An X-Band Full-360° Reflection Type Phase Shifter with Low Insertion Loss

被引：0

作者：

Li, Wei-Tsung ^{[1
]}

Kuo, Yen-Hung ^{[1
]}

Wu, Yi-Ming ^{[1
]}

Cheng, Jen-Hao ^{[1
]}

Huang, Tian-Wei ^{[1
]}

Tsai, Jeng-Han ^{[2
]}

机构：

[1] Natl Taiwan Univ, Dept Elect Engn, Taipei 10764, Taiwan

[2] Natl Taiwan Normal Univ, Dept Appl elect Technol, Taipei, Taiwan

来源：

2012 42ND EUROPEAN MICROWAVE CONFERENCE (EUMC) | 2012年

关键词：

reflection load; reflection-type phase shifter; X-band; Lange coupler; 0.18-MU-M CMOS;

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：

An X-band reflection-type phase shifter (RTPS) with full 360 degrees continuous phase shift, low insertion loss, and low gain deviation using standard 0.15-mu m HEMT process is demonstrated in this paper. Two circuit implementation techniques are employed: pi-type reflection loads and folded Lange coupler. The pi-type reflection loads and the folded Lange coupler are utilized in one stage reflection-type phase shifter to cover more than 180 degrees phase tuning. Cascade of two stage RTPS is adopted to achieve 360 degrees phase tuning. Measurements show signal losses of 6.4dB +/- 1.4dB including pad loss, low gain deviation of 0.8 dB, and a 360 degrees continuously tunable range across 11 similar to 13 GHz with 0-mW dc power consumption. To the best of our knowledge, the proposed phase shifter has the highest FOM of 46.2(degrees/dB), among all reported 360 degrees X-band CMOS phase shifters.

引用

页码：1134 / 1137

页数：4

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