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.

–0.075 V
0.525 V
0.06 V
4.2 V
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
4 comments Page 1 of 1.

Srinath said:   4 years ago
The correct answer is 1.5 v.

Elknzie said:   6 years ago
@Pope. Correct, thanks.

Pope said:   9 years ago
That is only the first stage.

Vo2 = (-5k/5k) * Vo1,
Vo2 = -0.075.

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.

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