2022•INTERANTIONAL JOURNAL OF SCIENTIFIC RESEARCH IN ENGINEERING AND MANAGEMENTOpen access

A NOVEL COUPLED LINE COUPLER WITH DEFECTIVE GROUND STRUCTURE (DGS)

IJSREM Journal

Abstract

This paper examines the development of a 10 dB directionally coupled line coupler with defective ground structure (DGS) using HFSS design tool. The coupler operates in the 4 GHz to 6 GHz frequency range with a high directivity of 46 dB. compared to conventional coupled line coupler and S parameters are calculated. Design optimization is performed in HFSS to meet required specifications. Key Words: Branch Line Coupler, DGS, S parameters

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Key concepts: HFSS, Directivity, Hybrid coupler, Line (geometry), Rat-race coupler, Transmission line, Electronic engineering, Computer science