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Electronics and Communication Engineering - Communication Systems

Exercise : Communication Systems - Section 12
26.
Foster Seeley discriminator uses a
single tuned circuit
double tuned circuit with primary and secondary tuned to the same frequency
double tuned circuit with primary and secondary tuned to the different frequency
none of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
27.
Which of the following statement about modulation is correct?
It avoid use of antennas
It reduces bandwidth
It ensures transmission over long distances
It combines different transmissions
Answer: Option
Explanation:
No answer description is available. Let's discuss.
28.
Sound wave travels as
longitudinal waves
transverse waves
both longitudinal and transverse waves
either longitudinal or transverse wave
Answer: Option
Explanation:
No answer description is available. Let's discuss.
29.
FM signal can be generated by
diode reactance modulator
saturable reactor modulator
reactance tube modulator
none of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
30.
A planar array radar uses a high gain planar array antenna.
True
False
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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