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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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उत्तर
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संबंधित प्रश्न
Frequencies in the UHF range normally propagate by means of:
(a) Ground waves.
(b) Sky waves.
(c) Surface waves.
(d) Space waves.
Distinguish between ‘Analog and Digital signals’.
Write any two factors which justify the need for modulating a signal ?
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.
The area of the region covered by the TV broadcast by a TV tower of 100 m height is (Radius of the earth = 6.4 × 106 m):
Long distance short-wave radio broadcasting uses
Broadcasting antennas are generally
What is meant by deviation in frequency of FM wave?
The audio frequency range is
Broadcast band in which FM lies is ______.
