一种提高射频放大器多载波IMD性能的差频技术的分析与实用性能

1999 IEEE MTT-S International Topical Symposium on Technologies for Wireless Applications (Cat. No. 99TH8390) Pub Date : 1900-01-01 DOI:10.1109/MTTTWA.1999.755128

M. Modeste, D. Budimir, M. R. Moazzam, C. Aitchison

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引用次数: 28

摘要

本文提出了一种改善功率放大器IMD的差频技术。该技术的基础是将原始的两个音调信号和一个频率为基频信号差频的信号送入放大器。给出了理论、仿真和实际测量结果。本文报道了相关实验结果，给出了三阶IMD电平降低40 dB以上的两个音调的测量结果。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Analysis and practical performance of a difference frequency technique for improving the multicarrier IMD performance of RF amplifiers

This paper presents a difference frequency technique for IMD improvement in power amplifiers. The technique is based on feeding the original two tone signals and a signal which frequency is the difference frequency of the fundamental signals in to the amplifier. Theory, simulation and practical measurement are presented. The result of the related experiment which gave a two tones measurement of more than 40 dB reduction in the level of the third order IMD is reported.

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1999 IEEE MTT-S International Topical Symposium on Technologies for Wireless Applications (Cat. No. 99TH8390)

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