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)
05/2014
05/01/2014WO2014066424A1 Amplifiers with shunt switches
05/01/2014WO2014066421A1 Amplifiers with noise splitting
05/01/2014WO2014063984A1 Transmitter system having reconfigurable amplifiers
05/01/2014WO2014037926A3 High-frequency drain power supply to decrease power dissipation in class-ab power amplifiers
05/01/2014US20140120856 Radio frequency front-end circuit for receiver and low noise amplifier thereof
05/01/2014US20140119573 System and Method for Capacitive Signal Source Amplifier
05/01/2014US20140118074 Power amplifier controller
05/01/2014US20140118073 Cancellation of dynamic offset in mos resistors
05/01/2014US20140118072 Method and apparatus for multilevel power amplification
05/01/2014US20140118071 Compact Broadband Impedance Transformer
05/01/2014US20140118070 Doherty Amplifier Circuit with Phase-Controlled Load Modulation
05/01/2014US20140118065 Linearization Circuits And Methods For Multilevel Power Amplifier Systems
05/01/2014US20140118063 RF Amplifier Architecture and Related Techniques
05/01/2014US20140118062 Rf channel amplification module with instantaneous power limiting function
05/01/2014US20140117212 Semiconductor device
04/2014
04/30/2014EP2725710A2 RF channel amplification module with a function for instant limitation of power
04/30/2014EP2725709A1 Electronic circuit for automatic gain control with dual slope of an amplifier
04/30/2014EP2725708A1 Switching circuit
04/30/2014EP2724460A1 Envelope tracking system for mimo
04/30/2014DE102013112007A1 System und Verfahren für einen kapazitiven Signalquellenverstärker System and method for a capacitive signal source amplifier
04/30/2014DE102012110310A1 Elektronische Schaltung Electronic circuit
04/30/2014CN203574846U Multifunctional bracket with sound amplifying function
04/30/2014CN203574647U In-phase amplification radio frequency power amplifying apparatus and radio relay station
04/30/2014CN203574613U Single-power-supply-input and double-power-supply-output Wheatstone bridge amplifier
04/30/2014CN203574612U Combined multi-channel power amplifier
04/30/2014CN203574611U Audio frequency amplifier used for computer speaker
04/30/2014CN203574610U Audio power amplifier for voice recognition
04/30/2014CN103765767A Class E amplifier overload detection and prevention
04/30/2014CN103765765A High-efficiency power amplifier
04/30/2014CN103762952A Differential simulation voice conversion circuit
04/30/2014CN103762951A Power amplifier
04/30/2014CN103762950A Large dynamic range amplifying circuit and establishing method thereof
04/30/2014CN103762948A Complementary metal-oxide-semiconductor transistor (CMOS) radio frequency power amplifier integrated on system on chip
04/30/2014CN103762947A Cross-coupling input low-noise trans-conductance amplifier
04/30/2014CN103762946A High-speed drive amplifier
04/30/2014CN102638317B Signal loss detection circuit and method and amplifier
04/30/2014CN102291092B Inverse class-F power amplifier
04/30/2014CN102193063B Detector circuit and semiconductor device using same
04/30/2014CN101860332B Amplifier circuit with reduced phase noise
04/30/2014CN101662287B Digital input class-d amplifier
04/29/2014US8710928 Semiconductor power amplifier
04/29/2014US8710927 High-frequency power amplifier
04/29/2014US8710926 Radio frequency power delivery system
04/29/2014US8710925 RF power amplifier circuit with mismatch tolerance
04/29/2014US8710924 Doherty amplifier circuit
04/29/2014US8710922 Method and apparatus for filter-less class D audio amplifier EMI reduction
04/29/2014US8710871 Delay lines, amplifier systems, transconductance compensating systems and methods of compensating
04/29/2014US8710867 Electronic system auto-mute control circuit and control method thereof
04/29/2014US8710424 Single-electron detection method and apparatus for solid-state intensity image sensors with a charge splitting device
04/24/2014WO2014063137A1 Transimpedance-type electronic device, fiber-optic communication system having such device, and method of operating such device
04/24/2014WO2014062936A1 Cmos-integrated jfet for dense low-noise bioelectronic platforms
04/24/2014WO2014062902A1 Transitioning from envelope tracking to average power tracking
04/24/2014WO2014062040A1 Envelope tracking distributed amplifier
04/24/2014WO2014061333A1 Transmission amplifier
04/24/2014WO2014060044A1 Apparatus and method for load modulating an amplifier
04/24/2014WO2014060026A1 Method and device for broadband high isolation coupling
04/24/2014US20140113573 Amplifiers with shunt switches
04/24/2014US20140112500 Dc offset compensation
04/24/2014US20140111444 Afe for a multichannel ir sensor system
04/24/2014US20140111282 Doherty power amplifier
04/24/2014US20140111281 Low dissipation amplifier
04/24/2014US20140111279 Envelope tracking distributed amplifier
04/24/2014US20140111278 Dynamically biased output structure
04/24/2014US20140111277 Apparatus and method for expanding operation region of power amplifier
04/24/2014US20140111275 Efficient power transfer power amplifier (pa) architecture
04/23/2014EP2722983A1 Amplifier and signal processing device
04/23/2014EP2722982A1 Amplifier circuits
04/23/2014EP2722981A1 Amplifier circuits
04/23/2014EP2721733A2 Power transistor gate driver
04/23/2014EP2721732A1 Power amplifier based on doherty power amplifier
04/23/2014EP2696499A9 Power amplifier for mobile telecommunications
04/23/2014CN203563064U Simple audio frequency amplifier used for interphone
04/23/2014CN203563024U Voice signal amplifier
04/23/2014CN203563023U Front amplification circuit for pyroelectric electric infrared detector
04/23/2014CN203563022U Operational amplifier for mobile phone
04/23/2014CN203563021U Driving circuit of small-power D-class audio frequency amplifier
04/23/2014CN203563020U Signal amplifier for voice recognition
04/23/2014CN203563019U Power amplification circuit for loudspeaker box loudspeaker
04/23/2014CN203563018U Low-power-dissipation power amplifier for mobile phones
04/23/2014CN203563017U Power amplifier for mobile phone
04/23/2014CN203563016U Low-power-dissipation amplifier for mobile phones
04/23/2014CN203563015U Novel power amplifier for mobile phone
04/23/2014CN203563014U Amplifier for recorder interface
04/23/2014CN203563013U High-input-impedance amplifier for mobile phones
04/23/2014CN203563005U Low-noise pre-amplifier suitable for collecting deep-sea noise data
04/23/2014CN103748786A Wide bandwidth class c amplifier with common-mode feedback
04/23/2014CN103748785A High efficiency power amplifier
04/23/2014CN103746667A Low-noise broadband optical fiber trans-impedance amplifier
04/23/2014CN103746666A Differential power amplifier for CMOS with radio frequency of 0.1-1.2GHz
04/23/2014CN103746665A Drive power amplifier with adjustable gain of 0.1-3GHz CMOS
04/23/2014CN103746662A Power amplifying circuit
04/23/2014CN103746660A Broadband CMOS (Complementary Metal-Oxide-Semiconductor Transistor) balun low noise amplifier
04/23/2014CN103746658A Power amplification device for power amplification of signals output by AP and AP device
04/23/2014CN102265505B Power amplication device
04/23/2014CN101919271B Buffer circuit for transducer and electret microphone
04/23/2014CN101359001B Method and apparatus for amplifying signal and testing device using the same
04/22/2014US8706271 Integration of computing device and lighting system
04/22/2014US8705772 Method for adjusting the maximum output power of a valve power amplifier stage for an audio amplifier, and corresponding valve power amplifier stage
04/22/2014US8704601 Class E power amplifier
04/22/2014US8704600 Power amplifier
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