Effect of the Dimension of Feedline for the Enhancement of Bandwidth of Square Microstrip Antenna (original) (raw)

Advances in Intelligent Systems and Computing, 2018

Abstract

The need for the development of wideband microstrip antenna has been very well recognized. The present-day researchers are focused on developing novel design of microstrip antenna which would provide a good wideband. In this paper, the geometry of a microstrip antenna has taken to be square and feeding method also changed which is responsible for broadband. The antenna is fed with microstrip line by keeping a stub at source junction. It is done to improve the impendence bandwidth by the width of the structure of feedline adjustment is performed. This paper presents the study of a compact square antenna to operate in the frequency range of X-band from 8 to 12 GHz. The prototype planer antenna exhibits an overall wideband of bandwidth 560 MHz with a good reflection coefficient of −25 dB. This type of antenna is very useful in many broadband applications in X-band.

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