A major disadvantage of frequency multipliers is that they multiply the noise factor along with frequency.

Related MCQs

• Resistive multipliers are more efficient as compared to reactive multipliers.
• Reactive multipliers have a disadvantage that they cannot be used at very high frequencies and they become less efficient.
• The major drawback of frequency multipliers is that they have:
• If a frequency multiplier has a multiplication factor of 10, then the increase in noise level due to frequency multiplication is:
•                      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:
• In the plot of reactance v/s frequency of a crystal oscillator, the reactance between series resonant frequency and parallel resonant frequency is:
• Which factor adds phase noise to the signal?
• With an increase in operating frequency, the background noise temperature: