N Junction A You apply a voltage to the PN junction to a circuit as above. Note that the saturation current Is 10-12 (a) For the PN junction to be forward-biased, does VẠ have to be positive or negative? (b) For VA = 1V, calculate the total current through the diode. You may use T = VrH = 0.026V. (c) You apply VẠ = -5V to the circuit. Assuming the diode IV curve completely follows the Shockle equation, what is now the total current through the diode? P.

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This about PN Junctions of semiconductors. 

PN Junction
N
--
2. You apply a voltage to the PN junction to a circuit as above. Note that the saturation current Is = 10-12 A.
(a) For the PN junction to be forward-biased, does VẠ have to be positive or negative?
(b) For VA = 1V, calculate the total current through the diode. You may use = Vth = 0.026V.
(c) You apply VA = -5V to the circuit. Assuming the diode IV curve completely follows the Shockley
equation, what is now the total current through the diode?
P.
Transcribed Image Text:PN Junction N -- 2. You apply a voltage to the PN junction to a circuit as above. Note that the saturation current Is = 10-12 A. (a) For the PN junction to be forward-biased, does VẠ have to be positive or negative? (b) For VA = 1V, calculate the total current through the diode. You may use = Vth = 0.026V. (c) You apply VA = -5V to the circuit. Assuming the diode IV curve completely follows the Shockley equation, what is now the total current through the diode? P.
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