RE: Re: Mv1000 camera issue

["Keith Doxey" <ukha@xxxxxxx>]

Yes it would.

As I didnt get a MV1000 I was unaware that it had Hi-Z inputs.

Dont let Paul find out because he just built a distribuion amp when he
could
have just looped the inputs !!!

Keith

www.diyha.co.uk
www.kat5.tv


> -----Original Message-----
> From: Dave McLaughlin [mailto:dave@xxxxxxx]
> Sent: 02 June 2003 23:06
> To: ukha_d@xxxxxxx
> Subject: RE: [ukha_d] Re: Mv1000 camera issue
>
>
> Hi All,
>  
> Correct me if I am wrong (and I bet you will) but won't the 75 ohm
> termination plug do the same thing. The input to the MV1000
> is designed to
> be high impedance so that you can daisy chain onto another
> device. I assume
> this is the case, because of the termination plugs. You need
> to use these
> with the T pieces.
>  
> Dave...
>  
>
> -----Original Message-----
> From: Keith Doxey [mailto:ukha@xxxxxxx]
> Sent: 02 June 2003 19:01
> To: ukha_d@xxxxxxx
> Subject: RE: [ukha_d] Re: Mv1000 camera issue
>
>
> The only effect of going too low is that the signal would be
> attenuated to
> such a level that the picture would be dark and possibly unstable.
>
> Keith
>
> www.diyha.co.uk
> www.kat5.tv
>
>
> > -----Original Message-----
> > From: Steve Cooper [mailto:steve.cooper@xxxxxxx]
> > Sent: 02 June 2003 18:38
> > To: ukha_d@xxxxxxx
> > Subject: [ukha_d] Re: Mv1000 camera issue
> >
> >
> > --- In ukha_d@xxxxxxx, "Keith Doxey" <ukha@d...>
wrote:
> > > It may be that the input to the MV1000 is AC coupled and
> the camera
> > requires
> > > a DC termination.
> > >
> > > Try connecting a resistor in parallel across the input.
Start with
> > 1Kohm and
> > > work down until you get a decent picture without too much
> > attenuation of the
> > > signal.
> > >
> >
> > Keith to the rescue again, if you put a 2 x 220ohm resistors
(i.e.
> > 440ohms which is what I had handy) across the signal and ground
the
> > cameras work fine.  Worked ok with a 220 or 100ohm on it's own
but
> > not sure what effect this would have longer term (Keith?).  I'm
> > guessing it should be as high as possible 1Kohm gives distortion
> > though.
> >
> > Also make sure you get a signal on a TV first if you are using
scart
> > to scart connector as some of the ground pins may not be commoned
> > together.
> >
> > S.
>
>
>  
>
>
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