A student is characterizing a pn junction by performing a series of I-V measurements. The fi nal data, tabulated in increasing voltage-magnitude order, are: (V, I) 5 (600 mV, 4.8 A), (700 mV, 100 pA),...



A student is characterizing a pn junction by performing a series of I-V measurements. The fi nal data, tabulated in increasing voltage-magnitude order, are: (V, I) 5 (600 mV, 4.8 A), (700 mV, 100 pA), (800 mV, 0.81 mA), (9.900 V, 10 mA), (10.100 V, 30 mA). The student did not bother to record voltage polarities or current directions, claiming that one can fi gure them out via educated reasoning. Assuming a forward-region characteristic of the type I 5 Is exp[Vy(nVT)], VT 5 26 mV, and a breakdown-region characteristic of the type Iz 5 (V 2 VZ0)yrz , use the above data to fi nd n, Is , IR, VZ0, and rz.



May 04, 2022
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