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Meandered Slot-Line Balanced Filter with Common-Mode Noise Suppression

Publication Type : Conference Paper

Publisher : Springer Singapore

Source : ICT Systems and Sustainability: Proceedings of ICT4SD 2019, Volume 1 Pages 331-339, 2020

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Campus : Amritapuri

School : School of Engineering

Department : Electronics and Communication

Year : 2020

Abstract : A balanced wide-band band-stop filter with high common-mode rejection at 2.45 GHz is proposed in this paper. The filter is realized using slot-line which is suitable for implementing balanced filters supporting differential TE mode signaling. An initial transmission line model for a band-stop filter employing shunt short-circuited stub is designed and differential/common-mode characteristics are examined by extracting the mixed-mode S-parameters. This is modified as a meander line which offers wide band-stop response, while also facilitating size reduction. Standard S-parameters and of the simulated slot-line structure, with and without meandered stubs are obtained. Finally, the proposed structure is implemented on FR4-Epoxy substrate and measured using a network analyzer and compared with the simulated response.

Cite this Research Publication : Nair, R.S., Kamalanadhan, M.S., Singh, A., Abhijith, S., Menon, S.K. (2020). Meandered Slot-Line Balanced Filter with Common-Mode Noise Suppression. In: Tuba, M., Akashe, S., Joshi, A. (eds) ICT Systems and Sustainability. Advances in Intelligent Systems and Computing, vol 1077. Springer, Singapore.

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