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)
03/2012
03/28/2012CN102394583A Broadband high-gain transconductance amplifier
03/28/2012CN102394582A Substrate drive low voltage operational amplifier circuit
03/28/2012CN102394581A Full differential operational amplifier
03/28/2012CN102394580A Partial common mode feedback fully differential operational amplifier with starting circuit
03/28/2012CN102394579A Amplitude-frequency balancing powder amplifier
03/28/2012CN102394578A Transistor audio power amplification circuit of low distortion transformer output
03/28/2012CN102394577A Wide-range linear continuous adjustable high-precise current amplifier
03/28/2012CN102394576A Substrate integrated crack waveguide power synthesis amplifier
03/28/2012CN102394575A Expanded coaxial line multi-way synthesis amplification device
03/28/2012CN102394574A Wideband power amplifier based on RF-LDMOS (radio frequency-lateral diffusion metal oxide semiconductor)
03/28/2012CN102394573A Bypass circuit of low noise amplifier
03/28/2012CN101820255B Voltage follower for high voltage input
03/28/2012CN101777876B Logarithmic amplifier
03/28/2012CN101626221B Digital programmable transconductance amplifier and mixed signal circuit using amplifier
03/28/2012CN101563842B True current limiting (tcl)
03/28/2012CN101512895B Amplifier architecture for polar modulation
03/28/2012CN101416397B Digital signal converter
03/28/2012CN101366173B Power amplifier and its idling current setting circuit
03/28/2012CN101312021B Display device, source driver and method for driving display panel
03/28/2012CN101015119B System and method for current-mode amplitude modulation
03/27/2012USRE43265 Reduced output topology for multi-reference switching amplifiers
03/27/2012US8145176 Front end and high frequency receiver having quadrature low noise amplifier
03/27/2012US8144813 Receiving method and receiving circuit
03/27/2012US8143952 Three dimensional inductor and transformer
03/27/2012US8143951 Broadband transistor bias network
03/27/2012US8143949 Push-pull linear hybrid class H amplifier
03/27/2012US8143948 High bandwidth, rail-to-rail differential amplifier with input stage transconductance amplifier
03/27/2012US8143947 Semiconductor differential amplifier
03/27/2012US8143946 Current to voltage converter
03/27/2012US8143945 Switched mode amplifier
03/27/2012US8143944 Method and apparatus for sensing a current for varying impedance loads
03/27/2012US8143564 Photodetection circuit
03/22/2012WO2012037133A1 Multiplexed amplifier with reduced glitching
03/22/2012WO2012036496A2 Charge sensing amplifier circuit for compensating for dc leakage current, and x-ray readout integrated circuit and x-ray sensor using same
03/22/2012WO2012036207A1 Inductor
03/22/2012WO2012036066A1 Self-oscillating circuit and class d amplifier
03/22/2012WO2012036014A1 Differential circuit
03/22/2012WO2012035713A1 Class d amplifier and wireless communication device
03/22/2012US20120071126 Communication Transceiver Having a Three-Line Balun With Power Amplifier Bias
03/22/2012US20120068773 High frequency amplifier
03/22/2012US20120068772 Field modulating plate and circuit
03/22/2012US20120068771 Heterogeneous integration of harmonic loads and transistor feedback for improved amplifier performance
03/22/2012US20120068770 Anti-glitch system for audio amplifier
03/22/2012US20120068769 High-frequency differential amplifier circuit
03/22/2012US20120068052 Optical receiver circuit
03/22/2012DE10207802B4 CMOS-Differenzverstärker CMOS differential amplifier
03/22/2012DE102011083050A1 Adaptive Anpassung eines aktiven Bereichs für einen Leistungsverstärker Adaptive adjustment of an active region for a power amplifier
03/21/2012EP2432121A1 Broadband power amplifier
03/21/2012EP2432120A1 Amplifying device
03/21/2012EP2432119A1 Class d amplification device
03/21/2012EP2432118A1 Radio-frequency power amplifier with fast envelope tracking
03/21/2012EP2430752A1 Digital hybrid amplifier calibration and compensation method
03/21/2012EP2430751A2 Transimpedance amplifier with distributed control of feedback line
03/21/2012EP2430750A1 Multi-bit class-d power amplifier system
03/21/2012EP2430749A1 Switchable input pair operational amplifiers
03/21/2012EP2430747A1 A circuit for a transmitter
03/21/2012EP2430531A1 Remotely reconfigurable power amplifier system and method
03/21/2012EP2067255B1 Method of control slope regulation and control slope regulation apparatus
03/21/2012CN1953321B 运算放大器 Operational Amplifiers
03/21/2012CN1953320B Offset canceller
03/21/2012CN102386870A Amplitude and phase control equipment and control method for power amplifier
03/21/2012CN102386868A High efficiency balanced output amplifier system
03/21/2012CN102386867A High efficiency audio amplifier system
03/21/2012CN102386866A Signal amplification circuits
03/21/2012CN102386865A Operational amplification circuit and system
03/21/2012CN102386864A Self-biasing operational amplifying circuit and self-biasing operational amplifying system
03/21/2012CN102386863A Integrated circuit single ended-to-differential amplifier
03/21/2012CN102386862A Operational amplifier with overdriving circuit and method for same
03/21/2012CN102386861A Positive and negative voltage input operational amplifier set
03/21/2012CN102386858A Amplifying circuit
03/21/2012CN102386852A Method for amplifying digital multi-carrier power and power amplifier for realizing same
03/21/2012CN102386471A Double-layer multi-channel power synthesis amplifier based on rectangular waveguide
03/21/2012CN102055477B Amplitude-interleaving analog digital composite signal processing circuit
03/21/2012CN101669281B Amplifier apparatus and control method of doherty amplifying circuit
03/21/2012CN101641931B 脉冲宽度调制器 Pulse width modulator
03/21/2012CN101557202B High power D-type power amplifier
03/21/2012CN101401300B Amplification stage
03/21/2012CN101316114B Spread-spectrum modulation circuit, variable frequency triangular-wave generator and signal processing method
03/21/2012CN101299594B Selection circuit
03/21/2012CN101166013B Differential amplifier using body-source cross coupling
03/20/2012US8139786 Plop noise avoidance for an amplifier
03/20/2012US8138839 Wideband CMOS gain stage
03/20/2012US8138838 Electron beam switch
03/20/2012US8138837 Efficient power amplifier
03/20/2012US8138836 Emitter-follower type bias circuit
03/20/2012US8138835 Wide band LNA with noise canceling
03/20/2012US8138834 Current control circuit, class AB operational amplifier system and current control method
03/20/2012US8138833 Common-mode feedback amplifier
03/20/2012US8138832 Class-D amplifier
03/20/2012US8138830 Variable gain instrumentation amplifier
03/20/2012US8138827 Filter compensation for switching amplifiers
03/20/2012US8138464 Optical receiving circuit
03/15/2012WO2012033801A2 Radio frequency communications system
03/15/2012WO2012033731A2 Power amplifier with transistor input mismatching
03/15/2012WO2012033729A2 Lcl high power combiner
03/15/2012WO2012033655A1 Electro-magnetic interference reduction for switched signal systems
03/15/2012WO2012032736A1 Amplification circuit
03/15/2012WO2012032390A1 Amplifier and amplifying method
03/15/2012WO2012031964A1 Method and circuit for processing a signal supplied by a piezoelectric sensor, and pressure-measuring device for piston engine
03/15/2012WO2011129553A3 Public address amplifier which is lightweight due to the supply of class-d sampling frequency to opt
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