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Compare AM with FM
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written 7.3 years ago by
teamques10
★ 70k
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| FM | AM |
|---|---|
| Amp of FM is constant, it is independent of modulation index | Amp of AM wave will change with modulating vtg. |
| Transmitted power remain constant, It is independent of Mf. | Transmitted power is dependent on modulation index |
| All transmitted power is useful | Carrier power and one sideband power are useless |
| B.W = 2[S + fm]. It depends on modulation index | B.W = 2fm does not depend on modulation index |
| Complex equipment required. | Equipment required are less complex |
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