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What is meant by transition and space charge capacitance of a diode?
Wiki User
∙ 12y ago
space charge region in a diode or say a bjt for better understanding is same as the depletion region,
both transition capacitance and depletion capacitance are the same
c= (epsilon*A)/d ;
where ... c is capacitance
A is area
and d is the depletion width
the other type of capacitance is the diffusion capacitance
c= (T*I)/(n*V)
where ... c is the capacitance
T is transition ti
me
I is the drift current
n is emission coefficient ... its value is 1 for germanium
and V is thermal voltage .. 26mv
Wiki User
∙ 12y ago
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== ==
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