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Electronics and Communication Engineering - Communication Systems

Exercise : Communication Systems - Section 17
31.
In frequency modulation noise can be further reduced by
increasing deviation
reducing deviation
reducing carrier frequency
increasing signal amplitude
Answer: Option
Explanation:
No answer description is available. Let's discuss.
32.
Which one of the following is digital?
Pulse code modulation
Pulse width modulation
Pulse frequency modulation
Pulse position modulation
Answer: Option
Explanation:
No answer description is available. Let's discuss.
33.
Automatic sensitivity control by target voltage control is easily possible in
Vidicon
Plumbicon
New vicon
both (b) and (c)
Answer: Option
Explanation:
No answer description is available. Let's discuss.
34.
Pick the odd one out
PPM
PDM
PWM
PLM
Answer: Option
Explanation:
No answer description is available. Let's discuss.
35.
In a colour TV receiver SAW filter consists of
piezoelectric substrate on which are deposited two inter, digital transducers
photo conductive substrate which are deposited two inter digital transducers
photo voltaic substrate which are deposited two inter digital transducers
photo resistive substrate which are deposited two inter digital transducers
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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