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ETE411 :: Lec12<br />Dr. MashiurRahman<br />
What we will learn today?<br />The pn Junction Diode.<br />Zero bias, reverse bias, forward bias<br />Calculate the minori...
Terms and Notations<br />
Zero bias<br />Energy band diagram<br />
Reverse bias<br />
Forward bias<br />
comparison<br />Zero bias                                       reverse bias                                        forwar...
Reverse bias<br />
Energy band diagram<br />
Space charge width<br />W= xn+xp<br />
Example 7.3 (page 249)<br />
Solution<br />
Forward bias<br />
Conduction band energy through a pn junction (forward bias)<br />
Boundary Condition<br />Calculate the minority carrier diffusion current density at the edge of the space charge region.<b...
Minority carrier electron concentration in the p region<br />Minority carrier hole concentration in the n region<br />Refe...
Example 8.1 <br />
Solution<br />
Idea pn junction current<br />Steady-state minority carrier concentration<br />
Space charge region<br />Electron and  hole current densities through the space charge region of a pnjuction<br />
Reference : page 278 - 279<br />
I-V characteristic of a pn junction diode<br />
Idea electron and hole current components through a pn junction under forward bias<br />
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Ete411 Lec12

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Lecture on Introduction of Semiconductor at North South University as the undergraduate course (ETE411)
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Dr. Mashiur Rahman
Assistant Professor
Dept. of Electrical Engineering and Computer Science
North South University, Dhaka, Bangladesh
http://mashiur.biggani.org

Published in: Health & Medicine
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Ete411 Lec12

  1. 1. ETE411 :: Lec12<br />Dr. MashiurRahman<br />
  2. 2. What we will learn today?<br />The pn Junction Diode.<br />Zero bias, reverse bias, forward bias<br />Calculate the minority carrier diffusion current density at the edge of the space charge region.<br />Current voltage characteristics with a forward-bias voltage.<br />
  3. 3. Terms and Notations<br />
  4. 4. Zero bias<br />Energy band diagram<br />
  5. 5. Reverse bias<br />
  6. 6. Forward bias<br />
  7. 7. comparison<br />Zero bias reverse bias forward bias<br />
  8. 8. Reverse bias<br />
  9. 9. Energy band diagram<br />
  10. 10. Space charge width<br />W= xn+xp<br />
  11. 11. Example 7.3 (page 249)<br />
  12. 12. Solution<br />
  13. 13. Forward bias<br />
  14. 14.
  15. 15. Conduction band energy through a pn junction (forward bias)<br />
  16. 16. Boundary Condition<br />Calculate the minority carrier diffusion current density at the edge of the space charge region.<br />
  17. 17. Minority carrier electron concentration in the p region<br />Minority carrier hole concentration in the n region<br />Reference : page 271 - 274<br />
  18. 18. Example 8.1 <br />
  19. 19. Solution<br />
  20. 20. Idea pn junction current<br />Steady-state minority carrier concentration<br />
  21. 21. Space charge region<br />Electron and hole current densities through the space charge region of a pnjuction<br />
  22. 22. Reference : page 278 - 279<br />
  23. 23. I-V characteristic of a pn junction diode<br />
  24. 24. Idea electron and hole current components through a pn junction under forward bias<br />

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