A receiver with a 75ohm 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,
A receiver with a 75ohm 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,
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A receiver with a 75ohm 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 NV 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 SIN of the amplifier (e) the noise temperature of the amplifier.
Transcribed Image Text:A receiver with a 75ohm 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
(e) the noise temperature of the amplifier.
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