基于mmic的超线性商用PCS多调制格式基站功率放大a /F类功率放大器

Proceedings RAWCON 98. 1998 IEEE Radio and Wireless Conference (Cat. No.98EX194) Pub Date : 1998-08-09 DOI:10.1109/RAWCON.1998.709203

D. Helms, M. Testa, Nelly Vladimirsky, D. Wills

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引用次数: 0

摘要

与之前的MMIC和A/F类放大器相比，基于MMIC的三级A/F类驱动放大器在并发多调制格式下提供了大大提高的线性功率。与典型的A/F类放大器相比，改进的A/F类结构分别抑制了15.8 dB和13 dB以上的三阶和五阶产物，比直接的A类放大器分别抑制了17.8 dB以上。这提供了56.7 dBm的三阶截距。只有48瓦的直流电该放大器的增益平坦度为0.3 dB，带宽为10% AMPs。这项技术已获得专利。

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MMIC-based class-A/F power amplifier for ultra-linear-commercial PCS multiple-modulation-format base station power amplification

An MMIC based, three stage, class-A/F driver amplifier provided greatly improved linear power in concurrent multiple modulation formats over previous MMICs and class A/F amplifiers. The modified class A/F structure suppresses the 3rd and 5th order products by more than 15.8 dB and 13 dB respectively, over a typical class A/F amplifier, and by 17.8 dB over a straight class A amplifier. This provides a 3rd order intercept of 56.7 dBm. for only 48 watts DC. The amp has 0.3 dB gain flatness over a 10% AMPs bandwidth. The technique is patented.

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来源期刊

Proceedings RAWCON 98. 1998 IEEE Radio and Wireless Conference (Cat. No.98EX194)

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