A CMOS Power Amplifier Using Power Combination for 3.5GHz Mobile WiMAX Subscriber Applications

被引：0
|
作者：
Pan, Renjing [1 ]
Gu, Jiangmin [1 ]
Lim, Kok Meng [1 ]
Yeo, Kiat Seng [1 ]
Ma, Kaixue [1 ]
Wang, Keping [1 ]
机构：
[1] Nanyang Technol Univ, Singapore 639798, Singapore
来源：
2011 INTERNATIONAL CONFERENCE OF ELECTRON DEVICES AND SOLID-STATE CIRCUITS (EDSSC) | 2011年
关键词：
CMOS; power amplifier; power combination; WiMAX;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
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 P-O1dB (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' 0.18 mu m IC process.
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页数：2
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