Aperture coupling between adjacent layers using a new stripline geometry

Author

Herscovici, Naftali I. ; Das, Nirod K. ; Papatheodorou, Stelios ; Pozar, D.M.

Author_Institution

Seavey Eng. Assoc. Inc., Cohasset, MA, USA

Volume

5

Issue

1

fYear

1995

fDate

1/1/1995 12:00:00 AM

Firstpage

24

Lastpage

25

Abstract

The excitation of the parallel plate mode in stripline configurations is a serious concern in the design of multilayer feeding networks. Using either probes or slots as means of power transfer between adjacent layers, the parallel-plate is always excited, and to insure its suppression a considerable effort has to be made. This letter presents a new method to solve this problem by using striplines with two different dielectric substrates on the two sides of its center strip. By inserting a dielectric plug of a high dielectric constant, only in the vicinity of the source, the excitation of the parallel-plate mode is significantly suppressed. A microstrip-to-stripline-to-microstrip coupler was designed with the new plug configuration and tested to demonstrate this concept

Keywords

microstrip couplers; permittivity; strip line couplers; strip lines; adjacent layers; aperture coupling; center strip; dielectric plug; dielectric substrates; high dielectric constant; microstrip-to-stripline-to-microstrip coupler; mode suppression; multilayer feeding networks; parallel plate mode excitation; stripline geometry; Apertures; Dielectric substrates; High-K gate dielectrics; Microstrip; Nonhomogeneous media; Plugs; Probes; Stripline; Strips; Testing;

fLanguage

English

Journal_Title

Microwave and Guided Wave Letters, IEEE

Publisher

ieee

ISSN

1051-8207

Type

jour

DOI

10.1109/75.382371

Filename

382371