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Design and Development of Simple Rectangular Monopole Antenna for Wideband Operation

Kalpana Chikatwar, Boya Satyanarayana, Dr. S. N. Mulgi

This paper presents the design and development of simple rectangular monopole microstrip antenna (RMA) for wideband operation. The proposed antenna operates from 1.54 to 4.62GHz and gives an impedance bandwidth of 100% which is 32.46 times more than the impedance bandwidth of conventional rectangular microstrip antenna (CRMA). The RMAhas been realized from CRMA by modifying the microstripline feed of CRMA which further simplifies the geometry of RMA. The peak gain of RMAin its operating band is found to be 7.08 dB which is 3.35 times more than the peak gain of CRMA. The antenna characteristics such as return loss, radiation pattern etc. are discussed in this paper. This antenna may find the applications for WLAN and WiMAX.