Compute the reference voltage for a fundamental log-amp, if it’s internal resistance=5MΩ.
(a) 0.5µv
(b) 0.05µv
(c) 5µv
(d) None of the mentioned
This question was posed to me in an internship interview.
My question is based upon Very High Input Impedance Circuit in portion Operational Amplifier Applications of Linear Integrated Circuits