A Novel Method Using a Rectangular Groove to Reduce Far-End Crosstalk in Microstrip Lines Covered with a Dielectric Layer

Jaehyuk Lim, Seungjin Lee, Youngjin Jeong, Jaehoon Lee

Research output: Contribution to journalArticle

Abstract

Microstrip signal lines covered with a dielectric layer are used to reduce far-end crosstalk (FEXT) noise from adjacent lines. When minimizing FEXT noise, the permittivity of the dielectric layer should be higher than that of the substrate. When the permittivity is close to that of the substrate, the thickness of the covering dielectric layer is much larger than that of the substrate. We here present a novel means of reducing FEXT noise in microstrip lines covered with a dielectric layer using a rectangular (R)-shaped groove. When an R-shaped groove is created in the covering dielectric layer or substrate of the microstrip lines, FEXT noise is suppressed in the absence of the above conditions. To analyze the underlying mechanism, we studied the circuit parameters and electric field distribution in the microstrip lines. To confirm the improvements afforded by our methods, we compared simulated and measured data of our new structures to those of other structures.

Original languageEnglish
Article number8760486
Pages (from-to)93643-93652
Number of pages10
JournalIEEE Access
Volume7
DOIs
Publication statusPublished - 2019 Jan 1

Fingerprint

Microstrip lines
Crosstalk
Substrates
Permittivity
Electric fields
Networks (circuits)

Keywords

  • far-end crosstalk noise
  • Microstrip lines covered with a dielectric layer
  • rectangular groove

ASJC Scopus subject areas

  • Computer Science(all)
  • Materials Science(all)
  • Engineering(all)

Cite this

A Novel Method Using a Rectangular Groove to Reduce Far-End Crosstalk in Microstrip Lines Covered with a Dielectric Layer. / Lim, Jaehyuk; Lee, Seungjin; Jeong, Youngjin; Lee, Jaehoon.

In: IEEE Access, Vol. 7, 8760486, 01.01.2019, p. 93643-93652.

Research output: Contribution to journalArticle

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