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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
4769618 Distributed power combiner/divider Sep. 6, 1988
4767946 High-speed supply independent level shifter Aug. 30, 1988
4764734 Class SM power amplifier Aug. 16, 1988
4761615 Voltage repeater circuit with low harmonic distortion for loads with a resistive component Aug. 2, 1988
4760350 Internally matched power amplifier Jul. 26, 1988
4760349 CMOS analog standard cell arrays using linear transconductance elements Jul. 26, 1988
4757276 Signal-processing circuit having a field-effect MOSFET and bipolar transistors Jul. 12, 1988
4754229 Matching circuit for a microwave device Jun. 28, 1988
4752746 Wideband microwave matrix amplifier Jun. 21, 1988
4751562 Field-effect semiconductor device Jun. 14, 1988
4751473 FET amplifier circuit Jun. 14, 1988
4749959 Multiple FET device having direct-coupled stages for improved microwave operation Jun. 7, 1988
4748423 Hot standby amplifier apparatus May. 31, 1988
4746875 Differential amplifier using N-channel insulated-gate field-effect transistors May. 24, 1988
4743862 JFET current mirror and voltage level shifting apparatus May. 10, 1988
4739282 Current bleeder amplifier with positive feedback Apr. 19, 1988
4737733 Overdrive control of FET power amplifier Apr. 12, 1988
4734654 Linear CMOS transconductance element Mar. 29, 1988
4734751 Signal scaling MESFET of a segmented dual gate design Mar. 29, 1988
4733194 Apparatus and method for paralleling power field effect transistors in high frequency amplifiers Mar. 22, 1988
4731594 Planar active component microwave switch matrix and air bridge for use therewith Mar. 15, 1988
4728828 Switched capacitor transresistance amplifier Mar. 1, 1988
4717884 High efficiency RF power amplifier Jan. 5, 1988
4716380 FET differential amplifier Dec. 29, 1987
4713676 Logic circuit arrangement with field effect transistors matched thereto Dec. 15, 1987
4705967 Multifunction floating FET circuit Nov. 10, 1987
4701718 CMOS high gain amplifier utilizing positive feedback Oct. 20, 1987
4697154 Semiconductor integrated circuit having improved load drive characteristics Sep. 29, 1987
4697153 Cascode auto bias circuit Sep. 29, 1987
4688267 Optical fibre receiver Aug. 18, 1987
4686387 Biasing circuit for a field effect transistor Aug. 11, 1987
4683443 Monolithic low noise amplifier with limiting Jul. 28, 1987
4679010 Microwave circulator comprising a plurality of directional couplers connected together by isolation amplifiers Jul. 7, 1987
4677391 Series biasing scheme for field effect transistors Jun. 30, 1987
4672327 Self-biasing for enhancement-mode field effect transistors Jun. 9, 1987
4672328 Waveguide-mounted amplifier Jun. 9, 1987
4668920 Power divider/combiner circuit May. 26, 1987
4667164 Frequency response amplifier May. 19, 1987
4658220 Dual-gate, field-effect transistor low noise amplifier Apr. 14, 1987
4656429 Voltage comparison circuit with ripple component elimination Apr. 7, 1987
4656436 CMOS transconductance circuit with triode mode input Apr. 7, 1987
4646028 GaAs monolithic medium power amplifier Feb. 24, 1987
4638261 Low noise amplifier with high intercept point Jan. 20, 1987
4636742 Constant-current source circuit and differential amplifier using the same Jan. 13, 1987
4633192 Integrated circuit operating as a current-mirror type CMOS amplifier Dec. 30, 1986
4631492 Ultra high frequency power amplifier Dec. 23, 1986
4631493 Circuit for DC biasing Dec. 23, 1986
4631494 Conductive housing and biasing system for microwave integrated circuits Dec. 23, 1986
4625179 Space feedback apparatus for field effect transistors Nov. 25, 1986
4623848 Microwave preamplifier Nov. 18, 1986

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