Distressing situation for the circuit designer


Problem:

1. For the emitter-follower circuit shown in Figure, the BJT used is specified to have β values in the range\ of 50 to 200 (a distressing situation for the circuit designer).

2116_Emitter-follower circuit.jpg

For the two extreme values of β (β=50 and β=200), find

(a) IE, VE, and VB

(b) the input resistance Rin

(c) the voltage gain vo/vsig

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Electrical Engineering: Distressing situation for the circuit designer
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