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In a modulator it is found that the amplitude spectrum consists a component at fc, the carrier frequency and one component each at fc - fs and fc + fs where fs is the modulating signal frequency. Then the modulator used is | |
A. | AM [Wrong Answer] |
B. | AM or MBFM with modulation index 0.5 [Correct Answer] |
C. | FM [Wrong Answer] |
D. | PAM [Wrong Answer] |