is defined as the ratio of desired signal power to undesired noise power.

Related MCQs

•                      is defined as the ratio of input signal to noise ratio to the output signal to noise ratio.
• The equivalent noise temperature of a network given the noise figure of the network or system is:
• Expression for noise of a two port network considering the noise due to transmission line and other lossy components is:
• Which factor adds phase noise to the signal?
• Noise figure can be defined for any microwave network irrespective of any other constraints.
•                    is a non linear circuit that converts DC power to an AC waveform of desired frequency based on the oscillator design.
• 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:
• Amplifier efficiency is the ratio of RF output power to DC input power. This parameter determines the performance of an amplifier.
• Behavior of a transistor in power amplifiers is unpredictable at all input signal levels.
• A major disadvantage of frequency multipliers is that they multiply the noise factor along with frequency.