Performance Estimation of Fully Digital Polar Modulation driving a 2 GHz Switch-Mode Power Amplifier

被引：0
|
作者：
Ostrovskyy, Philip [1 ]
Scheytt, J. Christoph [1 ]
Sadeghfam, Arash
Heuermann, Holger
机构：
[1] IHP, Frankfurt, Oder, Germany
来源：
2012 42ND EUROPEAN MICROWAVE CONFERENCE (EUMC) | 2012年
关键词：
sigma-delta modulation; digital-to-RF converter; switch-mode amplifier; polar transmitter; ARCHITECTURE;
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 a fully digital transmitter architecture based on a digital polar modulator (DPM) and switch-mode power amplifier (SMPA). A simple method for comparison and estimation of different digital modulation techniques for SMPA is described. An estimation of the proposed digital polar modulator properties was done by means of a 2.1..2.2 GHz class-F power amplifier. For a CDMA signal with 9.5 dB peak-to-average power ratio (PAPR), the class-F based amplifier module driven by DPM pulse train shows more than 1 W output power and more than 10 % of drain efficiency.
引用
收藏
页码：1039 / 1042
页数：4
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