Electronics and Communication Engineering - Analog Electronics - Discussion
Discussion Forum : Analog Electronics - Section 6 (Q.No. 21)
21.
The circuit shown is
Answer: Option
Explanation:
Circuit can be redrawn as.
This is an inverting amplifier with inverting terminal virtual ground.
Hence, Vo = - iin RF
This RF is termed as mutual resistance here, Rm.
output voltage with load
Where R0 is output Resistance of Op-Amp.
if RL >> R0 output terminals become open circuited.
and VoL = Rm.Iin
where Rm work as mutual resistance.
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