Calculate the threshold voltage Vo of a junction in which the p and n regions have been doped equally th 5*1016/cm3. Suppose ni = 1.5*1010/cm3. With the terminals left open, if the width of the depletion region is W = 0.2 um, in w far does this region extend into regions p and n (xp and xn)? If the cross section of the junction is 20 um?, find the value of the stored charge of each side of the hction.

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a) Calculate the threshold voltage Vo of a junction in which the p andn regions have been doped equally
with 5*1016/cm³. Suppose ni = 1.5*101/cm³.
b) With the terminals left open, if the width of the depletion region is W = 0.2 um, in
how far does this region extend into regions p and n (xp and xn)?
c) If the cross section of the junction is 20 um?, find the value of the stored charge of each side of the
junction.
Transcribed Image Text:a) Calculate the threshold voltage Vo of a junction in which the p andn regions have been doped equally with 5*1016/cm³. Suppose ni = 1.5*101/cm³. b) With the terminals left open, if the width of the depletion region is W = 0.2 um, in how far does this region extend into regions p and n (xp and xn)? c) If the cross section of the junction is 20 um?, find the value of the stored charge of each side of the junction.
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