Design of a novel stub loaded asymmetric rectangular ring resonator based ultra-wide notched-band bandpass filter

Piali Chakraborty, Jyoti Ranjan Panda and Arindam Deb

Journal of Electromagnetic Waves and Applications, 2022, vol. 36, issue 18, 2614-2627

Abstract: This paper establishes a novel method to generate an ultra-wideband (UWB) bandpass filter (BPF) with four notches. Initially, this method employs a stub-loaded rectangular ring resonator (SLRRR) based compact structure to develop a UWB bandpass filter. Upgradation of the SLRRR structure into a stub-loaded asymmetric rectangular ring resonator (SLARRR) based structure in the next move facilitates the prospective filter with four notches at 4.34 GHz (S-band radar), 5.48 GHz (WLAN), 6 GHz (Wi-Fi 6E), and 9.3 GHz (X band radar) respectively possessing high rejection ability. This compact-sized (1.14λg × 0.29λg) proposed filter is characterized by a wide passband extending from 3.3 to 10.84 GHz with low insertion loss of

Date: 2022
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DOI: 10.1080/09205071.2022.2101387

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