Design of Miniature Ultrawideband Active Magnetic Field Probe Using Integrated Design Idea

被引：0

作者：

Zhou, Yang ^{[1
]}

Yan, Zhaowen ^{[1
]}

Ma, Zhangqiang ^{[1
]}

Zhao, Yang ^{[2
]}

Gao, Jie ^{[2
]}

Cheng, Ruiqi ^{[2
]}

Huang, Baocheng ^{[2
]}

机构：

[1] Beihang Univ, Sch Elect & Informat Engn, Beijing 100191, Peoples R China

[2] Beijing Smart Chip Microelect Technol Co Ltd, Beijing Engn Res Ctr High Reliabil IC Power Ind Gr, Beijing 102299, Peoples R China

来源：

SENSORS | 2023年 / 23卷 / 13期

关键词：

miniaturized; ultrawideband; magnetic; active probe; high sensitivity; near-field measurement; HIGH-SENSITIVITY;

D O I：

10.3390/s23136170

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

This article presents a miniature ultrawideband active magnetic probe which is composed of a passive structure and an active amplification circuit structure. The active circuit mainly contains two chips, specifically an amplification chip (HMC797APM5E) and a power management chip (HMC980LP4E). The maximum size of the probe is no more than 64 x 41.5 mm(2). Compared with the passive probe with the same-sized loop, the sensitivity of the proposed probe is enhanced by 25 dB through the active circuit design. The working frequency bandwidth of the proposed probe can cover 9 kHz to 18 GHz. Additionally, the flatness is about & PLUSMN;4 dB in terms of |S-21| in the stable working bandwidth. It is efficient for high-frequency near-field scanning.

引用

页数：16

共 44 条

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