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Differential Microstrip Impedance Calculator | Formula,Equation

This page covers Differential Microstrip Impedance Calculator. It mentions formula or equations used in this differential Microstrip Impedance Calculator.

Differential Microstrip Line

The figure-1 above depicts differential microstrip line. Refer types of microstrip line and basics of microstrip line for more information.


Dielectric Constant, Εr :

Trace Width, w in mils :

Trace separation, d in mils :

Trace thickness, t in mils :

Dielectric thickness, h in mils :


Characteristic impedance in Ohms :

Differential microstrip impedance in Ohms :

*Note: This calculator is valid for (W/h) in range from 0.1 to 3.0.

INPUTS: Er = 4.5, w =5.2, d =5.2, t =1.5, h =4.6
OUTPUT: Characteristic Impedance = 56.58
Differential Impedance = 94.81
(1 mm =39.37 mils)

mm to mils converter





INPUT: mm = 0.5
OUTPUT: mils = 19.685

Differential Microstrip Impedance Formula or Equation

Following equation or formula is used for Differential Microstrip Impedance Calculator.

Differential Microstrip Impedance Formula

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