Cingular cell phone service - Re: AM electromagnetic waves: 20 KHz modulation

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Re: AM electromagnetic waves: 20 KHz modulation

Don Bowey

2007-07-06, 3:33 pm

On 7/6/07 10:26 AM, in article
KWuji.18434$2v1.13558@newssvr14.news.prodigy.net, "Tommy Tootles"
<tommy@toot.com> wrote:

> John Smith I wrote:
>
> Uh, John...respectfully, I have to wonder just who is on drugs.
>
> The original poster *ASKED* about *DSB* vs. AM

Which means he asked about a process (AM), and one of the output
permutations of AM (DSB), which as you point out can have several options.

>
> YOU *ANSWERED* about *SSB*. Here is the correct answer...
>
> There are two broad types of DSB (double sideband) transmission:
>
> DSB-RC and DSB-SC, meaning BOTH sidebands are transmitted, but with
> either a (R)educed (C)arrier or a (S)urpressed (C)arrier. AM sends both
> sidebands and full carrier.

All of them are AM in different forms using different added circuitry.
There are many ways to achieve them.
>
> Hope that answers the OP's question>

>
> Tommy T.

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