According to Carson’s rule, what is the bandwidth of the signal with a deviation of 30kHz and a maximum modulating signal of frequency 5kHz?(a) 70kHz(b) 90kHz(c) 100kHz(d) 80kHzI had been asked this question in an internship interview.The above asked question is from Frequency, Phase Modulation, Modulation Index and Sidebands in division Amplitude & Frequency Modulation of Avionics

According to Carson’s rule, what is the bandwidth of the signal with

1.	According to Carson’s rule, what is the bandwidth of the signal with a deviation of 30kHz and a maximum modulating signal of frequency 5kHz?(a) 70kHz(b) 90kHz(c) 100kHz(d) 80kHzI had been asked this question in an internship interview.The above asked question is from Frequency, Phase Modulation, Modulation Index and Sidebands in division Amplitude & Frequency Modulation of Avionics
Answer» The correct option is (a) 70kHz The explanation is: ACCORDING to CARSON’s rule, BW [fd(MAX) + fm(max)] = 2(30 + 5) = 70Khz.

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