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P-N Junction Diode Problem HELP

  • Thread starter truettct
  • Start date
  • #1
8
0

Homework Statement



A pn junction diode has saturation current Is= 1e-12 A. What is the current through this diode if a positive voltage 0.68 V is applied to it? (Unit: A)

Homework Equations



I=Is(e(Vd)/(Vt))-1)

The Attempt at a Solution



I dont even know where to begin, but i just need a good explanation and how to solve this problem to help me visually learn it. I can't find much info on the web about this problem.

Thanks
 

Answers and Replies

  • #2
CEL
656
0

Homework Statement



A pn junction diode has saturation current Is= 1e-12 A. What is the current through this diode if a positive voltage 0.68 V is applied to it? (Unit: A)

Homework Equations



I=Is(e(Vd)/(Vt))-1)

The Attempt at a Solution



I dont even know where to begin, but i just need a good explanation and how to solve this problem to help me visually learn it. I can't find much info on the web about this problem.

Thanks
You have the value of Is and Vd = 0.68V. The voltage VT is dependent of temperature. It is 26mV at 300 K.
Do the math.
 

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