The equivalent noise temperature of a network given the noise figure of the network or system is:

Related MCQs

• Noise equivalent temperature of a 2 stage cascade network is given by:
• Noise equivalent temperature of Wilkinson coupler having a gain of 1/2L is given as:
• Noise figure can be defined for any microwave network irrespective of any other constraints.
• Expression for noise of a two port network considering the noise due to transmission line and other lossy components is:
• The noise temperature of an antenna is given by the expression:
• Expression for over all noise figure of a mismatched amplifier is:
•                      is defined as the ratio of input signal to noise ratio to the output signal to noise ratio.
• A resistor is operated at a temperature of 300 K, with a system bandwidth of 1 MHz then the noise power produced by the resistor is:
• With an increase in operating frequency, the background noise temperature:
• A major disadvantage of frequency multipliers is that they multiply the noise factor along with frequency.