Determine the contact resistor that can go on the base

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Given an N+PN BJT with a Wb, base width, of 0.5um and a doping of 1016/cm3, (a) determine the contact resistor that can go on the base if the length of the contact is 10 * Wb. (b) Plot the change in conductance in relation to varying the doping from 1014/cm3 to 1018/cm3 at room temperature. Redo the graph at 77K; what do you infer in relation to the contact resistance.

Reference no: EM13287069

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