Angle Modulation » Exercise - 18. In FM, the frequency deviation is : (a) Constant (b) Zero (c) Proportional to modulating frequency (d) Proportional to amplitude of modulating signal
Angle Modulation » Exercise - 1 1. In FM the carrier deviation is determined by – (a) Modulating (b) Frequency (c) Either of the above (d) None of the above
Angle Modulation » Exercise - 1 11. In a FM signal, the power …… as the modulation index increases. (a) Increases (b) Decreases (c) Remains constant (d) None of these
Amplitude Modulation » Exercise - 13. The percentage of modulation for 45 kHz deviation the FM broadcast band will be - (a) 30% (b) 40% (c) 60% (d) 90%
Amplitude Modulation » Exercise - 16. When signal amplitude is equal to the amplitude of the carrier, the percentage modulation factor will be : (a) 25 (b) 50 (c) 100 (d) 200