In a receiver the input signal is 100 V, while the internal noise at the input is 10 V. With amplification the output signal is 2 V, while the output noise is 0.4 V. The noise figure of receiver is(a) 2(b) 0.5(c) 0.2(d) None of the mentionedI had been asked this question in an online quiz.Enquiry is from Noise topic in section EDC Overview of Electronic Devices & Circuits

In a receiver the input signal is 100 V, while the internal noise at t

1.	In a receiver the input signal is 100 V, while the internal noise at the input is 10 V. With amplification the output signal is 2 V, while the output noise is 0.4 V. The noise figure of receiver is(a) 2(b) 0.5(c) 0.2(d) None of the mentionedI had been asked this question in an online quiz.Enquiry is from Noise topic in section EDC Overview of Electronic Devices & Circuits
Answer» Right CHOICE is (a) 2 For explanation: NF = (100/10)/(2/0.4) or 2.

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