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## Homework Statement

Find the parameters of a piecewise linear model of a diode with the following known values:

v_d = 0.7V

i_D = 1mA

n = 2.

Make your model fit at 1mA.

## Homework Equations

They are in the image below, written there.

## The Attempt at a Solution

Here's my attempt. I drew out the piecewise linear equivalent, which can be seen to the right of the equal sign. The eq. that I need are on the far left top, and I start putting values in.

I also assumed the saturation current was 10^-11. That's another question I had, they never specified it, so should I assume that 10^-11 is it? It seems that the other ex. in this book uses that value, so...

http://img45.imageshack.us/img45/1165/untitledkp4.jpg [Broken]

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