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प्रश्न
What is the function of a 'Repeater' used in communication system?
Write the functions of the following in communication systems:
Repeater
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उत्तर १
A repeater is used to increase the range of the transmission in communication systems with the help of a set of receiver and transmitter.
उत्तर २
Repeater: A repeater is a combination of a receiver and a transmitter. It picks up the signal from a transmitter, amplifies it and retransmits it. A repeater is mainly used to extend the range of a communication system.
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संबंधित प्रश्न
Explain the terms Attenuation used in Communication System.
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:
Receiver
Explain the term demodulation used in a communication system.
Distinguish between broadcast mode and point-to-point mode of communication and give one example for each.
Write the function of receiver in communication system.
What is the function of a bandpass filter used in a modulator for obtaining AM signal?
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.
