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

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Re: AM electromagnetic waves: 20 KHz modulation frequency on an

Don Bowey

2007-06-30, 10:33 pm

On 6/30/07 7:31 PM, in article f673m1$9v1$1@nnrp.linuxfan.it, "John Smith I"
< assemblywizard@gmail
.com> wrote:

> Radium wrote:
>
>
> Let logic be your guide, again. As was pointed out earlier, the voice
> freqs which modulate the carrier will cause a variance in freq (a small
> fm component.)

This will not happen in a properly designed transmitter. It is not a
characteristic of AM.
>
> In fm, it is not unusual for a small "amplitude modulation" to be
> generated, as the varying/spanning of freq(s) is caused by the
> modulation, some changes in fm carrier can be generated.
>
> In an imperfect world, nothing is "perfect."
>
> Regards,
> JS

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