Superhetrodyne Receiver Online Exam Quiz
Superhetrodyne Receiver GK Quiz. Question and Answers related to Superhetrodyne Receiver. MCQ (Multiple Choice Questions with answers about Superhetrodyne Receiver
De-emphasis circuit is used in circuit before detection.
Options
A : TRUE
B : FALSE
C : -
D : -
FM bandwidth can be approximated by __
Options
A : Carson's rule
B : Armstrong's rule
C : Bessel's rule
D : Pythagoras rule
How can we derive FM from PM?
Options
A : by integrating the modulating signal before applying to the PM oscillator
B : by integrating signal out of the PM oscillator
C : by differentiating the modulating signal before applying to the PM oscillator
D : by differentiating signal out of the PM oscillator
If we compared to the USB, the power in the LSB is __
Options
A : one-fourth of USB
B : twice of USB
C : same as USB
D : half of USB
What is the modulation index for getting maximum power in amplitude modulated system?
Options
A : 1
B : 1?2
C : 0.3
D : 0.8
What will be the effect on power in amplitude modulated system if we increase the modulation index?
Options
A : increases
B : becomes twice
C : remains same
D : decreases
Which effect is observed when FM reception deteriorates abruptly due to noise?
Options
A : Threshold effect
B : Capture effect
C : Noise effect
D : Limit effect