Advertisements
Advertisements
प्रश्न
What is the function of a 'Repeater' used in communication system?
Write the functions of the following in communication systems:
Repeater
Advertisements
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.
APPEARS IN
संबंधित प्रश्न
Explain the terms : Transmitter in communication system
Write the functions of the following in communication systems:
Receiver
A device X used in communication system can convert one form of energy into another. Name the device X. Explain the function of a repeater 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.
Write the functions of the transducer and repeaters.
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:
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).
An audio signal is modulated by a carrier wave of 20 MHz such that the bandwidth required for modulation is 3 kHz. Could this wave be demodulated by a diode detector which has the values of R and C as
- R = 1 kΩ, C = 0.01 µF.
- R = 10 kΩ, C = 0.01 µF.
- R = 10 kΩ, C = 0.1 µF.
