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प्रश्न
Draw the block diagram of a receiver in communication system
Draw a neat and labelled block diagram of a receiver
उत्तर
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संबंधित प्रश्न
Draw a block diagram of generalized communication system.
Ionosphere mainly consists of _______.
Draw a neat, labelled block diagram for a generalised communication system.
Name the essential components of a communication system.
Distinguish between ‘Analog’ and ‘Digital’ forms of communication.
Write two basic modes of communication
Any device that converts one form of energy into another is termed as ______.
(A) amplifier
(B) transducer
(C) receiver
(D) demodulator
For efficient radiation and reception of signal with wavelength λ, the transmitting antennas would have length comparable to ______.
(A)`lambda` of frequency used
(B)`lambda/2` of frequency used
(C )`lambda/3` of frequency used
(D)`lambda/4` of frequency used
Explain the terms : Receiver in communication system
Write the functions of each of the following in communication system : Channel
Distinguish between a transducer and a repeater.
What is the line of sight communication?
Write, giving a reason, the frequency range used in this mode of communication of propagation.
Explain the basic concept of mobile telephoning.
Explain, with the help of a suitable diagram, the space wave mode of propagation. Give two examples in communication systems where this mode is used. What is the frequency range of these waves? Give reason for using this range of frequency.
Name the type of waves which are used for line of sight (LOS) communication. What is the range of their frequencies?
A transmitting antenna at the tope of a tower has a height of 20 m and the height of the receiving antenna is 45 m. Calculate the maximum distance between them for satisfactory communication in LOS mode. (Radius of the Earth = 6.4 × 106 m)
Mention the function of any two of the following used
(i) Transducer
(ii) Repeater
(iii) Transmitter
(iv) Bandpass Filter
Explain the function of a repeater in a communication system.
Explain the terms (a) Transducer and (b) Attenuation in communication system.
A transmitting antenna of height h and the receiving antenna of height 45 m are separated by a distance of 40 km for satisfactory communication in line of sight mode. Then the value of h is (given radius of the earth is 6400 km):
Which of the following is the communication channel in case of radio communication?
