一种用于3.5GHz移动WiMAX用户应用的CMOS功率放大器

2011 IEEE International Conference of Electron Devices and Solid-State Circuits Pub Date : 2011-12-29 DOI:10.1109/EDSSC.2011.6117643

Renjing Pan, J. Gu, K. M. Lim, K. Yeo, Kaixue Ma, Keping Wang

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引用次数: 0

摘要

本文介绍了一种用于3.5GHz移动WiMAX用户站的射频CMOS功率放大器的设计与分析。通过在输出级采用四级功率组合技术，这种新型放大器能够在输入功率为2.7dBm时提供+32dBm的功率。在其PO1dB(输出1dB压缩点)和+25dBm输出功率下，PAE(功率附加效率)分别为48.24%和15.2%。饱和功率可达+33.5 dBm。该功率放大器由3.3伏直流电源供电，功率增益为35.8dB。仿真结果表明，该设计完全适用于3.5GHz移动WiMAX用户应用。该功率放大器基于Globalfoundries的0.18µm集成电路工艺。

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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A CMOS power amplifier using power combination for 3.5GHz mobile WiMAX subscriber applications

This paper presents the design and analysis of a RF CMOS power amplifier for 3.5GHz mobile WiMAX subscriber station applications. By using four-stage power combination technique at output stage, this new amplifier is able to deliver +32dBm power at input power of •2.7dBm. A PAE (power-added-efficiency) of 48.24% and 15.2% can be obtained at its PO1dB (output 1dB compression point) and +25dBm output power, respectively. A saturated power of +33.5 dBm can be achieved. Powered by a 3.3 Volt DC supply, this proposed power amplifier offers a power gain of 35.8dB. The simulation results show that this design can be fully adopted in 3.5GHz mobile WiMAX subscriber applications. The presented power amplifier is based on Globalfoundries' 0.18µm IC process.

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2011 IEEE International Conference of Electron Devices and Solid-State Circuits

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