一种新的砷化镓功率放大器线性化技术

GaAs IC Symposium IEEE Gallium Arsenide Integrated Circuit Symposium 17th Annual Technical Digest 1995 Pub Date : 1995-10-29 DOI:10.1109/GAAS.1995.529013

Y. Yamaguchi, M. Muraguchi, T. Nakagawa, M. Nakatsugawa, T. Tsukahara

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引用次数: 2

摘要

提出了一种新的砷化镓功率放大器线性化技术。针对采用/spl pi//4移QPSK调制的数字移动通信系统，介绍了该技术。它允许功率放大器提供高效率和低邻接通道漏功率(ACP)。线性化放大器的功率附加效率(PAE)水平比普通放大器高约10%。

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A novel linearizing technique for GaAs power amplifiers

A novel linearizing technique for GaAs power amplifier is proposed. This technique is introduced for digital mobile communication systems that employ /spl pi//4-shift QPSK modulation. It allows the power amplifier to offer both high efficiency and low adjacent-channel power leakage (ACP). A linearized amplifier achieves a power added efficiency (PAE) level approximately 10% higher than that of an ordinary amplifier.

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来源期刊

GaAs IC Symposium IEEE Gallium Arsenide Integrated Circuit Symposium 17th Annual Technical Digest 1995

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