Electronics and Communication Engineering - Radio Receivers

Exercise : Radio Receivers - Section 2
26.
In a transistor receiver, the use of FET as the first stage amplifier is likely to
improve selectivity of the receiver
improve the effectiveness of the AGC
reduce the effect of negative peak clipping
reduce the effect of noise at all frequencies
Answer: Option
Explanation:
No answer description is available. Let's discuss.

27.
The household radio receiver uses
synchronous
envelope detector
radio detector
none of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.

28.
The source of which of the following noise is different from that of the remaining?
Solar noise
Cosmic noise
Galactic noise
Atmospheric noise
Answer: Option
Explanation:
No answer description is available. Let's discuss.

29.
A receiver having poor IF selectivity will also have poor
sensitivity
double spotting
blocking
all of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.

30.
Statement 1
Diode is the most common device used for demodulation.
Statement 2
A discriminator is a FM detector.
Statement 1 is true but statement 2 is false
Statement 1 is false but statement 2 is true
Both the statements are true
Both the statements are false
Answer: Option
Explanation:
No answer description is available. Let's discuss.