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We present characteristics of seven types of simple and complex defected ground structures (DGS) slot to realize the quasi-lumped inductance. A simple DGS follows the Butterworth type response; whereas a complex DGS has quasi-elliptic response. The response of DGS has strong influence on the performance of a 5-pole Chebyshev type low-pass filter (LPF). We present a systematic design process to realize...
This paper presents a simple technique to design the seven poles low pass filter using defected ground structure (DGS) having better than -20 dB rejection up to 8fc. The proposed low pass filter (LPF) does not have any, discontinuity elements and the repeated high low impedance lines, which are essential for design of conventional LPF. Only DGS patterns and one capacitive transmission line used for...
This paper presents a new design method of compact five poles low pass filter using defected ground structure (DGS). The proposed low pass filter (LPF) is designed for 2.5 GHz cut off frequency having better than -25 dB rejections up to 3.36 fc. It does not have any, discontinuity elements and the repeated high low impedance lines, which are essential for the design of conventional LPF. Only DGS patterns...
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