Coupled microstrip parallel-gap model for improved filter and coupler design

12 May 1983

journal article
Published by Institution of Engineering and Technology (IET) in Electronics Letters

Vol. 19 (10) , 377-379
https://doi.org/10.1049/el:19830261

Abstract

The parallel gap formed by the open end of a section of coupled microstrip lines is described analytically by its even and odd mode equivalent fringing field lengths. These are given as functions of line width, gap width and substrate dielectric constant. The use of these parameters in filter and coupler design is outlined briefly.

Keywords

PARALLEL GAP MODEL
LINE WIDTH
PASSIVE FILTERS
COUPLED MICROSTRIP LINES
FRINGING FIELD LENGTHS
MICROWAVE FILTER DESIGN
GAP WIDTH
COUPLER DESIGN
ODD MODE
WAVEGUIDE THEORY
OPEN-ENDED SECTION
SUBSTRATE DIELECTRIC CONSTANT
EVEN MODE
DISTRIBUTED PARAMETER NETWORKS

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