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Control of bandwidth, resonant frequency, and modelling of bandpass filter using open stub resonator for K-band application

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Abstract

In this paper, we present the implementation of a new compact end coupled bandpass filter (BPF) in coplanar waveguide (CPW) technology. The proposed BPF is exposed with the ƛ /4 resonator, to develop the ban pass resonance with comfortable bandwidth and impedance matching by adjusting the dimensions of the filter components. A device and circuit level simulations are carried out to verify the low insertion loss and sharp transmission from passband to bandstop characteristics of the proposed BPF, which exhibiting 100% fractional bandwidth at − 3 dB with a band pass center frequency of 20 GHz. The electromagnetic (device level) and lumped-element (circuit level) equivalent simulations are done with HFSS and ADS tools, respectively. A good agreement between the simulations the proposed bandpass filter recommended for wireless and satellite communication systems for K-band applications.

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Acknowledgements

The authors would like to thank National MEMS Design Centre (NMDC) supported by National Program on Micro and Smart Systems (NPMASS), National Institute of Technology, Silchar for providing the necessary computational tools.

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Authors and Affiliations

  1. MEMS Research Center, Department of Electronics and Communication Engineering, KoneruLakshmaiah Education Foundation, Green Fields-522502, Guntur, Andhra Pradesh, India

    Sk. Shoukat Vali & K. Srinivasa Rao

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  1. Sk. Shoukat Vali
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  2. K. Srinivasa Rao
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Correspondence to K. Srinivasa Rao.

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Vali, S.S., Rao, K.S. Control of bandwidth, resonant frequency, and modelling of bandpass filter using open stub resonator for K-band application. Microsyst Technol 28, 2679–2687 (2022). https://doi.org/10.1007/s00542-022-05293-w

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