[mythtv-users] PVR250 - PVR350 Europe vs US

[Tony Clark]

On Thu, 15 Jan 2004 11:17 am, Andrew Dodd wrote:
> Quoting Tony Clark <tclark at telia.com>:
> > On Wed, 14 Jan 2004 11:03 pm, Mark Howells wrote:
> > > > -----Original Message-----
> > > > From: Steven Cruysberghs [mailto:steven.cruysberghs at pi.be]
> > > > I was wondering if I would be
> > > > able to use a US PVR250 here in Europe. The price difference
> > > > is enourmous. The cheapest pvr250 I found here is 193 ˆ ~ 230
> > > > $ (and 238 ˆ for the PVR350). This is 3x the price for the
> > > > the card in the US.
> > >
> > > A UK card should work...
> >
> > Don't bet on that.  Sound IF is different for the UK so your likely get a
> > picture with no sound.
>
> The MSP3400 handles sound subcarrier demodulation, and is completely
> reconfigurable.
>
> I'm guessing the most likely differences between the tuners for each
> standard are the IF filter bandwidths.
>
> I'd need to look at the source more closely to be sure.  The tuners and the
> MSP3400 are both quite reconfigurable, but if the IF filters are different
> then the tuners won't be completely compatible.  If the IF bandwidth is too
> narrow, it just won't work properly.  If it's too wide, noise immunity and
> selectivity suffer.
 The sound IF subcarrier is on a different frequency.  You need to change the 
tuner, while I haven't looked, that may not be too difficult.

tony