Testing of Passive Intermodulation Based on an Ultrawideband Dual-Carrier Nulling

被引：1

作者：

Zhu, Chengkai ^{[1
]}

Chen, Zhenyu ^{[1
]}

Zhang, Bin ^{[1
]}

Wang, Xinbo ^{[2
]}

Cui, Wanzhao ^{[2
]}

Li, Yun ^{[2
]}

Zhu, Zhongbo ^{[2
]}

Li, Xiaojun ^{[2
]}

Wang, Jun ^{[3
]}

Wu, Song ^{[3
]}

Ran, Lixin ^{[1
]}

机构：

[1] Zhejiang Univ, Lab Appl Res Electromagnet ARE, Hangzhou 310027, Peoples R China

[2] Natl Key Lab Sci & Technol Space Microwave, Xian 710100, Peoples R China

[3] Inst Beijing Electromech Engn, Beijing 100074, Peoples R China

来源：

IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES | 2022年 / 70卷 / 08期

基金：

中国国家自然科学基金;

关键词：

Radio frequency; Ultra wideband technology; Microwave communication; Wideband; Testing; Receivers; Microwave devices; Baseband (BB); nulling; passive intermodulation (PIM); radio frequency (RF); ultrawideband; DISTORTION;

D O I：

10.1109/TMTT.2022.3186362

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：

The occurrence of passive intermodulation (PIM) is inevitable in high-power microwave devices. It interferes with wireless communication and radar systems, resulting in severe deterioration of receiving performance. So far, narrowband PIM analyzers have been realized for different business bands. However, they are incapable of testing wideband systems. To solve this problem, rack-mounted analyzers piled with multiple narrowband analyzers were implemented. While such solutions significantly increase the volume, cost, and power consumption, they cannot provide a wide, continuous bandwidth for PIM localizations. Aiming to solve this problem, we propose a novel solution for realizing ultrawideband PIM analyzers. Based on the principle of cooperative radio frequency and baseband (RF-BB) nulling, we demonstrate an experimental prototype working within a continuous frequency band covering three octaves, exhibiting promising potential in PIM testing applications.

引用

页码：4017 / 4025

页数：9

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