STEM

STEM

Characteristic impedance of transmission lines

    • Karthik R
      Administrator
      Why the characteristic impedance of RF transmission lines is 50 Ohms?
    • prajput
      Ansys Employee
      50 ohms is the trade-off between power and losses. maximum power transfer is at a peak at 30 ohms but attenuation or losses are minimum at around 77 Ohms. So, 50 ohms is selected as standard as the trade-off between losses and power.
    • Karthik R
      Administrator
      Thanks for the reply ?, I wonder how the characteristics impedance of microstrip line is determined? 
    • prajput
      Ansys Employee

      Hi @Kremella,

      The Characteristics impedance of the strip line depends on the width of stripline, substrate material, and height.


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