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Enhancement of Microstrip Stepped-impedance Low-pass Filters Using Fractal-shapes

Microstrip stepped-impedance low-pass filters using fractal shapes, such as Koch islands and Sierpinski carpets, are proposed for the first time. Conventional stepped-impedance low-pass filters are very popular, due to their ease of implementation in either microstrip or coplanar technology. However, to achieve a low-pass filter with high stopband performance,...
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