Yazarlar

• Ertugrul, Mehmet(1)
• Hasar, Ugur C.(1)
• Kaya, Yunus(1)

• MakaleAçık Erişim2021Scopus SJRQ1/r/bayburt/14121
  Measurement of Propagation Characteristics of Nonreciprocal Networks/Lines Using a Line-Line Method

  Hasar, Ugur C.; Kaya, Yunus; Ertugrul, Mehmet

  In this article have proposed a new calibration-free line-line method for propagation constant (gamma) determination of homogeneous nonreciprocal networks or lines with symmetric reflection property. To achieve our goal, wave-cascading matrices for impedance, amplitude, and phase changes for a line step from a homogeneous reciprocal network or line to a homogeneous nonreciprocal network or line (and vice versa). Two different approaches based on the proposed line-line method are proposed for unique extraction of gamma in forward and backward directions. Measurements of gamma for two reciprocal lines (waveguide straights at X-band and Ku-band with different lengths) and a nonreciprocal line (microwave phase shifter) were first carried out and then compared with measured gamma of these lines by different methods to validate our method and monitor its accuracy.

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