Topology selection of switch-type phase shifter units for wideband Ka-band 5-bit phase shifter with low RMS errors

被引：0
|
作者：
Lin, Yen-Heng [1 ,5 ]
Tsai, Zuo-Min [2 ,3 ,4 ]
机构：
[1] Natl Chung Cheng Univ, Dept Elect Engn, Chiayi, Taiwan
[2] Natl Yang Ming Chiao Tung Univ, Inst Commun Engn, Coll Elect & Comp Engn, Hsinchu, Taiwan
[3] Natl Yang Ming Chiao Tung Univ, Ctr mmWave Smart Radar Syst & Technol, Hsinchu, Taiwan
[4] 1001 Univ Rd, Hsinchu 300, Taiwan
[5] 168 Univ Rd, Min Hsiung 621, Chiayi, Taiwan
来源：
MICROWAVE AND OPTICAL TECHNOLOGY LETTERS | 2022年 / 64卷 / 02期
关键词：
CMOS; ka-band; MMIC; phase shifters; switch-type; CMOS;
D O I：
10.1002/mop.33083
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 article discusses different topologies of switch-type phase shifter units and the effects of such units on phase accuracy and loss variation for wideband operation. It is observed that the optimal selection of topology depends on the value of phase shift. This article discusses a Ka-band 5-bit switch-type phase shifter MMIC with T-type high-pass topology, T-type low-pass topology, and high-pass/low-pass switched-path-type topology. This circuit was implemented through a 65-nm CMOS process. This phase shifter has low RMS phase error of 2.4 degrees-6.2 degrees and low RMS amplitude error of 0.48-0.66 dB over the 32-41 GHz.
引用
收藏
页码：259 / 264
页数：6
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