A DC-Ka-Band 7-Bit Passive Attenuator With Capacitive-Compensation-Based Bandwidth Extension Technique in 55-nm CMOS

被引：21

作者：

Zhang, Zijiang ^{[1
,2
,3
]}

Li, Nayu ^{[1
,2
,3
]}

Gao, Huiyan ^{[1
,2
,3
]}

Li, Min ^{[1
,2
,3
]}

Wang, Shaogang ^{[1
,2
,3
]}

Kuan, Yen-Cheng ^{[4
,5
]}

Song, Chunyi ^{[1
,2
,3
]}

Yu, Xiaopeng ^{[6
]}

Gu, Qun Jane ^{[7
]}

Xu, Zhiwei ^{[1
,2
,3
]}

机构：

[1] Zhejiang Univ Zhoushan, Ocean Coll, Inst Marine Elect & Intelligent Syst, Zhoushan 316021, Peoples R China

[2] Minist Educ, Engn Res Ctr Ocean Sensing Technol & Equipment, Zhoushan 316021, Peoples R China

[3] Key Lab Ocean Observat Imaging Testbed Zhejiang P, Zhoushan 316021, Peoples R China

[4] Natl Yang Ming Chiao Tung Univ, Int Coll Semicond Technol, Hsinchu 30010, Taiwan

[5] Natl Chiao Tung Univ, Int Coll Semicond Technol, Hsinchu 30010, Taiwan

[6] Zhejiang Univ, Coll Informat Sci & Elect Engn, Inst VLSI Design, Hangzhou 310027, Peoples R China

[7] Univ Calif Davis, Dept Elect & Comp Engn, Davis, CA 95616 USA

来源：

IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES | 2021年 / 69卷 / 08期

基金：

中国国家自然科学基金;

关键词：

Bandwidth extension; bridge-T type; capacitive compensation; high resolution; low insertion loss (IL); pi type; wideband passive attenuator; DISTRIBUTED STEP ATTENUATOR; LOW-PHASE-IMBALANCE;

D O I：

10.1109/TMTT.2021.3074635

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 presents a 7-bit wideband passive attenuator with low insertion loss (IL) and high attenuation accuracy in 55-nm CMOS technology. The pi-type and bridge-T-type attenuation units utilize an effective capacitive compensation technique, whose bandwidth extension mechanism is detailed in a single-unit pole-zero analysis. The matching-induced performance deterioration is investigated to minimize amplitude and phase errors at the chip level. The fabricated attenuator demonstrates a 32.4-dB attenuation range with a 0.255-dB resolution and a 3.5-8.4-dB IL from dc to 32 GHz. The measured root-mean-square (rms) amplitude and phase errors are below 0.32 dB and 5.33 degrees, respectively. The attenuator occupies a 0.054-mm(2) core area and consumes negligible power.

引用

页码：3861 / 3874

页数：14

共 3 条

[1] A DC-32GHz 7-Bit Passive Attenuator with Capacitive Compensation Bandwidth Extension Technique in 55 nm CMOS
Zhang, Zijiang
Li, Nayu
Gao, Huiyan
Li, Min
Wang, Shaogang
Kuan, Yen-Cheng
Yu, Xiaopeng
Xu, Zhiwei
PROCEEDINGS OF THE 2020 IEEE/MTT-S INTERNATIONAL MICROWAVE SYMPOSIUM (IMS), 2020, : 1303 - 1306
[2] A DC-28-GHz 7-Bit High-Accuracy Digital-Step Attenuator in 55-nm CMOS
Li, Nayu
Zhang, Zijiang
Li, Min
Gao, Huiyan
Wang, Shaogang
Song, Chunyi
Xu, Zhiwei
IEEE MICROWAVE AND WIRELESS COMPONENTS LETTERS, 2022, 32 (02) : 157 - 160
[3] A S/C-Band 5-Bit Passive Attenuator With Phase-Lead Compensation in 55-nm Bulk CMOS
Ma, Genyin
Meng, Fanyi
Wang, Keping
Ma, Kaixue
Yeo, Kiat Seng
IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS II-EXPRESS BRIEFS, 2024, 71 (03) : 1082 - 1085

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