IndiaBIX

Electronics and Communication Engineering - Radio Receivers

Exercise : Radio Receivers - Section 2
21.
In a receiver, which of the following device has RF input but IF output?
Loudspeaker
Frequency changer
Demodulator
Audio amplifier
Answer: Option
Explanation:
No answer description is available. Let's discuss.
22.
The IF stage of a receiver employs
capacitive coupling
impedance coupling
double-tuned transformer coupling
single-tuned transformer coupling
Answer: Option
Explanation:
No answer description is available. Let's discuss.
23.
A FM signal with modulation index Mf is passed through a frequency doubler. The wave in the output of the doubler will have modulation index of
Mf
Mf/2
2Mf
UMf
Answer: Option
Explanation:
No answer description is available. Let's discuss.
24.
Double spotting in a receiver is due to
poor sensitivity of RF amplifier
high gain of IF amplifier
inadequate image frequency rejection
all of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
25.
Three point tracking can be achieved with
gang condenser
variable selectivity
paddar capacitor
any of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Quick links
Quantitative Aptitude
Verbal (English)
Reasoning
Programming
Interview
Placement Papers