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प्रश्न
Write the function of receiver in communication system.
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उत्तर
Receiver :
A receiver extracts the desired message signal from the received signal at the channel output.
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संबंधित प्रश्न
Explain the terms Attenuation used in Communication System.
Explain the terms : Transmitter in communication system
Write the functions of the following in communication systems:
Transmitter
Write the functions of the following in communication systems:
Demodulator
Explain the term demodulation used in a communication system.
Distinguish between point to point and broadcast modes of communication. Give an example of each.
Write the functions of the transducer and repeaters.
A 1 KW signal is transmitted using a communication channel which provides attenuation at the rate of – 2dB per km. If the communication channel has a total length of 5 km, the power of the signal received is `["gain in dB" = 10 log ("P"_0/"P"_"i")]`
A basic communication system consists of ______.
- transmitter.
- information source.
- user of information.
- channel.
- receiver.
Choose the correct sequence in which these are arranged in a basic communication system:
Audio sine waves of 3 kHz frequency are used to amplitude modulate a carrier signal of 1.5 MHz. Which of the following statements are true?
- The sideband frequencies are 1506 kHz and 1494 kHz.
- The bandwidth required for amplitude modulation is 6 kHz.
- The bandwidth required for amplitude modulation is 3 MHz.
- The side band frequencies are 1503 kHz and 1497 kHz.
