Young Bin Cho, Kye Suk Jun and Ihn S. Kim, Kyung Hee University; Byung Soo Kim, Shinsung College

Small-sized Quasi-elliptic Function Microstrip Low Pass Filter Based on Defected Ground Structures and Open Stubs

In this article, a microstrip structure for a small-sized elliptic function low pass filter (LPF) is developed from a modified dumbbell-shaped defected ground structure (DGS) and additional open stubs. The steps taken in developing the structure are pr...

February 28, 2004

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Defected ground structures (DGS) etched in the metallic ground plane of microstrip lines, also known as photonic bandgap (PBG) structures, are attractive to obtain unwanted frequency rejection and circuit size reduction. Research on the PBG was originally carried out in the optical regime 1,2 and has recently started with...

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