Compact dual‐plane resonant cell low‐pass filter with wide stopband characteristics
Microwave and Optical Technology Letters2010Vol. 52(8), pp. 1776–1778
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Abstract
Abstract A compact microstrip dual‐plane resonant cell structure is presented. Good lowpass performance and wide stopband characteristics can be obtained with a simple single resonant cell; multiple resonant modes are introduced in the stopband, thus rejection width is significantly improved. Measured results of the fabricated prototype show that the stopband bandwidth better than −20 dB is more than 13 GHz, but its occupied area is only 20 × 30 mm 2 . © 2010 Wiley Periodicals, Inc. Microwave Opt Technol Lett 52: 1776–1778, 2010; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.25357
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