Expression for over all noise figure of a mismatched amplifier is:

Related MCQs

• 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:
• If the output power of an amplifier is 10 V, and the input power supplied to the amplifier is 0.229 V given that the DC voltage used is
• If a power amplifier has an output power of 10 W, and an amplifier gain of 16.4 dB, then the input drive power is:
• The klystron tube used in a klystron amplifier is a                    type beam amplifier.
• Amplifier efficiency is the ratio of RF output power to DC input power. This parameter determines the performance of an amplifier.
•                      is defined as the ratio of input signal to noise ratio to the output signal to noise ratio.
• Noise figure can be defined for any microwave network irrespective of any other constraints.
• The noise temperature of an antenna is given by the expression:
• A class B amplifier consists of                 transistors in order to conduct the input signal over the entire cycle.