Planar elliptic function lowpass filter with sharp roll-off and wide stopband

Raphika P. M.; Abdulla P.; Jasmine P. M.

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Planar elliptic function lowpass filter with sharp roll-off and wide stopband

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摘要

A compact planar elliptic function lowpass filter with sharp roll-off at 20 dB attenuation level and wide stopband using microstrip stepped-impedance polygonal patch resonators is developed and investigated. Electromagnetic simulation is used to optimize the performance of the filter. The filter using cascaded multiple patch resonators provides a very sharp attenuation near cutoff frequency with a high stopband suppression level. The rejection bandwidth is enhanced by introducing additional transmission zeroes and the results are validated by the experiment. The filter has a compact size of 17.6 mm x 12.2 mm. (c) 2016 Wiley Periodicals, Inc. Microwave Opt Technol Lett 58:133-136, 2016

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《Microwave and optical technology letters》 |2016年第1期|133-136|共4页
作者
Raphika P. M.; Abdulla P.; Jasmine P. M.;
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作者单位

Cochin Univ Sci & Technol, Sch Engn, Div Elect & Commun, Kochi 682022, Kerala, India;

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原文格式 PDF
正文语种英语
中图分类光学;
关键词
compact lowpass filter; patch resonator; sharp roll-off rate; stepped-impedance resonator; wide stopband filter;

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Planar elliptic function lowpass filter with sharp roll-off and wide stopband

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