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Problems on Omp amp Worksheet

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User Generated

Subject

Engineering

Type

Worksheet

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Some solved problems on Op-amp
Problem 1.
Realize the output voltage V
o
= -V
1
+ 0.5V
2
-2V
3
using one op-amp and passive
components:
i.e., V
o
= 0.5V
2
(V
1
+
2 V
3
)
Solution :
Assuming non-inverting input at ground , we have
V
o
= (V
1
+
2 V
3
)
If V
1
= V
3
= 0 the following circuit is obtained
V
o
R = 10 Kohm
F
V
x
-
R = 5 Kohm
3
R =10 Kohm
1
+

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