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प्रश्न
Draw a diagram showing an amplitude modulated wave by superposing a modulating signal over a sinusoidal carrier wave.
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संबंधित प्रश्न
Which of the following frequencies will be suitable for beyond-the-horizon communication using sky waves?
(a) 10 kHz
(b) 10 MHz
(c) 1 GHz
(d) 1000 GHz
Answer the following question :
Define 'bandwidth' and describe briefly its importance in communicating signals ?
Write briefly any two factors which demonstrate the need for modulating a signal. Draw a suitable diagram to show amplitude modulation using a sinusoidal signal as the modulating signal.
What do you mean by bandwidth of a signal? Give its importance.
Differentiate between Analog and Digital communication.
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Long distance short-wave radio broadcasting uses
What is meant by deviation in frequency of FM wave?
The audio frequency range is
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