PUSH-PULL RF POWER AMPLIFIER CIRCUIT AND PUSH-PULL RF POWER AMPLIFIER

PUSH-PULL RF POWER AMPLIFIER CIRCUIT AND PUSH-PULL RF POWER AMPLIFIER

Discloses is a push-pull RF power amplifier circuit, comprising a first differential amplifier transistor, a second differential amplifier transistor, a first balun and a capacitor network. In this application, the primary coil of first balun is improved into a structure in which the first and secon...

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Hauptverfasser: Cao, Yuan, Ni, Jianxing, Lei, Yongjian
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Sprache:eng
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AMPLIFIERS
BASIC ELECTRONIC CIRCUITRY
ELECTRICITY
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creator Cao, Yuan
Ni, Jianxing
Lei, Yongjian
description Discloses is a push-pull RF power amplifier circuit, comprising a first differential amplifier transistor, a second differential amplifier transistor, a first balun and a capacitor network. In this application, the primary coil of first balun is improved into a structure in which the first and second coil segment are connected with each other, and the capacitor network is connected at the joint of the first and second coil segment. The capacitor network and first balun jointly participate in impedance matching of the push-pull RF power amplifier circuit, so that the push-pull power amplifier system can support larger bandwidth while achieving impedance matching. There is no need to separately connect capacitors between the output end of the first differential amplifier transistor and the first input end of the first balun, or between the output end of the second differential amplifier transistor and the second input end of the first balun.
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subjects AMPLIFIERS
BASIC ELECTRONIC CIRCUITRY
ELECTRICITY
title PUSH-PULL RF POWER AMPLIFIER CIRCUIT AND PUSH-PULL RF POWER AMPLIFIER
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