Question: A receiver with a 75- input resistance operates at a temperature of 31C. The received signal is at 89 MHz with a bandwidth of 6

  • A receiver with a 75-Ω input resistance operates at a temperature of 31°C. The
    received signal is at 89 MHz with a bandwidth of 6 MHz. The received signal
    voltage of 8.3 μV is applied to an amplifier with a noise figure of 2.8 dB. Find (a)
    the input noise power, (b) the input signal power, (c) S/N, in decibels, (d) the
    noise factor and S/N of the amplifier, and (e) the noise temperature of the
    amplifier.

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