A 28.1dBm class-D outphasing power amplifier in 45nm LP digital CMOS

被引：0
|
作者：
Xu, H. [1 ]
Palaskas, Y. [1 ]
Ravi, A. [1 ]
Sajadieh, M. [1 ]
Elmala, M. [1 ]
Soumyanath, K. [1 ]
机构：
[1] Intel Corp, Commun Circuits Lab, Hillsboro, OR 97124 USA
来源：
2009 SYMPOSIUM ON VLSI CIRCUITS, DIGEST OF TECHNICAL PAPERS | 2009年
关键词：
outphasing; WiMAX; power amplifier; class-D;
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：
A 2.25GHz outphasing power amplifier is implemented in a 45nm LP digital CMOS process. The PA is designed in class-D mode for low output impedance and good linearity. The PA delivers 28.1dBm peak CW power with 19.7% system efficiency (includes all drivers). Average OFDM power is 21.4/20.3dBm with efficiency 8.0/6.5% when transmitting WiFi/WiMAX signals respectively.
引用
收藏
页码：206 / 207
页数：2
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