Which of the items below is not a description of the two-stage amplifier?
A. The input resistance is equal to the input resistance of the first stage unless feedback is applied
B. Its output resistance is equal to the output resistance of the final stage unless feedback is applied
C. Its noise level is equal to the accumulated noise of the two stages, either by multiplying the noise voltage amplitudes together or by adding the noise decibel levels together
D. The output resistance is equal to the output resistance of the first stage unless feedback is applied.
Show Answer
Answer: D
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