| 摘要: |
| 介绍了一种2.14GHz的高线性微波功率放大器,可用于第三代移动通信基站和其他通信系统。采用了功率回退法和前馈法,使本功率放大器的三阶交调优于51dBc。介绍了采用功率回退法的主功率放大器的设计方法和采用前馈法使功放的三阶交调改善10dBc的设计和实现。 |
| 关键词: 第三代移动通信,基站,微波功率放大器,线性度,功率回退法,前馈法 |
| DOI：10.3969/j.issn.1001-893X. |
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| 基金项目: |
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| Design and Realization of a High Linearity Microwave Power Amplifier Used in 3G |
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| Abstract: |
| This paper introduces a 2.14GHz microwave power amplifier with high linearity which can be used in 3G base station or other communication systems. Using power back and feedforward methods , the IM_3 of this power amplifier is better than 51 dBc.This paper describes the design method of main power amplifier with power back and design method of feedforward circuit which improves the IM_3 of the power amplifier from 41dBc to 51dBc. |
| Key words: 3G,Base station,Microwave power amplifier,Linearity,Power back,Feedforward |
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