Electronic Devices - Op-Amp Applications - Discussion
Discussion Forum : Op-Amp Applications - General Questions (Q.No. 22)
22.
Calculate the output of the second stage op-amp if V1 = 25 mV.
Discussion:
4 comments Page 1 of 1.
Gurpreet said:
1 decade ago
It should be:
Vo = Vin (1+Rf/R).
= 25 mv (1+10/5).
= 0.075 V.
So for me no answer is correct.
Vo = Vin (1+Rf/R).
= 25 mv (1+10/5).
= 0.075 V.
So for me no answer is correct.
Pope said:
9 years ago
That is only the first stage.
Vo2 = (-5k/5k) * Vo1,
Vo2 = -0.075.
Vo2 = (-5k/5k) * Vo1,
Vo2 = -0.075.
Elknzie said:
6 years ago
@Pope. Correct, thanks.
Srinath said:
4 years ago
The correct answer is 1.5 v.
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