🚀 go-pugleaf

In article <1a86fd28-bebe-4f09-8d0b-1a6685d01ce3@b34g2000pra.googlegroups.com>, GreenXenon <glucegen1x@gmail.com> wrote:
>Hi:
>
>In frequency modulation:
>
>Increasing the modulator=92s amplitude will increase the extent to which
>the carrier frequency varies from baseband. In other words, a larger
>modulation amplitude will cause the carrier to occupy a larger range
>of frequencies than a smaller modulation amplitude
>
>Increasing the modulator=92s frequency will increase the rate in which
>the carrier frequency changes. So why is it impossible to transmit a
>higher-frequency modulator signal on a lower-frequency FM carrier
>signal?

If you got 100 mHz carrier a 1 Ghz modulator
it will try to give byproducts which can't be had. A minus 1.1 Ghz is impossible.

Kind of like aliasing I think..

greg 

>I can understand how increasing the modulator=92s amplitude will
>increase the bandwidth the carrier uses.
>
>I don=92t understand how increasing the modulator=92s frequency will
>increase the bandwidth taken up by the carrier. Higher modulator
>frequency simply means the carrier=92s frequency will vary faster; it
>will not take up more frequencies unless the mod=92s amplitude
>increases.
>
>
>Thanks,
>
>Green