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प्रश्न
Write the functions of the transducer and repeaters.
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उत्तर
The function of a transducer is to convert one form of energy into another form. A microphone at the transmitting station is one of the examples of a transducer.
The function of a repeater is to regenerate the signal which can be transmitted forward. A repeater is a combination of a receiver, amplifier, and a transmitter. A repeater receives the signal, amplifies it and then retransmits it forward.
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संबंधित प्रश्न
Write the functions of the following in communication systems:
Transmitter
Write the functions of the following in communication systems:
Modulator
Write the functions of the following in communication systems:
Transducer
Explain the term demodulation used in a communication system.
Distinguish between point to point and broadcast modes of communication. Give an example of each.
Distinguish between point to point and broadcast modes of communication. Give an example of each.
What is the function of a bandpass filter used in a modulator for obtaining AM signal?
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:
Figure shows a communication system. What is the output power when input signal is of 1.01 mW? (gain in dB = 10 log10 (Po/Pi).
