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When does overmodulation take place and what is its effect? b- State the advantages and disadvantages...

When does overmodulation take place and what is its effect?
b- State the advantages and disadvantages of DSB-SC?
c- What do you mean by Frequency Division Multiplexing.
d- What is the effect of m (modulation index) on the carrier power in AM?
e- How can you obtain a DSB-SC signal?

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