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Design and Fabrication of an Ultra-Wide Band Power Divider

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Abstract

In this paper, a Wilkinson Power Divider (WPD) with short- and open-circuited stubs is presented. We can control the fractional bandwidth (FBW) of the power divider by radial-shaped resonators instead of open-circuited stubs. The novelty is that two short-length transmission lines (TLs) instead of conventional λ/4 TLs are utilized to obtain broadband performance and two resistors are used for isolation. Also, the FBW has been increased by increasing the length of the short-circuited stubs. Using even- and odd-mode analysis, the design equations are obtained. Over the frequencies ranging from 3.5 to 8 GHz, isolation better than 12 dB, return loss greater than 10 dB, and insertion loss lower than 3.4 dB have been obtained. The 3-dB FBW of the proposed ultra-wideband power divider is 1.32. The size of the proposed PD is 18 mm × 14 mm.

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The data that support the findings of this study are available from the corresponding author upon reasonable request.

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Authors and Affiliations

  1. Electrical Engineering Department, Lorestan University, Khorramabad, Iran

    Amirhossein Qaedrahmati, Akram Sheikhi & Vahid Mehrdad

  2. Electrical Engineering Department, Amirkabir University, Tehran, Iran

    Abdolali Abdipour

Authors
  1. Amirhossein Qaedrahmati
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  2. Akram Sheikhi
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  3. Abdolali Abdipour
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  4. Vahid Mehrdad
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Correspondence to Akram Sheikhi.

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Qaedrahmati, A., Sheikhi, A., Abdipour, A. et al. Design and Fabrication of an Ultra-Wide Band Power Divider. Circuits Syst Signal Process 42, 3255–3267 (2023). https://doi.org/10.1007/s00034-023-02290-w

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