Q. What is the bandwidth of the signal if the highest frequency in the modulating signal is 3 KHz?

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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?

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

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Q. Where is ASK used?

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

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Q. What is harmonic sideband interference known as?

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

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

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

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

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

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Q. What is used to generate a DSB signal?

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

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

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Q. Where does selective fading occur?

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

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

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

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

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

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