Circuit Model of Parallel Corrugated Transmission Lines for Differential Signal Propagating in Microwave Band

Autor: Chia Ho Wu, Guobing Zhou, Jenh-Yih Juang, Qian Shen, Yun You, Jinhua Yan, Linfang Shen, Hang Zhang, Yu Wu, Fangming Zhu, Chin Chih Chang
Jazyk: angličtina
Rok vydání: 2020
Předmět:
Zdroj: IEEE Access, Vol 8, Pp 221783-221793 (2020)
Druh dokumentu: article
ISSN: 2169-3536
DOI: 10.1109/ACCESS.2020.3044322
Popis: A viable wide-band circuit model of parallel corrugated differential transmission line is established. By solving for the even- and odd-modes in this structured differential transmission line, the equivalent capacitance, inductance, resistance, and conductance per unit length are calculated, then the characteristic impedances of differential and common signals are obtained. The S-parameters obtained from the equivalent circuit model agree well with the full-wave simulation results with a deviation of only about 0.036 dB in the frequency range of 10 GHz. Experimentally, the characteristic impedances are measured for the differential and common signals using a time domain reflectometer (TDR). The deviation between the experimental and theoretical results was less than 1.05%. Based on the equivalent circuit model, it is feasible to implement this type of structured differential line directly into real circuits.
Databáze: Directory of Open Access Journals