# Finding reverse saturation current.

by DrMath
Tags: current, reverse, saturation
 P: 28 1. The problem statement, all variables and given/known data Hi, I have a problem to find the reverse saturation current for a piece of diode. I have a question - given conductivity, a I-V curve with forward bias information (a table of I vs V values), how can i proceed? I have other information abt the diode such as its mobility, and then it is made of silicon - other material info assume given. Anyone can advise the approach? thanks. 2. Relevant equations 3. The attempt at a solution
P: 639
 Quote by DrMath 1. The problem statement, all variables and given/known data Hi, I have a problem to find the reverse saturation current for a piece of diode. I have a question - given conductivity, a I-V curve with forward bias information (a table of I vs V values), how can i proceed? I have other information abt the diode such as its mobility, and then it is made of silicon - other material info assume given. Anyone can advise the approach? thanks. 2. Relevant equations 3. The attempt at a solution
Where is the relevant equation?
If your data are precise, substitute the values of one point of the curve (V-I) into the diode equation and obtain Is.
If your data are real, they should have measurement errors and you should use the diode equation in conjunction with a filter to obtain Is.
 P: 10 Use the Shockley Diode equation, that should yield an answer.

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