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<p>In this research paper, polyester cloth substrate based bandpass microstrip filter is proposed. This wearable filter is useful for NATO applications to pass band of 4.20 to 4.53&#xa0;GHz. The return and insertion losses are –29.81 and −0.31&#xa0;dB respectively at 4.35&#xa0;GHz. The presented wearable filter structure is fabricated and tested using Agilent Vector network analyzer. The simulated and measured results are found in good agreements. Equivalent circuit of this filter is prepared and validated the results. The research contribution is an attempt to propose a microstrip line wearable filter and approach to calculate transfer function of a wearable microstrip filter.</p>

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Wearable Bandpass Filter Using Coupled Microstrip Lines

  • 期刊论文

  • 发表日期：

    2025年3月11日

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  • Jayant G. Joshi,
  • Mandar P. Joshi,
  • S. Raghavan,
  • Shyam S. Pattnaik

摘要

In this research paper, polyester cloth substrate based bandpass microstrip filter is proposed. This wearable filter is useful for NATO applications to pass band of 4.20 to 4.53 GHz. The return and insertion losses are –29.81 and −0.31 dB respectively at 4.35 GHz. The presented wearable filter structure is fabricated and tested using Agilent Vector network analyzer. The simulated and measured results are found in good agreements. Equivalent circuit of this filter is prepared and validated the results. The research contribution is an attempt to propose a microstrip line wearable filter and approach to calculate transfer function of a wearable microstrip filter.