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From: "M.K" <[spam]firstname.lastname@example.org>
Subject: Re: LMH6643 Video Driver Question
X-Newsreader: Microsoft Outlook Express 6.00.2720.3000
Date: Sat, 30 Nov 2002 05:43:22 GMT
NNTP-Posting-Date: Sat, 30 Nov 2002 00:43:22 EST
Your make'n complete sence....
just one thought though....
for the audio.... could i use a cheaper easy to get audio driver? or should
i stick to the LMH6643's ?
will the good ole 741 do the trick ?
and any idea what i should modify the load resistors in the circut diagram
for the audio ? video is 75 Ohms... what should i put in place of them ???
"John Jardine" wrote in message
> M.K <[spam]email@example.com> wrote in message
> > When you say "(Putting the audio on top of the video would be very
> > do you mean running the audio on two seperate line other than the
> > but housed in the same CAT-5 line ?
> > any idea's how i would x-mit audio & video on a single twisted pair than
> > Marc
> What I was saying, was that electrically modulating an audio stereo signal
> onto the existing video signal (without sound/vision interference), is
> technically complicated. I.e trying to put all the vid+audio down only two
> The best way is as you were thinking ...
> Put video down 2 CAT5 wires.
> Put left audio down 2 CAT5 wires.
> Put right audio down 2 CAT5 wires.
> Leaving 2 wire spare for power.
> Your video driver circuits will work from DC to many MHz with little
> distortion and are quite happy to carry audio or video signals.
> Hope I'm making sense ;-)
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