📢 Too many exams? Don’t know which one suits you best? Book Your Free Expert 👉 call Now!

    Question

    If SNRi is the input SNR of a system in dB, SNRo is the

    output SNR of a system in dB, then which of the below defines the noise figure (NF) in dB?
    A NF = SNRo × SNRi Correct Answer Incorrect Answer
    B NF = SNRi - SNRo Correct Answer Incorrect Answer
    C NF = SNRi + SNRo Correct Answer Incorrect Answer
    D NF = SNRo - SNRi Correct Answer Incorrect Answer

    Solution

    The Noise Figure (NF) in dB is defined as the degradation of signal-to-noise ratio from input to output of a system. Mathematically, NF (dB) = SNRi(dB) – SNRo(dB) This means it tells how much worse the SNR becomes as the signal passes through the device.

    Practice Next
    More IT Operating System Questions

    Relevant for Exams:

    ask-question