Design of multiple transmission zeros-enabled compact broadband BPFs based on microstripto- CPW transition technology

Abu Nasar Ghazali; Mohd Sazid

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Design of multiple transmission zeros-enabled compact broadband BPFs based on microstripto- CPW transition technology

机译：Design of multiple transmission zeros-enabled compact broadband BPFs based on microstripto- CPW transition technology

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In this paper, we present a miniaturized ultra-wideband (UWB) bandpass filter (BPF) withmultiple transmission zeros (TZs), which is based on transition technology of microstripwith short-circuited coplanar waveguide (CPW). The ground plane of the BPF contains amultiple mode resonator (MMR)-based CPW which is capacitively linked through thedielectric to two open-circuited microstrip lines on the top. The MMR is initially designedto allocate its lowest three resonant modes quasi-equally inside the designated UWB spectrum(3.1–10.6 GHz). This is followed by optimization of microstrip lines to provide a good broadbandresponse possessing minimum insertion loss, two TZs at the lower and upper passbandedges that improve selectivity and a wide stopband with appreciable attenuation. Later, multiple-folded split ring resonators are coupled to the BPF to inject dual passband TZs. The predictedtheory in simulation is verified against measured result and is found to be in goodagreement. The prototype covers a substrate area of only 14.6 × 9.2mm~2.

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《International journal of microwave and wireless technologies》 |2022年第5期|546-552|共7页
作者
Abu Nasar Ghazali; Mohd Sazid;
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作者单位

School of Electronics Engineering, Kalinga Institute of Industrial Technology (KIIT), Deemed University,Bhubaneswar 751024, Odisha, India;

Department of Electronics and Communication Engineering, DelhiTechnological University, Delhi 110042, India;

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正文语种英语
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Bandpass filter (BPF); folded split ring resonator (FSRR); microstrip-to-CPW transition; multiple mode resonator (MMR); ultra-wideband (UWB);

Design of multiple transmission zeros-enabled compact broadband BPFs based on microstripto- CPW transition technology

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