A. The difference frequency is closer to oscillator frequency
B. Lower frequencies are easier to amplify
C. Only the difference frequency can be modulated
D. None of the above
0
![]()
In a TRF radio receiver, the RF and detection stages are tuned to______________?
0
![]()
In the above question, what is the power in sidebands?
A. Radio frequency
B. IF
C. Audio frequency
D. None of the above
0
![]()
In TV transmission, sound signal is ______________modulated?
A. 8 kW
B. 6 kW
C. 06 kW
D. 9 kW
0
![]()
The diode detector in an AM radio receiver is usually found _____________?
A. Amplitude
B. Frequency
C. Phase
D. None of the above
0
![]()
In the above question, what is the power in sidebands ?
A. Before the first RF stage
B. After the first RF stage
C. After several stages of amplification
D. None of the above
0
![]()
Modulation refers to a low-frequency signal controlling the ________________?
A. 8 kW
B. 6 kW
C. 06 kW
D. 9 kW
0
![]()
The major advantage of FM over AM is__________________?
A. Amplitude of the carrier
B. Frequency of the carrier
C. Phase of the carrier
D. May be any of the above
0
![]()
Superhertodyne principle refers to_________________?
A. Reception is less noisy
B. Higher carrier frequency
C. Smaller bandwidth
D. Small frequency deviation
0
![]()
The superhetrodyne principle provides selectivity at ______________stage?
A. Using a large number of amplifier stages
B. Using a push-pull circuit
C. Obtaining lower fixed intermediate frequency
D. None of the above