Transistor Q13 in the circuit of Fig. 12.13 consists, in
Chapter 12, Problem 12.25(choose chapter or problem)
Transistor Q13 in the circuit of Fig. 12.13 consists, in effect, of two transistors whose emitterbase junctions are connected in parallel and for which ISA = 0.25 1014 A, ISB = 0.75 1014 A, = 50, and VA = 50 V. For operation at a total emitter current of 0.73 mA, find values for the parameters VEB, gm, re, r , and ro for the A and B devices.
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