Design of feedforward linear power amplifier

被引：0
|
作者：
Liao, L [1 ]
Chu, QX [1 ]
Zeng, QF [1 ]
机构：
[1] S China Univ Technol, Coll Elect & Informat Engn, Guangzhou 510640, Peoples R China
来源：
2004 4TH INTERNATIONAL CONFERENCE ON MICROWAVE AND MILLIMETER WAVE TECHNOLOGY PROCEEDINGS | 2004年
关键词：
feed-forward; linear; power amplifier; adaptive; look-up-table;
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 describes a control way of adaptive + lookup table for feed forward power amplifier, which can be used in the system of cdma 2000. Steepest descent algorithm is used for the control of the first loop, in the second loop we use the method of look up table, which is relevant with temperature. The amplifier's output is 45dBm, its IMD3 are less than -62 dBc. Test it with the signal of cdma 2000, we can see its ACPR is better than -54dB@750kHz, -7ldB@1.98MHz.
引用
收藏
页码：519 / 522
页数：4
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