Analysis of slot-loaded rectangular microstrip patch antenna

In the present paper, the analysis of a slot-loaded rectangular microstrip patch antenna using equivalent circuit concept is presented. The slot is taken as a capacitive reactance on the patch. It is found that the resonance frequency decreases with increasing slot width for a given slot length. The...

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Bibliographic Details
Published in:Indian journal of radio & space physics 2005-12, Vol.34 (6), p.424-430
Main Authors: Shivnarayan, Sharma, Shashank, Vishvakarma, Babau R
Format: Article
Language:English
Online Access:Get full text
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Summary:In the present paper, the analysis of a slot-loaded rectangular microstrip patch antenna using equivalent circuit concept is presented. The slot is taken as a capacitive reactance on the patch. It is found that the resonance frequency decreases with increasing slot width for a given slot length. The decrease in the resonance frequency is in the higher side for longer slot length, whereas it is on the minimum side for the lower slot length. It is found that VSWR remains almost invariant with slot width and slot length. The impedance increases almost linearly with the slot width, but inversely with the slot length.
ISSN:0367-8393