What is the purpose of differential amplifier stage in internal circuit of Op-amp?
A. Low gain to differential mode signal
B. Cancel difference mode signal
C. Low gain to common mode signal
D. Cancel common mode signal
Answer:A
What is the purpose of differential amplifier stage in internal circuit of Op-amp?
A. Low gain to differential mode signal B. Cancel difference mode signal C. Low gain to common mode signal D. Cancel common mode signal
Explanation: Any undesired noise, common to both of the input terminal is suppressed by differential amplifier.