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Class Information
Number: 330/277
Name: Amplifiers > With semiconductor amplifying device (e.g., transistor) > Including field effect transistor
Description: Subject matter wherein a field effect transistor (FET) is utilized in the amplifier circuit.










Patents under this class:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16

Patent Number Title Of Patent Date Issued
5162749 Amplifier circuit having a feedback circuit Nov. 10, 1992
5162755 Radio frequency amplifier circuit Nov. 10, 1992
5157351 Insulated gate enhancement mode field effect transistor with slew-rate control on drain output Oct. 20, 1992
5155449 FET buffer amplifier Oct. 13, 1992
5146178 Impedance-matched, class F high-frequency amplifier Sep. 8, 1992
5146179 Fully differential operational amplifier having frequency dependent impedance division Sep. 8, 1992
5144266 Broadband high frequency active MMIC circulator Sep. 1, 1992
5138275 Predistortion linearizer for microwave power amplifiers Aug. 11, 1992
5132641 Apparatus and method for dividing/combining microwave power from an odd number of transistor chips Jul. 21, 1992
5126685 Circuits for linear conversion between voltages and currents Jun. 30, 1992
5119392 Second-order predistortion circuit for use with laser diode Jun. 2, 1992
5113150 Unity gain inverting amplifier providing linear transfer characteristics May. 12, 1992
5111084 Low loss drain pulser circuit for solid state microwave power amplifiers May. 5, 1992
5105166 Symmetric bi-directional amplifier Apr. 14, 1992
5103189 High-efficiency amplifier Apr. 7, 1992
5097224 Self-biasing, low noise amplifier of extended dynamic range Mar. 17, 1992
5095284 Subthreshold CMOS amplifier with wide input voltage range Mar. 10, 1992
5093631 Gain-controlled broadband amplifier stage Mar. 3, 1992
5093629 Amplifier circuit having second order signal cancellation Mar. 3, 1992
5089791 MMIC-compatible power amplifier Feb. 18, 1992
5089790 Field effect transistor amplifier Feb. 18, 1992
5087889 Area efficient cascode driver circuit Feb. 11, 1992
5086281 Optical control circuit for a microwave monolithic integrated circuit Feb. 4, 1992
5083095 Plural source follower amplifier Jan. 21, 1992
5079454 Temperature compensated FET power detector Jan. 7, 1992
5073759 Adaptable current mirror Dec. 17, 1991
5072199 Broadband N-way active power splitter Dec. 10, 1991
5070306 High-gain differencial amplifier circuit fabricated from field effect transistors Dec. 3, 1991
5070304 Distributed combiner power amplifier and method Dec. 3, 1991
5068623 High-gain amplifier with low noise and low power dissipation, using field effect transistors Nov. 26, 1991
5065114 Circuit configuration for an amplifier stage Nov. 12, 1991
5061903 High voltage modified cascode circuit Oct. 29, 1991
5061901 Circuit arrangement for increasing the gain-bandwidth product of a CMOS amplifier Oct. 29, 1991
5060298 Monolithic double balanced mixer with high third order intercept point employing an active distributed balun Oct. 22, 1991
5057791 Device and method for bi-directional amplification with a JFET Oct. 15, 1991
5057719 Passively forced current sharing among transistors Oct. 15, 1991
5057789 Class AB CMOS amplifier Oct. 15, 1991
5055795 Traveling wave type transversal equalizer Oct. 8, 1991
5051705 Gain-tilt amplifier Sep. 24, 1991
5051706 High frequency power amplifier circuit Sep. 24, 1991
5050235 Transmitter using gallium arsenide FET with means for controlling gate bias voltage of the FET for suppressing undesired signal at a start condition of the transmitter Sep. 17, 1991
5049836 High voltage electrical amplifier having a short rise time Sep. 17, 1991
5049835 Modified cascode circuit Sep. 17, 1991
5047728 Amplifier having a low noise active GaAs MESFET load Sep. 10, 1991
5045808 Single-stage high-gain amplifier Sep. 3, 1991
5046155 Highly directive, broadband, bidirectional distributed amplifier Sep. 3, 1991
5041796 Wideband amplifier using FET Aug. 20, 1991
5039954 Amplifier arrangement Aug. 13, 1991
5039873 Microwave elements with impedance control circuits Aug. 13, 1991
5038060 Active very-high frequency circuit of the all-pass type utilizing an RC network whose capacitance is the gate-source capacitance of a FET Aug. 6, 1991

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