MEDIUM
KEAM
IMPORTANT
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A TV transmitting antenna is tall. It has half-power, beam-width of degrees, If the receiving antenna is at the ground level, the service area covered by the transmitter is determined by
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Important Questions on Communication Systems
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KEAM
IMPORTANT
In amplitude modulation of audio frequency , the appropriate carrier frequency to be used is
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IMPORTANT
For signal transmission, modulation is necessary
MEDIUM
KEAM
IMPORTANT
In the amplitude modulation mode of transmission, the normal speed signal is with a maximum frequency of If the carrier frequency is the modulated signal will have the frequencies varying between
