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AM and DSBSC waveform comparison ?

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fran1942

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Hello, I am wondering what sort of visual differences you would see between an AM modulated waveform with carrier and a DSBSC waveform (suppressed carrier) in the time domain on an oscilloscope.

Any help would be appreciated.
 

Here's what it looks like with 50Hz modulation. As expected, the envelope of the AM signal looks like the modulating signal, with offset. The envelope of the DSBSC signal looks like a full-wave rectified version of the modulating signal. Overmodulated AM is inbetween.


 

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