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1 results

  • Design of dual-band Wilkinson power divider based on novel stubs using PSO algorithm

  • Seyed Abed Zonouri, Mohsen Hayati, Mehran Bahrambeigi
  • Journal:
    International Journal of Microwave and Wireless Technologies / Volume 15 / Issue 9 / November 2023
    Published online by Cambridge University Press:
    28 February 2023, pp. 1495-1506
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  • In this paper, a new dual-band Wilkinson power divider (WPD) is designed and fabricated using novel low and high impedance stubs instead of quarter-wavelength transmission lines. The proposed circuit was analyzed using odd and even mode analysis, and the optimal values of design parameters were obtained using the particle swarm optimization algorithm. The designed power divider has input reflection coefficients (S11) of −22.1 and −17 dB at the first operating frequency of 2.2 GHz and the second operating frequency of 14.2 GHz, respectively. It also improves stop-band and fractional bandwidth (FBW) while maintaining a simple topology. The proposed WPD suppresses undesired harmonics from the second to the fifth with an attenuation level of less than −20 dB in the first band and generates a broad stop-band (4.4–11.5 GHz). In the first band, the FBW is 54.5%, and in the second band, it is 20.1%.