• MAMATHA S
• Dr. H. C. Srinivasaiah

In this work, a micro strip antenna is designed and fabricated for dual band application at a low band (LB), 821.5 MHz, and at a high band (HB), 2.35 GHz. The design of this dual band micro strip antenna is done using the CST EM simulation tool. The simulated values of these two parameters (i.e. VSWR and RL) in LB are 1.194 and RL=-20.85dB, respectively. The same parameters in HB are 1.63,-13.68 dB respectively. Subsequently this design is fabricated and tested in laboratory yielding, LB, VSWR=2.02, with the corresponding return loss (RL) = -10.05dB, and the same for HB are 1.79, and -10.92 dB respectively. To achieve multiband operations multiple dipole arms for corresponding high frequency (HF) band of operation aligned at random angle on flip side. The fabricated antenna meets the targeted performance with achievable bandwidth of 7.5%. The simulated to fabricated VSWR value is within -69.5% for LB and -9.8% in HB, respectively. The simulated to the fabricated RL LB is 51.79% and -20.175% in HB respectively.

Multiband micro strip antenna, dual band antenna, VSWR, and return loss.

"Micro strip dipole antenna for dual band applications", International Journal of Emerging Technologies and Innovative Research (www.jetir.org), ISSN:2349-5162, Vol.6, Issue 6, page no.377-379, June-2019, Available :http://www.jetir.org/papers/JETIR1906344.pdf

"Micro strip dipole antenna for dual band applications", International Journal of Emerging Technologies and Innovative Research (www.jetir.org | UGC and issn Approved), ISSN:2349-5162, Vol.6, Issue 6, page no. pp377-379, June-2019, Available at : http://www.jetir.org/papers/JETIR1906344.pdf