Lumped Reflection-type Phase-shifter for Sub-6 GHz application

被引：0
|
作者：
Chang, Chia-Hung [1 ]
Tuan, Shih-Chung [2 ]
Tai, Tse Sheng [3 ]
机构：
[1] Natl Yunlin Univ Sci & Technol, Dept Elect Engn, Touliu, Yunlin, Taiwan
[2] Oriental Inst Technol, Dept Commun Engn, Taipei, Taiwan
[3] Feng Chia Univ, Dept Elect Engn, Taichung, Taiwan
来源：
2021 INTERNATIONAL SYMPOSIUM ON ANTENNAS AND PROPAGATION (ISAP) | 2021年
关键词：
phase shifter; reflection type; lumped coupler; bandwidth;
D O I：
暂无
中图分类号：
TN [电子技术、通信技术];
学科分类号：
0809 ;
摘要：
This paper investigates the bandwidth/phase extension for a reflection-type phase-shifter, which comprises a lumped 3 dB branch-line coupler and reflective load. A broadband 90 degrees coupler is designed and compared to conventional narrowband lumped coupler. Furthermore, the impact on deviation of relative phase tunning range of the phase shifter applied by reflective loads is observed for sub-6 GHz application. Experimental result showed that the operating bandwidth of the reflection-type phase shifter is maintained while the relative deviation of phase variation can be lower than +/- 10 degrees at desired frequency band.
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页数：2
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