A reconfigurable dual-band bandpass filter using memristive switches

Guokai Zhao, Bin You, Xuan Wen and GuoQing Luo

Journal of Electromagnetic Waves and Applications, 2022, vol. 36, issue 1, 115-130

Abstract: In this paper, a reconfigurable dual-band bandpass filter, using memristive switches, is proposed. The applied memristor is non-volatile and has low-power consumption, which could be potentially used as an RF switch. The dual-band bandpass filter is based on the dual-mode resonator with a memristor. The odd-mode and even-mode method is utilized to analyse the proposed reconfigurable filter. By loading a memristor to the optimum position of the resonator, the proposed dual-band bandpass filter’s responses can be switched. The memristor is equivalent to a low-impedance resistor in ON state and a high-impedance capacitor in OFF state. The frequency responses of the proposed reconfigurable dual-band bandpass filter can be tuned by transforming the state of two memristors. The alternative test method is used in this paper, and measured results are consistent with simulated results.

Date: 2022
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DOI: 10.1080/09205071.2021.1958381

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