A 1.5 MHz carrier frequency is amplitude-modulated by a 200 kHz sinewave audio signal. The bandwidth...
A 1.5 MHz carrier frequency is amplitude-modulated by a 200 kHz sinewave audio signal. The bandwidth would be A. 40 kHz. B. 405 kHz. C. 4,000 kHz. D. 400 kHz.
Homework Answers
Band width of the Amplitude Modulated signal is = 2 *highest message signal frequency(2*fm)
Here the message signal frequency is 200 kHz.
so the bandwidth would be = 2 *200 =400kHz
so answer is option D.
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