[mythtv-users] OT: Addressable Antenna Switch

Brian Wood beww at beww.org
Mon Sep 7 23:00:58 UTC 2009


On Monday 07 September 2009 16:57:05 David Brodbeck wrote:
> Dennis Cartier wrote:
> > I had thought of this. I even have some switches laying around from days
> > past. I am a bit worried that I would not be able to safely inject the
> > supply voltage and not to mention the DiSEqC control signals onto the
> > coax and have it not interfere ... fry or otherwise hamper the ATSC
> > signal/tuners/etc. I am fairly analog challenged.
>
> Put a DC block before the tuners and you should be OK.  You can get them
> at most places that sell antenna pre-amps.

Or use a power inserter that pushes power in only one direction. Some actually 
have switches or fuses to let you select what direction(s) gets power.

Basically it's a DC block built into the inserter.

-- 
Brian Wood
beww at beww.org


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