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)
04/2002
04/03/2002	EP1193863A2 Amplifier circuit
04/03/2002	EP1193862A2 Distortion-compensation amplifier device
04/03/2002	EP1193860A2 Feedforward type linearizer
04/03/2002	EP1193859A2 Noise reduction technique in current steered chopper stabilized amplifier
04/03/2002	EP1192776A1 Reflecting modulator circuit comprising a negative impedance amplifier
04/03/2002	EP1192717A2 Method and apparatus for efficient mixed signal processing in a digital amplifier
04/03/2002	EP1192712A1 Offset and non-linearity compensated amplifier and method
04/03/2002	EP1192711A1 Biasing circuit for v gs? drift and thermal compensation of a power device
04/03/2002	CN1343387A Closed loop calibration for amplitude reconstruction amplifier
04/03/2002	CN1343040A Dynamicaly synchronous voltage-biased power amplifier
04/03/2002	CN1343039A Power amplifier without cross-over distortion
04/02/2002	US6366788 Mobile telephone system
04/02/2002	US6366770 High-frequency semiconductor device and radio transmitter/receiver device
04/02/2002	US6366177 High-efficiency power modulators
04/02/2002	US6366172 Semiconductor amplifier circuit and system
04/02/2002	US6366171 Single-to-differential low noise amplifier
04/02/2002	US6366170 PNP high-current, high-swing output stage and method
04/02/2002	US6366169 Fast rail-to-rail class AB output stage having stable output bias current and linear performance
04/02/2002	US6366168 Efficient ground noise and common-mode suppression network
04/02/2002	US6366167 Low voltage rail-to-rail CMOS input stage
04/02/2002	US6366166 Double pass band amplifier circuit and a radio frequency reception head
04/02/2002	US6366163 Video preamplifier
04/02/2002	US6366162 Multi-impedance input stage
04/02/2002	US6366128 Circuit for producing low-voltage differential signals
03/2002
03/28/2002	WO2002025819A1 An apparatus for active high speed - low power analog voltage drive
03/28/2002	WO2002025810A2 Mmic folded power amplifier
03/28/2002	WO2002025809A2 Switching power amplifier
03/28/2002	WO2002025684A1 Magnet, vacuum electron devices and communication systems
03/28/2002	WO2002025393A1 Biasing circuits
03/28/2002	WO2002025357A2 Controlled self-oscillation modulator
03/28/2002	WO2001052405A3 Method and device for the linearization of a high-frequency high-capacity amplifier
03/28/2002	US20020036933 Low noise and low offset bipolar input amplifiers
03/28/2002	US20020036892 Amplifier
03/28/2002	US20020036583 Reduced propagation delay current mode cascaded analog-to-digital converter and threshold bit cell therefor
03/28/2002	US20020036579 PWM power amplifier
03/28/2002	US20020036543 High-output amplifier
03/28/2002	US20020036542 Mmic folded power amplifier
03/28/2002	US20020036541 Mmic folded power amplifier
03/28/2002	US20020036540 Linear transconductance amplifier
03/28/2002	US20020036538 High-swing transconductance amplifier for charge pump circuit
03/28/2002	US20020036519 Circuits with dynamic biasing
03/28/2002	DE10119383A1 Hochfrequenz-Halbleitervorrichtung High-frequency semiconductor device
03/27/2002	EP1191707A1 Power amplifier sharing in a wireless communication system with transmit diversity
03/27/2002	EP1191685A2 Distortion compensation apparatus
03/27/2002	EP1191683A2 High frequency power amplifier module and wireless communication apparatus
03/27/2002	EP1191416A2 Voltage regulator
03/27/2002	EP1191348A2 Circuit arrangement for switchable amplification of analogue signals
03/27/2002	EP1190483A1 Load compensation technique for reactive impedance transformation amplifier output stage
03/27/2002	CN1341997A Transmitting circuit and no need radiated wave suppressing method
03/27/2002	CN1081850C Power amplifier and communication device
03/27/2002	CN1081849C Radiotelephone communication unit and high-frequency power amplifier therewith
03/27/2002	CN1081841C Constant current circuit with small output current fluctuation
03/26/2002	US6362910 Optical transmitter having temperature compensating function and optical transmission system
03/26/2002	US6362708 Dielectric resonator tuning device
03/26/2002	US6362702 Controlled self-oscillation modulator and power conversion system using such a modulator
03/26/2002	US6362689 MMIC folded power amplifier
03/26/2002	US6362688 System and method for optimal biasing of a telescopic cascode operational transconductance amplifier (OTA)
03/26/2002	US6362687 Apparatus for and method of controlling amplifier output offset using body biasing in MOS transistors
03/26/2002	US6362686 Fast saturation recovery operational amplifier input stage
03/26/2002	US6362685 Power amplifier with multilevel power modes
03/26/2002	US6362683 Break-before-make distortion compensation for a digital amplifier
03/26/2002	US6362682 Common-mode feedback circuit and method
03/26/2002	US6362606 Method and apparatus for regulating a voltage
03/21/2002	WO2002023717A2 Linear buffer
03/21/2002	WO2002023716A2 Power amplifier circuitry and method
03/21/2002	WO2002023634A2 Cmos transceiver having an integrated power amplifier
03/21/2002	WO2001080421A3 An accurate power detection circuit for use in a power amplifier
03/21/2002	US20020034311 Modular multiple channel audio signal conditioning interface
03/21/2002	US20020033735 Power amplifier and radio communication apparatus using the same
03/21/2002	US20020033734 Self-oscillating variable frequency closed loop class d amplifier
03/21/2002	US20020033733 Dynamic range enhancement technique
03/21/2002	US20020033732 Reference generation technique for multiple-reference amplifier
03/21/2002	US20020033508 Semiconductor device and method for fabricating the same
03/20/2002	EP1189342A2 Amplifier, especially inter-frequency amplifier for satellites
03/20/2002	EP1189341A2 Amplifier circuit
03/20/2002	EP1188238A1 Amplifier
03/20/2002	EP1188232A1 Power amplifier driver system for wireless handset
03/20/2002	EP1188231A1 Amplifier circuit
03/20/2002	EP0880822A4 Method and apparatus providing limiting transimpedance amplification
03/20/2002	EP0685125B1 Cross-conduction prevention circuit for power amplifier output stage
03/20/2002	CN1340917A Equipment and method for synchronous timer modulation with power source modulation in band expansion timer system
03/20/2002	CN1340912A Control method and control circuit for power amplifier using heterojunction double-electrode transistor
03/20/2002	CN1340911A Method and device for distortion compensation
03/20/2002	CN1340858A 半导体器件 Semiconductor devices
03/20/2002	CN1081407C Low voltage operational amplifier and method
03/19/2002	US6359715 Photoelectric conversion, method light receiving circuit, and optical communication system
03/19/2002	US6359524 Modulation pulse-top ripple compensation for a travelling wave tube pulser
03/19/2002	US6359517 Photodiode transimpedance circuit
03/19/2002	US6359516 High-frequency amplifier circuit with independent control of quiescent current and bias impedance
03/19/2002	US6359515 MMIC folded power amplifier
03/19/2002	US6359514 Switchable path power amplifier with combining network
03/19/2002	US6359513 CMOS power amplifier with reduced harmonics and improved efficiency
03/19/2002	US6359512 Slew rate boost circuitry and method
03/19/2002	US6359511 System and method for current splitting for variable gain control
03/19/2002	US6359510 Amplifier circuit
03/19/2002	US6359507 Method and apparatus for an automatic predistortion system
03/19/2002	US6359506 Linear modulation using a linear and a non-linear amplifier
03/19/2002	US6359505 Complementary pair-configured telecommunication line driver having synthesized output impedance
03/19/2002	US6359504 Power amplifier using upstream signal information
03/19/2002	US6359494 Semiconductor integrated circuit device having an oscillation circuit using reference current source independent from influence of variation of power supply voltage and threshold voltage of transistor

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