Design of A Dual-Band Sequential Power Amplifier

被引：0
|
作者：
Ren, Han [1 ]
Shao, Jin [1 ]
Zhou, Mi [1 ]
Arigong, Bayaner [1 ]
Ding, Jun [1 ]
Kim, Hyoung Soo [1 ]
Zhang, Hualiang [1 ]
机构：
[1] Univ North Texas, Dept Elect Engn, Denton, TX 76207 USA
来源：
2016 IEEE TOPICAL CONFERENCE ON POWER AMPLIFIERS FOR WIRELESS AND RADIO APPLICATIONS (PAWR) | 2016年
关键词：
Drain efficiency (DE); GaN; output back-off; sequential power amplifier (SPA); dual-band;
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, we present a dual-band Sequential Power Amplifier (SPA) to provide high efficiency at power back-offs and maximum output power at two working frequencies. The proposed SPA consists of a carrier amplifier, a peaking amplifier, a power divider and a combining coupler. The SPA provides 48 % and 62 % drain efficiency (DE) at 6 dB output back-off (OBO) and maximum output power at 1.1 GHz, and it also provides 52 % and 65 % DE at 6 dB OBO and maximum output power at 1.5 GHz. The designed SPA achieves above 39 dBm output powers at two working frequencies with about 10 dB gain and +/- 1 dB gain flatness.
引用
收藏
页码：33 / 35
页数：3
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