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Simple Definitions

The most important electronics terms, demystified in one place.

Band gap

Our Take

With semiconductors, how much energy electrons have is of the utmost importance. When moving from the valence band to the conduction band, electrons need to gain enough energy to do so. The amount of energy needed is the gap between the two bands - hence “band gap”! It’s nice when things make sense…

Book Definition

The difference in energy between energy levels in an atom.

Electronic Devices : Conventional Current Version, 9th Edition by Thomas L. Floyd

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