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

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Re: AM electromagnetic waves: 20 KHz modulation frequencyonanastronomically-low

John Smith I

2007-07-05, 10:33 am

Ron Baker, Pluralitas! wrote:
> ...
> Copying from my original post:
>
> Suppose you have a 1 MHz sine wave whose amplitude
> is multiplied by a 0.1 MHz sine wave.
> What would it look like on an oscilloscope?
> What would it look like on a spectrum analyzer?
>
> Then suppose you have a 1.1 MHz sine wave added
> to a 0.9 MHz sine wave.
> What would that look like on an oscilloscope?
> What would that look like on a spectrum analyzer?
>
>
>

Lots of BS here ...

The signal ends up looking like a 1Mhz signal contained within the walls
of the .1Mhz signal ... and simply said, the 1Mhz signal is enclosed in
the envelope of a .1Mhz signal--the "walls" of this .1Mhz signal being
referred to as "sidebands."

JS

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