If An amplitude modulation circuit was used and the modulating signal was set to 0 and the input voltage was set to 25V. The carrier frequency fc varied. What effects will there be when the carrier frequency is varied?
Please help.
Do not understand your question...
You say the modulating signal is set to 0 which IS the input to the AM modulator. 25 volts means nothing without more background.
Depending on how much the fc is varied, the receiver will fail to detect carrier.
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