7. A student mistakenly replaces the common-emitter pnp device in Fig. 6 with an npn emitter follower (Fig. 7). (a) Determine the open loop gain. (b) Calculate the loop gain and the closedloop gain. (c) compute the open-loop and closedloop output impedances. And compare the results. Vcc Vcc Vino Vino Tout I out Laser Laser Diode D, Diode D1 RM RM Fig. 6

Introductory Circuit Analysis (13th Edition)
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ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
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7. A student mistakenly replaces the common-emitter pnp device in Fig. 6 with an
npn emitter follower (Fig. 7).
(a) Determine the open loop gain.
(b) Calculate the loop gain and the closedloop gain.
(c) compute the open-loop and closedloop output impedances.
And compare the results.
Vcc
Vcc
Vino
Vino
A1
Q1
lout
Iout
Laser
Laser
Diode D,
Diode D1
RM
RM
Fig 6
Fig. 7
Transcribed Image Text:7. A student mistakenly replaces the common-emitter pnp device in Fig. 6 with an npn emitter follower (Fig. 7). (a) Determine the open loop gain. (b) Calculate the loop gain and the closedloop gain. (c) compute the open-loop and closedloop output impedances. And compare the results. Vcc Vcc Vino Vino A1 Q1 lout Iout Laser Laser Diode D, Diode D1 RM RM Fig 6 Fig. 7
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