TELECOM Digest OnLine - Sorted: Question on PAM Modulation?


Question on PAM Modulation?


yijun_lily@yahoo.com
17 Feb 2005 09:38:40 -0800

Dear all,

Just read a book on telecom. Have a question on PAM.

Why is carrier added when envelope detector is used for PAM? What is
the carrier adding for?

I think envelope detector can be used for PAM with depressed carrier
too, right?

Thanks.

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