Patents
Patents for H03F 3 - Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements (44,008)
08/2012
08/09/2012US20120200357 Power amplifier
08/09/2012US20120200355 Digital predistortion of a power amplifier for signals comprising widely spaced carriers
08/09/2012US20120200353 Power amplifier and method of operation thereof
08/09/2012DE102005058464B4 Doherty-Mikrowellenverstärker und Signalverarbeitungsverfahren für diesen Doherty microwave amplifier and signal processing technology for this
08/08/2012EP2485392A1 Amplifying unit, power amplifier and transmitter
08/08/2012EP2485391A1 Power amplifier and method for amplifying signals based on the same
08/08/2012CN202374468U Integrated power amplifier for wireless access point
08/08/2012CN202374226U Layout structure of chips of medium power class D audio amplifiers
08/08/2012CN202374225U Power tube grid driver of class D audio frequency power amplifier
08/08/2012CN202374224U Variable gain self-adaption bias power amplifier based on common-mode feedback
08/08/2012CN202374223U Fully digital audio amplification circuit for household active speakers
08/08/2012CN202374222U Switch power supply combined audio amplifier circuit
08/08/2012CN102629856A Low-voltage differential signal receiver
08/08/2012CN102629855A Noise suppression circuit and control method thereof
08/08/2012CN101951226B Silicon germanide bipolar-complementary metal oxide semiconductor AB power amplifier
08/08/2012CN101944888B Variable gain low-noise driving amplifier
08/08/2012CN101908863B Programmable gain MOS amplifier
08/08/2012CN101826844B Power amplifier and signal amplifying method based on power amplifier
08/08/2012CN101807886B Radio frequency power amplifying device and analog predistortion correction method thereof
08/08/2012CN101689838B Signal conversion circuit and rail-to-rail circuit
08/08/2012CN101459413B Differential amplifier and data driver employing the differential amplifier
08/08/2012CN101351961B High-efficiency composite amplifier
08/08/2012CN101179258B Data receiver circuit, data driver, and display device
08/07/2012US8237693 Operational amplifier, drive circuit, and method for driving liquid crystal display device
08/07/2012US8237620 Reconfigurable radiation densensitivity bracket systems and methods
08/07/2012US8237509 Amplifier with integrated filter
08/07/2012US8237508 Power amplifier
08/07/2012US8237507 Method and system for transmitter linearization
08/07/2012US8237506 Doherty amplifier and method for operation thereof
08/07/2012US8237505 Signal amplification circuit
08/07/2012US8237503 Output stage for a digital RF transmitter, method for providing an RF output signal in a digital RF transmitter, and digital RF transmitter
08/07/2012US8237502 Amplifier with bias stabilizer
08/07/2012US8237501 Power amplifier with transistor input mismatching
08/07/2012US8237498 Doherty amplifier system and transmitter using the same
08/07/2012US8237497 Amplifier for processing differential input using amplifier circuits with different driving capabilities and/or different frequency compensation characteristics
08/07/2012US8237496 Switching amplifier with enhanced supply rejection and related method
08/07/2012US8237495 High efficiency amplifier with reduced electromagnetic interference
08/02/2012WO2012102880A1 Apparatus and method for amplification with high front-end gain in the presence of large dc offsets
08/02/2012WO2012102342A1 Power amplifier circuit, as well as transmission device and communication device using same
08/02/2012WO2012101467A1 Efficient low noise differential amplifier, reutilizing the bias current
08/02/2012WO2012100947A1 Amplification circuit having optimization of power
08/02/2012WO2012100477A1 Radio frequency power amplifier, its packaging method and its generation method
08/02/2012WO2012077931A3 Digital audio amplification device using harmonics and method thereof
08/02/2012US20120194380 Temperature Compensating Device and Satellite Signal Receiving System
08/02/2012US20120194293 Improvement of the selectivity of a dual coupler
08/02/2012US20120194276 Low Noise Amplifiers Including Group III Nitride Based High Electron Mobility Transistors
08/02/2012US20120194275 Distributed Doherty Amplifiers
08/02/2012US20120194273 Differential receiver
08/02/2012US20120194268 Differential voltage sensing method
08/02/2012US20120194267 Distributed amplifier for band pass radio front-end
08/02/2012US20120194222 Memory having a latching sense amplifier resistant to negative bias temperature instability and method therefor
08/02/2012US20120193518 Photoreceptor circuit and photocoupler
08/02/2012DE102010035276B4 Verfahren zur Offsetkompensation eines Switched Capacitor-Verstärkers und Switched Capacitor-Verstärkeranordnung Method for offset compensation of a switched capacitor amplifier and switched capacitor amplifier arrangement
08/02/2012DE102004002007B4 Transistoranordnung mit Temperaturkompensation und Verfahren zur Temperaturkompensation Transistor arrangement with temperature compensation and method for temperature compensation
08/01/2012EP2482450A2 Bias control for reducing amplifier power consumption and maintaining linearity
08/01/2012EP2482449A1 Amplification circuit having optimization of power
08/01/2012EP2482448A1 Doherty amplifier and method of operating a Doherty amplifier
08/01/2012EP2481150A1 Adjustable circuit architecture
08/01/2012CN202364180U Photoelectric signal conversion and operation amplifying circuit
08/01/2012CN202364178U Linearizing device of synthetic aperture radar transmitter
08/01/2012CN202363570U Air micro-strip high isolation radial power synthesis amplifier
08/01/2012CN202363569U Broadband waveguide traveling wave power synthesis amplifier
08/01/2012CN102624344A Power amplifier
08/01/2012CN102624343A Broken line direct-current amplifier
08/01/2012CN102624342A Amplifier
08/01/2012CN102624341A Differential receiver
08/01/2012CN102624340A Output circuit
08/01/2012CN102624337A 2-fold switched capacitor amplifier insensitive to capacitor mismatch and sampling signal common mode
08/01/2012CN102621464A Apparatus and method for providing amplifier linearity information
08/01/2012CN101447766B Single-output operational amplifier be capable of eliminating excursion and method thereof
07/2012
07/31/2012US8233643 System and method for amplifying low level signals provided on electrical supply power
07/31/2012US8232842 Output buffer
07/31/2012US8232828 Analog circuit having improved response time
07/31/2012US8232512 Method and apparatus for integrating a quantity of light
07/26/2012WO2012099891A2 Single die power amplifier with closed loop power control
07/26/2012WO2012099768A1 Self-biasing radio frequency circuitry
07/26/2012WO2012098863A1 High-frequency power amplifier
07/26/2012WO2012098754A1 Output-mode switching amplifier
07/26/2012US20120189139 Semiconductor Integrated Circuit Having a Switched Charge Pump Unit and Operating Method Thereof
07/26/2012US20120188428 Solid-state imaging device and camera system
07/26/2012US20120188214 Transmitter circuit, transmission circuit and driver unit
07/26/2012US20120188031 Programmable high-frequency high-gain equalizer for digital display interfaces
07/26/2012US20120188021 Low 1/f noise high-frequency broadband amplifier (DC-12 GHz)
07/26/2012US20120188020 Linear voltage-controlled current source
07/26/2012US20120188019 Output circuit
07/26/2012US20120188017 Power supply circuit of power amplifier, and terminal
07/26/2012US20120188016 Circuitry for biasing amplifiers
07/26/2012US20120188015 Amplifier
07/26/2012US20120188014 Adaptive signal equalizer with segmented coarse and fine controls
07/26/2012US20120188013 Receiving circuit, semiconductor device including the same, and information processing system
07/26/2012US20120188012 Operational Amplifier Device
07/26/2012US20120188010 High frequency power amplifier
07/26/2012US20120188009 Apparatus and method for amplification with high front-end gain in the presence of large dc offsets
07/25/2012EP2479890A1 Amplifier system for a power converter
07/25/2012EP2479889A1 Amplifier system and method of operating an amplifier system
07/25/2012EP2479888A1 Power supply circuit of power amplifier, and terminal
07/25/2012EP2478637A2 High resolution output driver
07/25/2012EP2478635A2 Power amplifier
07/25/2012EP2478634A1 Method and arrangement in a mobile communications system
07/25/2012EP2478633A1 Method and arrangement in a mobile communication system
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