To the calculation of dispersion characteristics of a shielded microstrip line

A. N. Kovalenko; Коваленко А. Н.; A. D. Yarlykov; Ярлыков А. Д.

doi:10.31857/S0033849424080111

To the calculation of dispersion characteristics of a shielded microstrip line

Authors: Kovalenko A.N.¹, Yarlykov A.D.¹
Affiliations:
1. MIREA – Russian Technological University
Issue: Vol 69, No 8 (2024)
Pages: 809-816
Section: К 90-ЛЕТИЮ М.С. ЯРЛЫКОВА
URL: https://rjsvd.com/0033-8494/article/view/684812
DOI: https://doi.org/10.31857/S0033849424080111
EDN: https://elibrary.ru/HNRIAK
ID: 684812

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Abstract

Simple formulas are proposed that make it possible to calculate the dispersion characteristics of a microstrip line quickly and with high enough accuracy. The analytical expressions from which the deceleration coefficient and the wave resistance of the line are determined are presented in the form of rapidly converging series. The error in calculating the dispersion characteristics in a wide range of changes in the geometric and physical parameters of the line is investigated. The values of the parameters at which the error does not exceed 1% are determined.

Keywords

microstrip line, dispersion characteristics, deceleration coefficient, wave resistance, quasi-static approximation

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About the authors

A. N. Kovalenko

MIREA – Russian Technological University

Email: yarlykov@mirea.ru
Russian Federation, 78 Vernadsky Avenue, Moscow, 119454

A. D. Yarlykov

MIREA – Russian Technological University

Author for correspondence.
Email: yarlykov@mirea.ru
Russian Federation, 78 Vernadsky Avenue, Moscow, 119454

References

Коваленко А.Н. // РЭ. 2019. Т. 64. № 2. С. 108.
Коваленко А.Н., Ярлыков А.Д. // Рос. технол. журн. 2021. Т. 9. № 4. С. 68. https://www.rtj-mirea.ru/jour/article/view/345/277.
Коваленко А.Н., Ярлыков А.Д. // РЭ. 2022. Т. 67. № 11. С. 1096.
Градштейн И.С., Рыжик И.М. Таблицы интегралов, сумм, рядов и произведений. М.: Физматгиз, 1963.

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2. Fig. 1. Cross-section of a microstrip line: W is the width of the strip conductor; S/2 is the distance from the edge of the conductive strip to the side walls of the screen; h is the thickness of the substrate; a, b are the dimensions of the screen; ε is the relative permittivity of the substrate.