Q. If an AM signal is transmitted at a frequency of 990 KHz and the and is allowed to transmit modulating frequencies up to 5 Khz, What is the maximum upper sideband that is produced?

View solution

Q. Square waves are made up of numerous Fundamental sin waves.

View solution

Q. Where is ASK used?

View solution

Q. Which of the following is an example of CW transmission?

View solution

Q. What is harmonic sideband interference known as?

View solution

Q. What is the total power if the carrier power is 30 W and the percentage of modulation is 85%?

View solution

Q. What is the power in each sideband if the carrier power is 30 W and percentage of modulation is 85%?

View solution

Q. What is the percent of modulation if the power in the side band is 5 W and carrier power is 30 W?

View solution

Q. The type of signal transmission in which no power is wasted on the carrier is known as ________

View solution

Q. The spectrum space occupied by a DSB signal is the same as that of a conventional AM signal.

View solution

Q. What is used to generate a DSB signal?

View solution

Q. Which of the following is an advantage of SSB over DSB?

View solution

Q. SSB transmitters are lighter and require less power than their normal AM transmitters.

View solution

Q. Where does selective fading occur?

View solution

Q. Why is no carrier signal transmitted when the amplitude of the modulating signal is 0 in an SSB transmission?

View solution

Q. Which one of the following is not true with respect to SSB signal?

View solution

Q. The low power carrier transmitted with SSB signal is called as?

View solution

Q. What is the peak envelope power if the rms voltage is 127.26 V across a 50 Ω load?

View solution

Q. What is the maximum current if the peak envelope power is 500 W and the supply to the amplifier is 50 V?

View solution

Q. What is the PEP if the transmitter produces a peak to peak voltage of 178 V across a 75 Ω load?

View solution