[mythtv-users] SPDIF Brackets building them for sale

[Sean Goodpasture]

On Dec 21, 2007 7:50 PM, Scott Pleavin <scott.pleavin at rogers.com> wrote:

> Would you need the same resistor and capacitor on a S/PDIF input?
>
> Scott
>
> Adilson Oliveira wrote:
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> > Willy Boyd escreveu:
> >
> >> On Dec 20, 2007 2:56 PM, Sean Goodpasture <goofygrin at gmail.com> wrote:
> >>
> >>> I'd have to take apart my main front end... Maybe this weekend.  I'm
> using
> >>> it with the asus M2NPV and it's not nearly as complicated as what the
> other
> >>> David posted...
> >>>
> >> So you just wired it straight up?  No resistors or capacitors needed?
> >> Because I have the same motherboard.  Sounds like a simple little hack
> >> to attempt this weekend.
> >>
> >
> > You *do* need a resistor and capacitor. If you wire in directly, it
> > might work but the resistor helps adjusting the impedance and the
> > capacitor provides a DC isolation. I failed to do that once (I have the
> > same MB) and almost burned my receiver.
> > A simple circuit like this is enough.
> >
> >          100nF
> >   TTL ----||-----330ohm--+--------- coax S/PDIF signal out
> >   in                     |
> >                       100ohm
> >                          |
> >  Ground -----------------+--------- coax signal ground
> >
> >
> > []s
> >
> > Adilson.
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> >
>
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>
COAX and SPDIF are the same thing.  Optical is the same data over a
different transmission method.
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