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In a differential amplifier, the non-inverting input is 3 cos (600t - 45 ° ) mV...

In a differential amplifier, the non-inverting input is 3 cos (600t - 45 ° ) mV and the inverse input is 4cos (600t - 45◦ ) mV. The output is vo = 3cos (600t - 45◦ ) + 4.004cos (600t - 45◦ ) V. The CMRR is _______ dB.

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The question is solved using concepts of analog electronics as shown:

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