RE: HomeVision Supply Voltage...

["Keith Doxey" <ukha@xxxxxxx>]

Wasteful, also to work reliably a regulator needs a minimum of 3 volts drop
at all times. Diodes are easier.

> -----Original Message-----
> From: Ian B [mailto:Ian@xxxxxxx]
> Sent: 18 October 2001 10:18
> To: ukha_d@xxxxxxx
> Subject: RE: [ukha_d] HomeVision Supply Voltage...
>
>
> Just run a voltage regulator from 12 to 9 - problem solved. I have
some
> quite meaty ones if you want to give it a try.
>
> Ian
>
> > -----Original Message-----
> > From: Phil Harris [mailto:phillip.harris1@xxxxxxx]
> > Sent: 18 October 2001 09:17
> > To: ukha_d@xxxxxxx
> > Subject: [ukha_d] HomeVision Supply Voltage...
> >
> >
> >
> > I know that HV is shipped with a 9v PSU but does anyone know
whether the
> > regulation on it is up to the job of being driven from 12v?
> >
> > The reason I ask is I'm thinking of recasing it in a box that
> > will enable me
> > to include an expansion card or two (as Mark, Keith and a
> couple of others
> > have) and I have some nice and fairly meaty external drive PSUs
> which put
> > out 12v and 5v and don't need a load on the 5v line to supply a
> steady 12v
> > load. (PC PSUs generally need to have load on both the 12v and
> 5v lines at
> > least before they work correctly.) This would mean that I could
> > build in the
> > PSU too which would get rid of a wall wart or two!
> >
> > Phil
> >
> >
> >
> > For more information: http://www.automatedhome.co.uk
> > Post message: ukha_d@xxxxxxx
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> >
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>
>
>



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