Abstract
AbstractIn this article, a compact sharp‐rejection lowpass filter (SRLPF) is proposed and analyzed. By combining the coupled line section and shunt open‐circuited resonator, a compact lowpass filter with wide stopband and very high passband selectivity is realized. This filter at cutoff frequency fc of 2 GHz has presented very good measured characteristics, including very low insertion loss of 0.15 ± 0.05 dB, wide stopband from 3.2 to 8 GHz and attenuation slope of 51 dB/GHz. © 2008 Wiley Periodicals, Inc. Microwave Opt Technol Lett 50: 894–896, 2008; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.23224
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