The role of envelope detector in an AM receiver is to:

retrieve the message signal

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rectify the AM signal

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modify the AM signal

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modulate the message signal

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retrieve the AM signal

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Solution

The correct option is A retrieve the message signal
The role of envelope detector in an AM receiver is to retrieve the message signal.

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Similar questions

When a sinusodial carrier signal is amplitude modulated by a siusodial message signal m_{1} (t), the modulation index of the resultant AM signal is 0.80. When this AM signal is simultaneously modulated by one more sinusoidal message signal m_{2} (t) the total power of the Am signal become double. The modulation index of the Am signal obtained due to m_{2} (t) alone will be_______

ω_{m}

ω_{e}

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