2 (A) An important advantage of differential amplifiers is the suppression of no

Question

2 (A) An important advantage of differential amplifiers is the suppression of noise 2 (B) In a differential amplifier, how much improvement will there be in the CMRR if Bo is doubled? 2 (C) In a differential amplifier, how much improvement will there be in the CMRR if RE is doubled? 2 (D) When building high-gain or high-bandwidth amplifier circuits, the use of across the rails can significantly improve stability. 2 (E) When biasing an amplifier powered by a single power supply, the bias point should be close to half of the supply voltage to maximize

Explanation / Answer

2A. common mode noise

2B. if beta is doubled, then CMRR gets doubled, as both are directly proportional

2C. if Re is doubled, then CMRR gets doubled, as both are directly proportional

2D. capacitance

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