An X-Band MMIC HBT High Efficiency Power Amplifier with Lossless Feedback Technique

被引：0
|
作者：
Tsai, Zuo-Min [1 ]
Lin, Kun-You [2 ]
Wang, Huei [2 ]
机构：
[1] Natl Chung Cheng Univ, Dept Elect Engn, Chiayi, Taiwan
[2] Natl Taiwan Univ, Grad Inst Commun Engn, Taipei, Taiwan
来源：
2016 IEEE INTERNATIONAL SYMPOSIUM ON RADIO-FREQUENCY INTEGRATION TECHNOLOGY (RFIT) | 2016年
关键词：
Feedback; power amplifier; MMIC; HBT;
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 10-GHz MMIC power amplifier (PA) using a lossless feedback (FB) technique for unilateralized device to achieve optimal output power and improve return loss at the same time is implemented in 2 mu m GaAs HBT. Compared with the conventional common emitter (CE) PA, the gain of the FB PA is improved from 8 to 12.7 dB, and the PAE is improved from 35.6% to 41%. This FB power amplifier has 26.1 dBm output power, which is the same level as the conventional CE power amplifier. However, the FB power amplifier is more sensitive to the process variation than the CE power amplifier.
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页数：3
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