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ECE · Q193

Analog Electronics

Engineering and GATE · ECE · question 193

Q193

For a three-input inverting summing amplifier, V_ out = - ( V_1 + V_2 + V_3 )3, what is the relation between Rf and R?

For a three-input inverting summing amplifier,     what is the relation between Rf and R?
A.
R = 3Rf
Answer
B.
Rf = 0.3R
C.
R = 0.3Rf
D.
Rf = 3R

Answer: Option A

Solution

Answer: Option A
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