Where does -1 in BJT’s Ies equation come from?

by panic attack   Last Updated May 15, 2019 19:25 PM

I don’t know whether there is already a question and answer to this but I couldn’t find one yet. Regarding the following information from a text:

enter image description here

The equation for emitter reverse saturation current Ies shows that the Ies is directly caused by Vbe in non-linear way. But where does -1 in the parenthesis come from?

Tags : current bjt

Related Questions

Updated June 14, 2018 06:25 AM

Updated January 16, 2018 05:25 AM

Updated March 05, 2018 11:25 AM

Updated October 07, 2016 08:10 AM

Updated July 05, 2017 14:25 PM