IndiaBIX

Electronics and Communication Engineering - Radio Receivers

Exercise : Radio Receivers - Section 2
1.
Noise limiter is provided on AM receivers to
reduce interfering noise due to ignition system
reduce noise due to electrical storms
reduce interference due to electrical machinery
all of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
2.
A low ratio of the A.C. load impedance of a diode detector results in
diagonal clipping
poor AGC operation
poor AF response
negative peak clipping
Answer: Option
Explanation:
No answer description is available. Let's discuss.
3.
A trimmer is basically a
insulator
inductor
capacitor
variable resistor
Answer: Option
Explanation:
No answer description is available. Let's discuss.
4.
In a radio receiver
all stages contribute equally to noise
RF stage has no effect on S/N ratio
mixer stage contributes most of the noise generated
Answer: Option
Explanation:
No answer description is available. Let's discuss.
5.
Which curve represents the fidelity curve of a standard receiver?
Curve A
Curve B
Curve C
Curve D
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Quick links
Quantitative Aptitude
Verbal (English)
Reasoning
Programming
Interview
Placement Papers