Impedance Calculator Tutorial

Sierra Circuits’ free Impedance Calculator will help PCB designers calculate their trace widths, single-ended or differential impedances – for both microstrip and stripline models – and other parameters such as the dielectric height, the dielectric constant, and the trace thickness. The tool will also provide a guide for dielectric constant values for various PCB materials.

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What is a PCB Transmission Line?

A PCB transmission line is a type of interconnection used for moving signals from their transmitters to their receivers on a printed circuit board. A PCB transmission line is composed of two conductors: a signal trace and a return path which is usually a ground plane. The volume between the two conductors is made up of the PCB dielectric material.

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