Electrical Engineering - Re: AM radio: astronomically-high frequency modulator signal present

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Re: AM radio: astronomically-high frequency modulator signal present

Sam Wormley

2007-06-25, 9:25 pm

Radium wrote:
>
> Paul Cardinale said that there is no higher limit to the frequency a
> carrier wave can transport -- regardless of the carrier wave's
> frequency.
>

There are no upper and lower limits.

1fine@itude

2007-06-27, 3:25 am

Randy Poe wrote on 26-06-07 10:30 :
> On Jun 25, 11:24 pm, "John Campbell" <spaml...@spamless.com> wrote:
>
> Isn't Ethernet a baseband signal, i.e. carrier frequency = 0?

It is 'baseband', yes. There is no carrier.

> Hard to get much lower than that.

Ethernet's passband does not include DC.

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