If the amplifier in Question 4 has a noise figure of 10 dB but a gain of 0 dB, what is the total noise figure of the cable, amplifier, and filter in series?

The correct answer is A. 75 dB. See the full explanation below for the reasoning.

Question

Options

A75 dB
B16 dB
C10 dB
D70 dB

How the community answered

(40 responses)

A
70% (28)
B
5% (2)
C
18% (7)
D
8% (3)

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