Design Of Compact Lowpass Filter with Wide Stopband using I-Shape
Journal Title: International Journal of Engineering Sciences & Research Technology - Year 30, Vol 3, Issue 3
Abstract
This paper presents a compact micro strip stepped-impedance low pass filter with ultra-wide stop band by using I-shape. Ground plane is etched with I shape. In this case, an wide stop band is achieved using Defected Ground Structures (DGSs) The proposed low pass filter with a cut-off frequency of 2 GHz. suppression level is 20 dB from 4 GHz up to 20 GHz. and the return loss is greater than 25 dB In comparison, with the the conventional SILPF. The proposed LPF has deeper stop band. The proposed low pass filter shows not only a size reduction but also a better stop band rejection. The simulated performance has obtained using IE3D software.
Authors and Affiliations
Manorma Kushwah*
Keywords
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