A simple RF power amplifier characterization using AM-AM, AM-PM measurements based on CDMA signal statistics

被引：0
|
作者：
Arnò, P [1 ]
Launay, F [1 ]
Fournier, JM [1 ]
Grasset, JC [1 ]
机构：
[1] STMicroelect, F-38019 Grenoble 1, France
来源：
34TH EUROPEAN MICROWAVE CONFERENCE, VOLS 1-3, CONFERENCE PROCEEDINGS | 2004年
关键词：
adjacent channel power ratio (ACPR); AM-AM and AM-PM curves; nonlinear modeling; power amplifiers and probability density function;
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：
In this paper, a simple and time saving method to characterize RF power amplifiers involved in CDMA systems is proposed. The presented technique is based on only few continuous wave (CW) measurements selected in relation to a statistical analysis of the dynamic input power. A complex power series model, extracted from these measurements, is used to predict ACPR. Using a CDMA2000 test signal, the amplifier ACPR estimated with this method is in good agreement with direct spectrum measurement. Consequently, the proposed method allows an accurate and complete amplifier distortion characterization, which is less expensive and less time consuming than dynamic characterization or complete CW measurements.
引用
收藏
页码：693 / 696
页数：4
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