HIGH FREQUENCY/HIGH OUTPUT TRANSISTOR

HIGH FREQUENCY/HIGH OUTPUT TRANSISTOR

PURPOSE:To reduce the impedance conversion loss by curtailing a middle part of a tapered impedance conversion part at a connection part from a transistor(TR) chip in a microstrip line into a proper shape. CONSTITUTION:A gate electrode of a TR chip 4 of a high frequency high output TR is connected to...

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1. Verfasser: ITO SAKANORI
Format: Patent
Sprache:eng
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AMPLIFIERS
BASIC ELECTRIC ELEMENTS
BASIC ELECTRONIC CIRCUITRY
ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
SEMICONDUCTOR DEVICES
WAVEGUIDES
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creator ITO SAKANORI
description PURPOSE:To reduce the impedance conversion loss by curtailing a middle part of a tapered impedance conversion part at a connection part from a transistor(TR) chip in a microstrip line into a proper shape. CONSTITUTION:A gate electrode of a TR chip 4 of a high frequency high output TR is connected to an impedance conversion section 8 of an internal matching circuit 20 for gate, then a microstrip line 5. A drain electrode or the TR chip 4 is connected to a strip line 6 via an impedance conversion section 2 of an internal matching circuit 10 for drain. Moreover, the internal matching circuit board 10 has the microstrip line 6 made of a metallic pattern and a tapered impedance conversion section 2. Then an opening 1 is provided to the middle of the tapered impedance conversion part 2, a difference from the electric length of each path at the tapered impedance conversion part is minimized by the opening 1.
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subjects AMPLIFIERS
BASIC ELECTRIC ELEMENTS
BASIC ELECTRONIC CIRCUITRY
ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
SEMICONDUCTOR DEVICES
WAVEGUIDES
title HIGH FREQUENCY/HIGH OUTPUT TRANSISTOR
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