An amplifier has a gain addb 40 db its common-mode


An amplifier has a gain Ad,dB = 40 dB. Its common-mode rejection ratio is CMRRdB= 120 dB.

It is used to amplify an input which has a 200mV desired signal along with an undesired common-mode signal ("noise"). The signal-to-noise ratio SNRdB= -40 dB.

What is:

1. Input noise (V)

2. Output signal (V)

3. Output noise (V)

4. Output signal-to-noise ratio (V)

5. Output signal-to-noise ratio (dB)

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Electrical Engineering: An amplifier has a gain addb 40 db its common-mode
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