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What is Evaluating CMRR of 741 Op-Amp about?

This document describes an experiment to evaluate the common mode rejection ratio (CMRR) of a 741 operational amplifier. The circuit was constructed and a common mode input voltage of 10V peak-to-peak at 60Hz was applied. The common mode input and output voltages were measured to determine the common mode gain. The CMRR was then calculated and found to improve when the circuit was modified by lowering a resistor value, demonstrating higher common mode rejection.

Author

nayasiserei

Language

EN