Question: A long base Si abrupt pn junction diode with a junction area of 10^-2cm^-2 has Nd = 10^18cm^-3, Na = 10^17cm^-3, Tp = 10^-8 sec,

A long base Si abrupt pn junction diode with a junction area of 10^-2cm^-2 has Nd = 10^18cm^-3, Na = 10^17cm^-3, Tp = 10^-8 sec, Tn = 10^-6sec, Dp = 5.2cm^2sec^-1 and Dn = 20cm^2sec^-1. At 300K , calculate the diode current with a forward bias of 0.5V, and then with a reverse bias of 5V. Include the generation recombination current and assume To = 10^-7sec.

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