Figure below shows the ac equivalent circuit of an emitter follower. (a) The transistor parameters are B = 120 and VA mine Ico such that the small-signal voltage gain is A, = 0.92. (b) Using the results of part (a), determine the voltage gain if VA = 20 V. (c) Deter- mine the small-signal output resistance R, for both parts (a) and (b). = 00. For RE 500 2, deter- Rib | R. RE

Introductory Circuit Analysis (13th Edition)
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Figure below shows the ac equivalent circuit of an emitter follower. (a) The
transistor parameters are B = 120 and VA = 0. For RE
mine Ico such that the small-signal voltage gain is A, = 0.92. (b) Using
the results of part (a), determine the voltage gain if VA = 20 V. (c) Deter-
mine the small-signal output resistance R, for both parts (a) and (b).
500 2, deter-
Rib
R,
V;
0.
RE
Transcribed Image Text:Figure below shows the ac equivalent circuit of an emitter follower. (a) The transistor parameters are B = 120 and VA = 0. For RE mine Ico such that the small-signal voltage gain is A, = 0.92. (b) Using the results of part (a), determine the voltage gain if VA = 20 V. (c) Deter- mine the small-signal output resistance R, for both parts (a) and (b). 500 2, deter- Rib R, V; 0. RE
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