Abstract
In recent years, antenna and its feed system in wireless communications need to be inexpensive and ease of fabrication. Using stub wideband antenna with frequency notched function at Industrial, Scientific and Medical (ISM) band is designed with novelty. Coplanar Waveguide (CPW) fed ring antenna is designed using Advanced Design System (ADS) software by means of several parametric studies and fabricated using wet etching method of fabrication. The resultant antenna is working at short communication such as ISM band frequency 2.45GHz FR4 Glass Epoxy material is used as a substrate. Even though it produces low bandwidth signal, using stub the bandwidth is slightly improved up to 100MHz. The return loss characteristics is less than −10dB level.
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