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In this paper, a novel ultra-wide band (UWB) bandpass filter(BPF) based on combined technology has been detailed researched. The proposed filter is constructed by composite right/left handed transmission line (CRLH TL) and Sierpinski carpet shaped six-staged stepped impedance lines for the first time. CRLH TL are mainly consists of Koch loop shaped defected ground structure (KDGS) etched in the ground...
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