847684 Analog circuits having improved transistors, and methods therefor
09/30/2014US8847683 Differential amplifying circuit
09/30/2014US8847682 Attenuating noise and cross-talk in an audio system by offsetting outputs in phase
09/30/2014US8847681 Combiner for Doherty amplifier
09/30/2014US8847680 Enhanced doherty amplifier with asymmetrical semiconductors
09/25/2014WO2014152402A2 Buffer amplifier circuit
09/25/2014WO2014151777A1 Envelope tracking system with internal power amplifier characterization
09/25/2014WO2014151302A1 Hardware-efficient compensator for outphasing power amplifiers
09/25/2014WO2014150838A1 Techniques to reduce harmonic distortions of impedance attenuators for low-power wideband high-resoluton dacs
09/25/2014WO2014150333A1 Split amplifiers with improved linearity
09/25/2014WO2014150273A1 Adapative power amplifier
09/25/2014WO2014149980A1 Control of spectral agressors in a physiological signal monitoring device
09/25/2014WO2014149358A1 Interleaved multipath digital power amplification
09/25/2014WO2014147732A1 Amplification device
09/25/2014WO2014147167A1 Amplifier topology for envelope tracking
09/25/2014US20140285269 High Efficiency Amplification
09/25/2014US20140285267 Power amplifier saturation detection
09/25/2014US20140285265 Electronic Biasing Circuit for Constant Transconductance
09/25/2014US20140285263 Power Supply with Tickle Pulse Injection
09/25/2014US20140285261 Controlled power boost for envelope tracker
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