is defined as the ratio of input signal to noise ratio to the output signal to noise ratio.

Related MCQs

•                        is defined as the ratio of desired signal power to undesired noise power.
•                          uses balanced input and output, meaning that there are 2 signal lines, with opposite polarity at each port.
• 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?
• Amplifier efficiency is the ratio of RF output power to DC input power. This parameter determines the performance of an amplifier.
• Klystron amplifiers have high noise output as compared to crossed field amplifiers.
• Noise figure can be defined for any microwave network irrespective of any other constraints.
• In a diode frequency multiplier, an input signal of frequency fo applied to the diode is terminated with                   at all frequencies other than required harmonic.
•                        amplifiers are linear circuits, where the transistor is biased to conduct over the entire range of the input signal cycle.