Electronic Devices - Op-Amp Applications - Discussion

Discussion Forum : Op-Amp Applications - General Questions (Q.No. 11)
11.
Calculate the output of the first-stage op-amp when V1 = 25 mV.

–1.05 V
0.075 V
0.06 V
4.2 V
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
12 comments Page 2 of 2.

Himanshu kumar said:   4 years ago
Since first circuit work as a non_inverting op_amp therefore v(out) = 25[1+10/5] = 75mv,
And other circuit work as a inverting op_amp so v(out) = -5/5*75 = -75mv=0.075v(answer.

Isuru deshapriya said:   3 years ago
V input = 60 * v output.
v output = 60 * 25mV,
v output = 1.5V.


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