Embedded Microstrip Impedance Calculator

This page describes an Embedded Microstrip Impedance Calculator. It presents the formula or equations used in this embedded Microstrip Impedance Calculator.

Figure 1: Embedded Microstrip Line

Inputs Clear Input

Dielectric Constant, Ε_r

Trace Width, w in mils

Trace thickness, t in mils

Trace dielectric thickness, h in mils

Overall dielectric thickness, h1 in mils

Outputs Calculate

Characteristic impedance in Ohms

Example

INPUTS:

• Er = 3.8
• w = 5.1
• t = 1.5
• h = 4.45
• h1 = 6

OUTPUT:

• Characteristic Impedance = 69.29

(1 mm = 39.37 mils)

mm to mils converter

Inputs Clear Input

Millimeter:

Outputs Calculate

Mils:

EXAMPLE:

INPUT:

• mm = 0.5

OUTPUT:

• mils = 19.685

Embedded Microstrip Impedance Formula or Equation

The following equation or formula is used for the Embedded Microstrip Impedance Calculator: