Stripline Impedance Calculator

Differential Stripline Impedance Calculator

Notes:
1) Calculation assumes traces are centered vertically.
2) S/T > 5.0

Enter dimensions:
Trace width (W)		mils
Trace thickness (T)		mils
Trace spacing (S)		mils
Distance between planes (B)		mils
Relative Dielectric constant (Er)

Differential Trace Impedance		ohms

References

Cohn, Seymour B., "Characteristic Impedance of the Shielded-Strip Transmission Line," IRE Transactions on Microwave Theory and Techniques, Vol MTT-2, No. 3, July 1954, pp. 52-57.

Cohn, Seymour B., "Shielded Coupled-Strip Transmission Line," IRE Transactions on Microwave Theory and Techniques, Vol MTT-3, No. 10, October 1955, pp. 29-38.

Wadell, Brian C., Transmission Line Design Handbook, Artech House, Norwood, MA, 1991, pp. 232-235

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