Related Questions

Thermal noise shot noise and transit time noise is part of internal noise in communication.
Atmospheric noise, extraterrestrial noise and man-made noise is part of internal noise in communication.
Antenna noise temperature of a system is 210 K, noise temperature of transmission line is 123 K, loss of a transmission line connecting the antenna to receiver is 1.41 and noise temperature of the receiver cascade is 304 K. then the total system noise temperature is:
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 mixer stage has a noise figure of 20 dB. This mixer stage is preceded by an amplifier which has a noise figure of 9 dB and an available power gain of 15 dB. The overall noise figure referred to the input is
An amplifier when used with a source of average noise temperature 60 K, has an average operating noise figure of 5. If the amplifier is sold to the engineering public, the noise figure that would be quoted in a catalog is?
An amplifier when used with a source of average noise temperature 60 K, has an average operating noise figure of 5. What average operating noise figure results when the amplifier is used with an antenna of temperature 30 K?
An amplifier has a noise equivalent temperature of 170 K. If the amplifier is used with a source having an equivalent noise temperature of TS=450 K, the output noise power of the amplifier is:
Excess noise ratio is defined as the ratio of generator noise to the noise associated with room temperature
Noise equivalent temperature of a transmission line that adds noise to the noise of a device is: