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Audio sine waves of 3 kHz frequency are used to amplitude modulate a carrier signal of 1.5 MHz. Which of the statements is true ? |
The side band frequencies are 1506 kHz and 1494 kHz The bandwidth required for amplitude modulation is 6 kHz The side band frequencies are 1503 kHz and 1497 kHz The bandwidth required for amplitude modulation is 3 MHz |
The side band frequencies are 1503 kHz and 1497 kHz |
side band frequencies = wc \(\pm \) wm = 1503 kHz, 1497 kHz |
