Method to Change the Through-Hole Structure to Broaden Grounded Coplanar Waveguide Bandwidth-Reference-Cited by-同舟云学术

Method to Change the Through-Hole Structure to Broaden Grounded Coplanar Waveguide Bandwidth

Published:2023-04-27 Issue:9 Volume:23 Page:4342
ISSN:1424-8220
Container-title:Sensors
language:en
Short-container-title:Sensors

Author:

Zhu Jiangmiao¹,Wan Zhaotong¹,Zhao Kejia²

Affiliation:

1. Faculty of Information Technology, Beijing University of Technology, Beijing 100024, China

2. National Institute of Metrology, Beijing 100029, China

Abstract

A grounded coplanar waveguide (GCPW), as a millimeter wave special transmission line, can be used to calibrate broadband oscilloscope probes. A method to change the through-hole structure to widen the GCPW is investigated in this paper. The effect of the through-hole array on the band-width of the GCPW is investigated and verified using COMSOL Multiphysics simulation software. Finally, the S-parameters of the fabricated GCPWs are measured by a vector network analyzer, and the results show that they have an insertion loss > −3 dB and return loss < −10 dB in the frequency range of DC to 60 GHz, which satisfies the design requirements.

Publisher

MDPI AG

Subject

Electrical and Electronic Engineering,Biochemistry,Instrumentation,Atomic and Molecular Physics, and Optics,Analytical Chemistry

Link

https://www.mdpi.com/1424-8220/23/9/4342/pdf

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