A novel compact defected ground structure (DGS) low pass filter

Abstract

This paper introduces new compact defected ground structure (DGS). The equivalent circuit parameters have been extracted using circuit analysis. The proposed DGS has smallest rectangular occupying area and it is 15.3 % more compact than the previously reported structure in the literature. A novel low pass filter has been designed using the etched radial slot and the proposed DGS. The LPF have sharp rejection in the stop band.