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Tri-band bandpass filter with transmission zeros between each band using a combination of dual step and tri-step SIR

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5 Author(s)
Ghatak, R. ; ECE Dept., Nat. Inst. of Technol. Durgapur, Durgapur, India ; Pal, M. ; Sarkar, P. ; Aditya, A.K.
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A compact tri band bandpass filter (BPF) using a combination of half wavelength tri-section and dual section stepped impedance resonators is presented, which has a triple pass band at 2.45 GHz, 3.5 GHz and 5.5 GHz respectively. The passband bandwidth is suitable for WiMAX and WLAN application. Insertion loss within each of the bands is less than 2 dB. The overall filter dimension is 38 by 36.5 mm.

Published in:

Applied Electromagnetics Conference (AEMC), 2011 IEEE

Date of Conference:

18-22 Dec. 2011