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Analog Electronics
Amplifiers
Differential Amplifiers
Questions mapped to Differential Amplifiers under Amplifiers.
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Q#1
Amplifiers
GATE EE 1997 (Set 1)
MSQ
+2 marks
-0 marks
For the differential amplifier circuit shown in Figure, determine the differential gain, the common-mode gain and the common-mode rejection ratio.
The magnitude of the single-ended differential-mode gain () is approximately 95.24.
The single-ended common-mode gain () has an approximate value of .
The Common-Mode Rejection Ratio (CMRR) of the circuit is approximately 39.75 dB.
If the source resistance is reduced to 0 , the magnitude of the differential-mode gain will increase to exactly 100.
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