Publisher： John Wiley & Sons Inc
E-ISSN： 1098-2760|57|12|2800-2803
ISSN： 0895-2477
Source： MICROWAVE AND OPTICAL TECHNOLOGY LETTERS, Vol.57, Iss.12, 2015-12, pp. : 2800-2803
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Abstract
ABSTRACTA compact low‐pass filter (LPF) with ultrabroad stopband characteristic is presented in this article. This filter mainly consists of a rectangular stub resonator and cumulative open‐circuited stubs, providing multiple transmission zeros to form a wide stopband region. Further, two open stub loads are simply adopted to improve the band selectivity. This fabricated LPF exhibits a 3 dB cutoff frequency (fc) at 1.74 GHz with an average low insertion loss of 0.25 dB and a broad stopband region from 2.6 to 22.8 GHz (10.8ƒc) under a high rejection level of 20 dB. © 2015 Wiley Periodicals, Inc. Microwave Opt Technol Lett 57:2800–2803, 2015
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A compact low‐pass filter with ultrabroad stopband characteristics
MICROWAVE AND OPTICAL TECHNOLOGY LETTERS, Vol. 895-2477, Iss. 12, 2015-12 ,pp. :
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