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Compact WLAN notched ultra-wideband band pass filter

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Title Compact WLAN notched ultra-wideband band pass filter
 
Creator S, Ramkumar
R, Boopathi Rani
 
Subject Half wave line
Harmonic suppression
Microwave filter
Microstrip
Wide stop band
 
Description 74-79
This paper has investigated WLAN notched Ultra-Wide Band (UWB) Band Pass Filter with a wide upper stop band. The
proposed design has folded half-wave line that has been incorporated in between slot line resonators. Designed UWB band
pass filter has 3-dB cut-off frequencies at 3.2 GHz and 10.1 GHz with a notched band from 5.1 GHz to 5.4 GHz. Return loss
and insertion loss in the first pass band have been greater than 12 dB and less than 1.5 dB. These have been greater than
25 dB and lesser than 1.8 dB in the second pass band. In the upper transition edge, an introduced filter has accomplished
pointed roll-off with attenuation of 62 dB, wide stop band with the rejection of 20 dB till 12 GHz, and greater than 17 dB
from 12 GHz to 18 GHz. Higher-order harmonics have been suppressed through quarter wavelength open stubs. The overall
size of the filter is 27 x 9 x 0.8 mm3.
 
Date 2021-12-28T09:40:59Z
2021-12-28T09:40:59Z
2021-06
 
Type Article
 
Identifier 0975-105X (Online); 0367-8393 (Print)
http://nopr.niscair.res.in/handle/123456789/58758
 
Language en
 
Publisher NIScPR-CSIR, India
 
Source IJRSP Vol.50(2) [June 2021]