Design and Analysis of Micro strip Circular Ring Band Stop Filter
Govardhani. Immadi1, M. Venkata Narayana2, A. Navya3, Y.D. S Sairam4, K. Shrimanth5

1Govardhani. Immadi, Department of ECE, KLEF, Guntur (Andhra Pradesh), India.
2M. Venkata Narayana, Department of ECE, KLEF, Guntur (Andhra Pradesh), India.
3A. Navya, Department of ECE, KLEF, Guntur (Andhra Pradesh), India.

Manuscript received on 18 April 2019 | Revised Manuscript received on 25 April 2019 | Manuscript published on 30 April 2019 | PP: 788-790 | Volume-8 Issue-4, April 2019 | Retrieval Number: D6291048419/19©BEIESP
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© The Authors. Blue Eyes Intelligence Engineering and Sciences Publication (BEIESP). This is an open access article under the CC-BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/)

Abstract: A Microstrip circular ring band stop filter has been designed by using An-soft HFSS. This filter has five controllable stopbands at different frequencies 5.2GHz, 7.5GHz, 8.9GHz, 11.4GHz, 12.5GHz respectively. The return loss of the band stop filter are -37.1499, -25.0593, -32.1480, -22.9698 and -33.3195 dB while the insertion loss of the band stop filter are -0.5600, -0.4747, -0.6096, -.05885 and -0.6745 dB at the separate stop bands. This Filter is designed by using RT/Duroid 6002 with a thickness of 0.508mm. Band stop channels are structured from numerous points of view, yet we are utilizing micro strip because of the least assembling expense and weight.
Keywords: Band Stop Filter (BSF), Multi Band Filter, Return Loss.

Scope of the Article: Frequency Selective Surface