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Electronics and Communication Engineering - Radio Receivers

Exercise : Radio Receivers - Section 1
16.
In a receiver, which of the following device has IF input but RF output?
Demodulator
Loudspeaker
Audio amplifier
Frequency changer
Answer: Option
Explanation:
No answer description is available. Let's discuss.
17.
Transistor are free from which type of noise?
Resistance noise
Partition noise
Flicker noise
Shot noise
Answer: Option
Explanation:
No answer description is available. Let's discuss.
18.
Standard AM radio broadcasts are confined to
MF
HF
VHF
UHF
Answer: Option
Explanation:
No answer description is available. Let's discuss.
19.
In a radio receiver with simple AGC
the highest AGC voltage is produced between stations
the faster the AGC time constant, the more accurate the output
an increase in signal strength produces more AGC
the audio stage gain is normally controlled by AGC
Answer: Option
Explanation:
No answer description is available. Let's discuss.
20.
Which of the following cannot be used to demodulate SSB?
Complete phase-shift generator
Product detector
Diode balanced modulator
Bipolar transistor balanced modulator
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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