Abstract:This paper introduces the design and analysis of a compact bandpass with sharp attenuation. The filter topology employs three different cells of a bisected-Π/Π configuration of a negative refractive index metamaterial transmission line. The filter centre frequency is 3.65 GHz, and its 3 dB cutoff frequencies are 2.55 GHz and 4.6 GHz (57% fractional bandwidth). The filter attenuation increases to 20 dB in only 100 MHz (at 4.7 GHz). Moreover, the filter has only 0.2 dB insertion loss within the passband. The fil… Show more
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