EXAMIANS
If in a broadcasting studio, a 1000 kHz carrier is modulated by an audio signal of frequency range 100-5000 kHz, the width of channel is __________ kHz.
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VSB modulation is preferred in TV because
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In Pulse Code Modulation system
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In case of low level amplitude modulation system, the amplifiers following the modulated stage must be
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If output power of a radio receiver is doubled, its volume is increased by __________ dB.
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It is found that a ship to ship communication suffers from fading. This can be avoided by using
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Which one of the following is analog?
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For a given carrier wave, maximum undistorted power is transmitted when value of modulation is
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An FM radio receiver which is tuned to a 91.6 MHz broadcast station may receive an image frequency of __________ MHz.
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Assertion (A): In FM the frequency of the carrier is varied by the modulating voltageReason (R): FM and PM are two forms of angle modulation.
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