DOHERTY POWER AMPLIFIER AND ELECTRONIC DEVICE INCLUDING IT IN WIRELESS COMMUNICATION SYSTEM

DOHERTY POWER AMPLIFIER AND ELECTRONIC DEVICE INCLUDING IT IN WIRELESS COMMUNICATION SYSTEM

An electronic device including a Doherty power amplifier is provided. The electronic device includes a carrier amplifier, a first circuit coupled to an output terminal of the carrier amplifier, a peaking amplifier, a second circuit coupled to an output terminal of the peaking amplifier, and a networ...

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Hauptverfasser: KANG, Hyunuk, WOO, Youngyoon, KIM, Changwook, JEE, Seunghoon, KIM, Kyoungtae, WOO, Seungmin, YANG, Younggoo
Format: Patent
Sprache:eng
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AMPLIFIERS
BASIC ELECTRONIC CIRCUITRY
ELECTRICITY
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creator KANG, Hyunuk
WOO, Youngyoon
KIM, Changwook
JEE, Seunghoon
KIM, Kyoungtae
WOO, Seungmin
YANG, Younggoo
description An electronic device including a Doherty power amplifier is provided. The electronic device includes a carrier amplifier, a first circuit coupled to an output terminal of the carrier amplifier, a peaking amplifier, a second circuit coupled to an output terminal of the peaking amplifier, and a network circuit. The network circuit includes the Doherty power amplifier and a transmission line for impedance matching with a resonance circuit. The resonance circuit may be disposed between a first area and a second area of the transmission line. The Doherty power amplifier provides an output impedance in a first range distributed based on a frequency within a bandwidth. The network circuit provides a load impedance in a second range distributed based on the frequency within the bandwidth. The first area of the transmission line provides a first phase shift impedance. The second area of the transmission line provides a second phase shift impedance.
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subjects AMPLIFIERS
BASIC ELECTRONIC CIRCUITRY
ELECTRICITY
title DOHERTY POWER AMPLIFIER AND ELECTRONIC DEVICE INCLUDING IT IN WIRELESS COMMUNICATION SYSTEM
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