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Electronics and Communication Engineering - Communication Systems

Exercise : Communication Systems - Section 23
16.
The storage capacity of audio CD is 540 Mb per side.
True
False
Answer: Option
Explanation:
No answer description is available. Let's discuss.
17.
In case of a low level AM transmitter, the amplifier modulated stage must be
class A
class B
class B (linear)
class C
Answer: Option
Explanation:
No answer description is available. Let's discuss.
18.
The device most likely to be found in an SSB transmitter is
class C audio amplifier
tuned modulator
class B RF amplifier
class A RF amplifier
Answer: Option
Explanation:
No answer description is available. Let's discuss.
19.
Point out the false statement
impulse noise voltage does not depend on bandwidth
thermal noise is independent of frequency at which it is measured
industrial noise is mostly of impulse type
space noise is observable at frequencies in the range of 8 MHz and higher
Answer: Option
Explanation:
No answer description is available. Let's discuss.
20.
In a low level AM system, the modulated amplifiers stage must be
harmonic devices
non-linear devices
class C amplifier
linear devices
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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