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प्रश्न
Draw a diagram showing an amplitude modulated wave by superposing a modulating signal over a sinusoidal carrier wave.
उत्तर
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संबंधित प्रश्न
Digital signals
(i) Do not provide a continuous set of values,
(ii) Represent values as discrete steps,
(iii) Can utilize binary system, and
(iv) Can utilize decimal as well as binary systems.
Which of the above statements are true?
(a) (i) and (ii) only
(b) (ii) and (iii) only
(c) (i), (ii) and (iii) but not (iv)
(d) All of (i), (ii), (iii) and (iv).
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.
What do you mean by bandwidth of a signal? Give its importance.
Differentiate between Analog and Digital communication.
A TV tower has a height of 100 meter. If the coverage range is to be made three times then the height of the tower should be increased by.
Broadcasting antennas are generally
The audio frequency range is
Broadcast band in which FM lies is ______.
Would sky waves be suitable for transmission of TV signals of 60 MHz frequency?
