IndiaBIX

Electronics and Communication Engineering - Communication Systems

Exercise : Communication Systems - Section 20
16.
While AM has __________ frequencies, FM has __________ number of sidebands.
2, 3
3, 3
3, 5
3, infinite
Answer: Option
Explanation:
No answer description is available. Let's discuss.
17.
In VHS format diameter of head drum is about
1 m
20 cm
6 cm
1 cm
Answer: Option
Explanation:
No answer description is available. Let's discuss.
18.
The correct sequence of subsystem in an FM receiver is
mixer, RF amplifier, limiter, IF amplifier, discriminator, audio amplifier
RF amplifier, mixer, IF amplifier, limiter, discriminator, audio amplifier
RF amplifier, mixer, limiter, discriminator, IF amplifier, audio amplifier
mixer, IF amplifier, limiter, audio amplifier, discriminator
Answer: Option
Explanation:
No answer description is available. Let's discuss.
19.
A wave is frequency modulated with an index of 0.1 and its frequency is multiplied by 8 times, the modulation index is
not changed
decreased 8 times
increased 4 times
increased 8 times
Answer: Option
Explanation:
No answer description is available. Let's discuss.
20.
Short circuited stubs are preferred to O.C stubs because
O.C stubs are incapable of giving full range of reactances
O.C stubs are liable to radiate
O.C stubs are difficult to make and connect
none of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Quick links
Quantitative Aptitude
Verbal (English)
Reasoning
Programming
Interview
Placement Papers