Explanation: The base voltage of Q2 transistor, VB = [RTC / (R2 +RTC)]×(= [10kΩ/(5kΩ+10kΩ)]×5v =3.33v. 9. 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
Answer:A
Explanation: The base voltage of Q2 transistor, VB = [RTC / (R2 +RTC)]×(= [10kΩ/(5kΩ+10kΩ)]×5v =3.33v. 9. 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
Explanation: Reference voltage, Vref = R1 × Is