Electronics and Communication Engineering - Analog Electronics - Discussion
Discussion Forum : Analog Electronics - Section 4 (Q.No. 46)
46.
If the differential voltage gain and the common mode voltage gain of a differential amplifier are 48 dB and 2 dB respectively, then its common mode rejection ratio is
Answer: Option
Explanation:
We know that CMMR = 
20 log (CMMR) = 20 log Ad - 20 log Ac = 48 - 2 46 dB.
Discussion:
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