To the calculation of dispersion characteristics of a shielded microstrip line

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Resumo

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.

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Sobre autores

A. Kovalenko

MIREA – Russian Technological University

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

A. Yarlykov

MIREA – Russian Technological University

Autor responsável pela correspondência
Email: yarlykov@mirea.ru
Rússia, 78 Vernadsky Avenue, Moscow, 119454

Bibliografia

  1. Коваленко А.Н. // РЭ. 2019. Т. 64. № 2. С. 108.
  2. 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.
  3. Коваленко А.Н., Ярлыков А.Д. // РЭ. 2022. Т. 67. № 11. С. 1096.
  4. 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.

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3. Fig. 2. Graphs of the dependence of the coefficients ξn and ξZ on the ratio W/h for different values ​​of the substrate dielectric constant ε.

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