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
03/15/2012US20120064852 Low noise amplifier having both ultra-high linearity and low noise characteristic and radio receiver including the same
03/15/2012US20120064836 Amplifier Circuit for a Ranging Transceiver
03/15/2012US20120063252 Variability resilient sense amplifier with reduced energy consumption
03/15/2012US20120062325 Power amplifier circuit
03/15/2012US20120062324 Rf power amplifier
03/15/2012US20120062323 Radio-Frequency Power Amplifier with Fast Envelope Tracking
03/15/2012US20120062322 Power Amplifier With Transistor Input Mismatching
03/15/2012US20120062321 Power amplifier
03/15/2012US20120062320 Anti-pop circuit
03/15/2012US20120062319 Single-Differential Converting Circuit
03/15/2012US20120062318 Method and apparatus for transformer power combiner and dynamic power control for outphasing power amplifiers
03/15/2012US20120062317 Nanothermocouple Detector Based on Thermoelectric Nanowires
03/15/2012US20120062316 Signal generating apparatus and method thereof
03/15/2012US20120062233 Input impedance of low noise preamplifiers used for mri
03/14/2012EP2429075A1 Amplifier circuit for a ranging transceiver
03/14/2012CN202168038U 一种差分运放电路 Kind of differential op amp circuit
03/14/2012CN202168037U 一种单端输出变压器的推挽放大器系统 A single-ended output transformer push-pull amplifier system
03/14/2012CN202168036U 一种射频大功率放大器 A radio frequency high power amplifier
03/14/2012CN1976217B Power amplifier with high gain and high efficiency
03/14/2012CN102377396A Automatic gain control circuit, method and amplifier device
03/14/2012CN102377395A Single-channel signal isolating and amplifying device
03/14/2012CN102377394A Music playing module
03/14/2012CN102377393A Power amplifier with selectable load impedance and method of amplifying a signal with selectable load impedance
03/14/2012CN102377392A High-frequency amplifier
03/14/2012CN102377389A Envelope amplifier
03/14/2012CN101741329B Complementary input circularly folding gain bootstrap operational transconductance amplifier
03/14/2012CN101610070B Preposed amplifier and method for correcting offset voltage of same
03/13/2012US8135145 Multi-level output signal converter
03/13/2012US8134548 DC-DC converter switching transistor current measurement technique
03/13/2012US8134420 Communication apparatus and signal processing method thereof
03/13/2012US8134410 Transceiver gain calibration
03/13/2012US8134409 Radio frequency power amplifier
03/13/2012US8134408 Power amplification circuit having transformer
03/13/2012US8134407 Enhancing dual op-amps for differential connections
03/13/2012US8134385 Split cascode line amplifier for current-mode signal transmission
03/13/2012US8134114 Direct attach optical receiver module and method of testing
03/08/2012WO2012031091A2 Buffering apparatus and method
03/08/2012WO2012030437A1 Symmetrical physiological signal sensing with a medical device
03/08/2012WO2012029210A1 Amplifier
03/08/2012WO2012028017A1 Audio power amplifier and method for switching audio power amplification modes
03/08/2012US20120059265 Active Transducer Probes and Circuits
03/08/2012US20120056681 Signal amplification circuits for receiving/transmitting signals according to input signal
03/08/2012US20120056680 Three Dimensional Inductor, Transformer and Radio Frequency Amplifier
03/08/2012US20120056679 Split current current digital-to-analog converter (idac) for dynamic device switching (dds) of an rf pa stage
03/08/2012US20120056678 Power amplifier and method for controlling power amplifier
03/08/2012US20120056677 Apparatus and method for a tunable multi-mode multi-band power amplifier module
03/08/2012US20120056676 RF Amplifier with Digital Filter for Polar Transmitter
03/08/2012US20120056675 Operational Amplifier For An Active Pixel Sensor
03/08/2012US20120056673 Buffering apparatus and method
03/08/2012US20120056672 Class-AB/B amplifier and quiescent control circuit for implementation with same
03/08/2012US20120056671 Integrated circuit single ended-to-differential amplifier
03/08/2012US20120056670 Cross current minimization
03/08/2012US20120056669 Power amplifier device with reduced bulk
03/08/2012DE102011082096A1 Aktive wandlersonden und schaltungen Active transducer probes and circuits
03/07/2012EP2426817A1 Wide band power amplifier
03/07/2012EP2426816A1 Power amplifier
03/07/2012EP2425528A1 Power amplifier
03/07/2012EP2425527A1 Wireless communication device and semiconductor package device having a power amplifier therefor
03/07/2012EP2089967B1 Apparatus and method for controlling a common-mode voltage of switching amplifiers
03/07/2012EP1972055B1 Digital pwm amplifier with simulation-based feedback
03/07/2012EP1938454B1 Soft-start circuit and method for power-up of an amplifier circuit
03/07/2012EP1048176B1 Apparatus and method of linearizing a power amplifier in a mobile radio communication system
03/07/2012CN202160145U Ku波段高效功率放大器 Ku-band high efficiency power amplifier
03/07/2012CN102368680A Current feedback operational amplifier circuit
03/06/2012US8130874 By-pass arrangement of a low noise amplifier
03/06/2012US8130043 Multi-stage power amplifier with enhanced efficiency
03/06/2012US8130042 Methods and devices for leakage current reduction
03/06/2012US8130041 Power amplifier device
03/06/2012US8130040 Power amplifier with two transistors and traces forming two transformers
03/06/2012US8130039 Solid-state RF power amplifier for radio transmitters
03/06/2012US8130038 Class AB operational amplifier and output stage quiescent current control method
03/06/2012US8130037 Apparatus and method for reducing current noise
03/06/2012US8130036 Input common mode circuit
03/06/2012US8130035 Post amplifier with selectable gain
03/06/2012US8130034 Rail-to-rail amplifier
03/06/2012US8129671 Power supply dependent optical receiver and amplifier and photocoupler using the same
03/01/2012WO2012027703A2 Tunable radio front end and methods
03/01/2012WO2012027619A1 Boost charge-pump with fractional ratio and offset loop for supply modulation
03/01/2012WO2012026984A1 Amplifier gain adjustment in response to reduced supply voltage
03/01/2012WO2012025791A1 Push-push oscillator circuit
03/01/2012WO2012024874A1 Power synthesis circuit for radio frequency power amplifier
03/01/2012WO2012005752A3 Narrow-band tunable radio frequency (rf) power amplifiers and related methods
03/01/2012US20120049963 Amplifying circuit
03/01/2012US20120049962 Signal amplification device and signal amplification method
03/01/2012US20120049960 Pre-driver and digital transmitter using the same
03/01/2012US20120049959 High power-supply rejection ratio amplifying circuit
03/01/2012US20120049958 Amplifier circuit
03/01/2012US20120049957 Operational amplifier with overdriving circuit and method for same
03/01/2012US20120049956 Amplifiers and related biasing methods and devices
03/01/2012US20120049955 Compound semiconductor device, method of manufacturing the same, power supply device and high-frequency amplifier
03/01/2012US20120049952 Wide band power amplifier
03/01/2012US20120049950 Chopper stabilized amplifier
03/01/2012US20120049946 Equalization circuit
03/01/2012US20120049895 Amplifying circuit and current-voltage conversion circuit
03/01/2012DE10331078B4 Einrichtung zum Erfassen einer physikalischen Größe Means for detecting a physical quantity
03/01/2012DE10261388B4 Schaltung zur Arbeitspunkteinstellung von Mehrfach-Gate-Feldeffekttransistoren Circuit for operating point setting of multiple-gate field-effect transistors
03/01/2012DE102010035276A1 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
02/2012
02/29/2012EP2424108A1 Amplifying circuit
02/29/2012EP2424107A2 Current-voltage conversion circuit
02/29/2012EP2424106A2 Amplifying circuit
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