Electronic Devices - Operational Amplifiers - Discussion
Discussion Forum : Operational Amplifiers - General Questions (Q.No. 14)
14.
Calculate the overall voltage gain of the circuit if R1 = 100 
and Rf = 1 k.
and Rf = 1 k. 
Discussion:
15 comments Page 2 of 2.
Dheeraj said:
1 decade ago
The formula for voltage gain here is
Gain=1+Rf/R1.
Gain=1+Rf/R1.
Sandeep malik said:
1 decade ago
Voltage gain=-(rf/ri). so it should be -10
Justen said:
1 decade ago
For non inverting op amp:
Gain=1+Rf/R1
Gain=1+Rf/R1
Adarsh said:
1 decade ago
It should be -10 rite ? av=-rf/ri.
Kranti said:
1 decade ago
Gain = (Rf+R1)/R1
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