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)
04/2014
04/22/2014US8704599 Switching power supply circuit
04/22/2014US8704597 Amplifiers and related receiver systems
04/22/2014US8704596 Difference amplifier arrangement with transconductance amplifier based current compensation
04/22/2014US8704593 Metamaterial power amplifier systems
04/22/2014US8704592 Traveling wave amplifier with pre-emphasis function
04/22/2014US8704583 Capacitive level-shifting circuits and methods for adding DC offsets to output of current-integrating amplifier
04/22/2014US8704147 Photoelectric conversion device
04/17/2014WO2014059311A1 Method and apparatus for predicting signal characteristics for a nonlinear power amplifier
04/17/2014WO2013149226A3 System and method for suppression of peaking in an external lc filter of a buck regulator
04/17/2014WO2013109138A3 Protection circuitry for power amplifier
04/17/2014US20140104004 Amplifier circuits
04/17/2014US20140104002 Circuit and method for adjusting the electric power supply of an energy-scavenging system
04/17/2014US20140104001 Amplifier circuit
04/17/2014US20140104000 Feed-forward circuit to prevent phase inversion
04/17/2014US20140103999 Amplifier, fully-differential amplifier and delta-sigma modulator
04/17/2014US20140103997 Power amplifier assembly comprising suspended strip lines
04/17/2014US20140103996 Front-end amplifier
04/17/2014US20140103994 Detection device provided with a transimpedance circuit
04/17/2014DE102012020246A1 Lichtstrahlempfänger zum Empfang von unmodulierten und modulierten Lichtstrahlen Light beam receiver for receiving unmodulated and modulated light beams
04/17/2014DE102012020148A1 Amplifier i.e. power amplifier, for amplifying electric current, has resistors changing resistor ratio of electric resistance of feedback resistor to electric resistance of intermediate resistor with change in temperature at specified range
04/16/2014EP2720372A1 Analogue output unit
04/16/2014EP2719074A1 Power amplifier assembly comprising suspended strip lines
04/16/2014CN203554389U Photoelectric signal receiving circuit
04/16/2014CN203554388U Wideband power amplifier
04/16/2014CN1805617B Headphone and hands-free loudspeaker for mobile audio devices
04/16/2014CN103733522A Low noise amplifiers with combined outputs
04/16/2014CN103733514A Multi-channel class-d audio amplifier with planar inductors
04/16/2014CN103731150A Analog quantity output circuit and control method
04/16/2014CN103731146A Latch comparer and working method thereof
04/16/2014CN103731138A Dead-time generating circuit for output stage of D-type audio power amplifier
04/16/2014CN103731112A System and method for a programmable gain amplifier
04/16/2014CN103731111A Amplifier circuit
04/16/2014CN103731110A Operational amplifier circuit and realizing method thereof
04/16/2014CN103731109A Operational amplifier assembly and method for strengthening drive capacity of operational amplifier circuit
04/16/2014CN103731108A Signal amplification circuit applicable to control circuit
04/16/2014CN103731107A Control circuit and method for controlling an operation of a power amplifier
04/16/2014CN102355204B Automatic audio power amplifier switching circuit and power amplifier chip
04/16/2014CN102265507B Distortion compensation circuit
04/16/2014CN102035481B 偏置电路 Bias circuit
04/16/2014CN102006022B Low voltage operational amplifier based on CMOS (complementary metal oxide semiconductor) process
04/16/2014CN101795111B Operational amplifier circuit
04/15/2014US8698564 Radio frequency amplifier circuit
04/15/2014US8698563 Doherty amplifier
04/15/2014US8698562 RF power amplifier
04/15/2014US8698561 Operational amplifier circuit structure
04/15/2014US8698560 Variable-gain low noise amplifier
04/15/2014US8698559 Amplifier circuit and method
04/15/2014US8698558 Low-voltage power-efficient envelope tracker
04/15/2014US8698557 Hybrid coupler
04/15/2014US8698556 Low switching error, small capacitors, auto-zero offset buffer amplifier
04/10/2014WO2014055769A1 Systems and methods of harmonic extraction and rejection
04/10/2014WO2014053641A1 Embedding a digital watermark in a signal
04/10/2014WO2014053508A1 Aas transmitter distortion improvement
04/10/2014WO2014027239A3 Switched continuous time linear equalizer with integrated sampler
04/10/2014WO2013189424A3 Radio-frequency power amplification circuit, control method and terminal
04/10/2014US20140099892 Offset cancellation for dc isolated nodes
04/10/2014US20140097907 Micro cmos power amplifier
04/10/2014US20140097906 Single Stage Buffer With Filter
04/10/2014US20140097905 Sps receiver with adjustable linearity
04/10/2014US20140097904 Dual band amplifier
04/10/2014US20140097903 Doherty amplifier
04/10/2014US20140097900 CIRCUIT AND METHOD FOR BIASING A GALLIUM ARSENIDE (GaAs) POWER AMPLIFIER
04/10/2014US20140097899 Amplification circuit and method therefor
04/10/2014US20140097898 Electronic Circuit
04/10/2014US20140097897 OP-AMP Sharing Technique to Remove Memory Effect in Pipelined Circuit
04/10/2014US20140097896 Offset current trim circuit
04/10/2014US20140097895 Pseudo-envelope following feedback delay compensation
04/10/2014US20140097894 Method and Apparatus of an Input Resistance of a Passive Mixer to Broaden the Input Matching Bandwidth of a Common Source-Gate LNA
04/10/2014US20140097331 Light reception circuit and light reception device
04/10/2014DE102013110809A1 Offset-Strom-Trimmschaltung Offset current-trimming circuit
04/10/2014DE102013110422A1 System und Verfahren für einen Verstärker mit programmierbarer Verstärkung System and method for a programmable gain amplifier
04/09/2014EP2717467A1 Driver amplifier circuit and power amplifier including the same
04/09/2014EP2717466A1 Low-mismatch and low-consumption transimpedance gain circuit for temporally differentiating photo-sensing systems in dynamic vision sensors
04/09/2014EP2715934A1 Time alignment for an amplification stage
04/09/2014CN203537334U Speech signal amplification circuit
04/09/2014CN203537333U Pre-amplification electric circuit of infrared temperature human detector
04/09/2014CN203537332U Power source sampled signal amplifying circuit
04/09/2014CN203537331U Transconductance power amplifier with electron tubes and without negative feedback and output transformer
04/09/2014CN203537330U Input-stage fully differential operational amplifier of D-type audio power amplifier
04/09/2014CN203537329U Monitoring power amplifier circuit with high conversion rate
04/09/2014CN203537328U Frequency-adjustable triangular wave power amplifier
04/09/2014CN203537327U Solid-state amplifier with AC-DC (alternating current-direct current) power module
04/09/2014CN203537326U Power amplifier of radio frequency signal output module
04/09/2014CN203537324U Power overshoot protection circuit for digital television power amplifier
04/09/2014CN103718456A Predistorter, predistorter control method
04/09/2014CN103715999A Offset current trim circuit
04/09/2014CN103715998A Operational amplifier module and method for increasing slew rate of operational amplifier circuit
04/09/2014CN103715997A Circuit capable of improving linearity of power amplifier
04/09/2014CN103715996A Low cost power amplifier circuit for pushing computer loudspeaker
04/09/2014CN103715995A Power amplifier protection method and device
04/09/2014CN103715992A Power-amplifier pre-distortion device and method based on simplified Volterra series
04/09/2014CN103715991A Micro CMOS power amplifier
04/09/2014CN103715891A DC-DC switching regulator with transconductance boosting
04/09/2014CN103715252A Compound semiconductor device and method of manufacturing the same
04/09/2014CN103713519A Proportional amplifier PID parameter self-tuning control method, and proportional amplifier and proportional electromagnetic valve
04/09/2014CN102299688B Audio power amplifier and method for switching audio power amplifying modes
04/09/2014CN102082553B Integrator of differential input
04/09/2014CN102055418B High perceived audio quality class d amplifier
04/08/2014US8693679 Communications system and associated method for reducing power consumption of a telecommunications device
04/08/2014US8693676 Power efficiency of a line driver
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