1.

The open-loop voltage gain of an operation amplifier is 2000. The noise level in the output without feedback is 102 mV. If negative feedback with \(\beta=\frac{1}{40}\) is used, what will be the noise level in output?

A. 4 mV
B. 2 mV
C. 2.66 mV
D. 1.33 mV
Answer» C. 2.66 mV


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