A method for measuring DC parameter of each conductor of a differential device under test, DUT, using a mixed mode vector network analyzer, wherein the method comprises: connecting a first end of a first conductor of the differential DUT to a first DC voltage source; connecting a first end of a second conductor of the differential DUT to a circuit ground point through a second current meter and a second fixed resistor; connecting first ends of rest of conductors of the differential DUT to the circuit ground point through a current meter and a fixed resistor; connecting (i) a second end of the first conductor to a termination point through a third fixed resistor, (ii) a second end of the second conductor the termination point through a fourth fixed resistor, and (iii) second ends of rest of the conductor to the termination point through a fifth fixed resistor; measuring current flow in the second conductor and rest of conductors of the differential DUT using the second current meter and the current meter; connecting the first end of the second conductor of the differential DUT to a second DC voltage source; connecting the first end of the first conductor of the differential DUT to the circuit ground point through a first current meter and a first fixed resistor; connecting the first ends of the rest of conductors of the differential DUT to the circuit ground point through the current meter and the fixed resistor; measuring current flow in the first conductor and rest of conductors of the differential DUT using the first current meter and the current meter; and calculating an individual resistance of the first conductor and the second conductor using a computation unit. connecting a first end of a first conductor of the differential DUT to a first DC voltage source; connecting a first end of a second conductor of the differential DUT to a circuit ground point through a second current meter and a second fixed resistor; connecting first ends of rest of conductors of the differential DUT to the circuit ground point through a current meter and a fixed resistor; connecting (i) a second end of the first conductor to a termination point through a third fixed resistor, (ii) a second end of the second conductor the termination point through a fourth fixed resistor, and (iii) second ends of rest of the conductor to the termination point through a fifth fixed resistor; measuring current flow in the second conductor and rest of conductors of the differential DUT using the second current meter and the current meter; connecting the first end of the second conductor of the differential DUT to a second DC voltage source; connecting the first end of the first conductor of the differential DUT to the circuit ground point through a first current meter and a first fixed resistor; connecting the first ends of the rest of conductors of the differential DUT to the circuit ground point through the current meter and the fixed resistor; measuring current flow in the first conductor and rest of conductors of the differential DUT using the first current meter and the current meter; and calculating an individual resistance of the first conductor and the second conductor using a computation unit.