🚀 go-pugleaf

On Sep 24, 12:59 pm, "Michael A. Terrell" <mike.terr...@earthlink.net>
wrote:
> "Brian Gregory [UK]" wrote:
>
> > "Green Xenon [Radium]" <gluceg...@excite.com> wrote in message
> >news:46f6d850$0$11068$4c368faf@roadrunner.com...
> > > Hi:
>
> > > One major reason the luminance signals of television are broadcasted on an
> > > AM-carrier instead of FM is because FM requires large amounts of
> > > bandwidth. Is there a way to use FM video without hogging so much
> > > bandwidth?
>
> > > Quotes from
> > >http://groups.google.com/group/sci.electronics.basics/msg/0c013cf5371...:
>
> > > >Multiple-level quadrature modulation,
> > > >"constellation modulation",
> > > >is most common for packing
> > > >lots of bits per Hz of bandwidth.
> > > >The more you pack,
> > > >the better the s/n ratio has to be.
>
> > > >http://en.wikipedia.org/wiki/Quadrature_amplitude_modulation
>
> > > >http://en.wikipedia.org/wiki/Constellation_diagram
>
> > > Does this mean that Quadrature Modulation and Constellation Modulation
> > > can -- at least in theory -- be applied to FM video so that excessive
> > > bandwidth is not needed? If so, then what would be the minimum
> > > radio-frequency required to transmit the video signal?
>
> > No.
>
> > These are like special modified forms of AM.
>
> > You can only use these to reduce bandwidth of an FM signal in the same way
> > that you can use AM to reduce the bandwidth of an FM signal. It just won't
> > be FM any more.
>
>    radium is a troll.  he tries this crap on a lot ot different
> newsgroups, and asks stupid questions to entertain himself.  If you
> don't believe me. look at his posting history on Google Groups, then
> kill file him.
>
> --
> Service to my country? Been there, Done that, and I've got my DD214 to
> prove it.
> Member of DAV #85.
>
> Michael A. Terrell
> Central Florida

We're all trolls, damn you, least the exceptional you.