[linux-dvb] [OT] UHF masthead amp power supply location

Martin Thompson hireach at internode.on.net
Fri Feb 29 11:22:01 CET 2008

years ago i had a sat installed
because of the wall they used a combiner/decoder with power pass
like these


so the power goes via the cable but not onto the fta side
put your amp power supply up in the roof after teh combiner

----- Original Message ----- 
From: "Nicolas Will" <nico at youplala.net>
To: <linux-dvb at linuxtv.org>
Sent: Friday, February 29, 2008 8:25 AM
Subject: [linux-dvb] [OT] UHF masthead amp power supply location

> This this OT, but I don't really know where to ask. And after all, the
> odds are that I will find a person with that sort of knowledge here.
> I currently have a masthead amp for my DVB-T antenna. It uses a power
> supply in the house that inject current through the antenna cable.
> I am now installing my Sat DVB-S system properly (i.e. not with a cable
> going through an open window), and I'd like to use a combiner/splitter
> system as I cannot lay a new cable from the dish to the tuner for the
> satellite signal (very old granite house), and I would like the existing
> cable going under the floor.
> I am afraid that the masthead amp power supply will be bothering the
> whole deal. I cannot get rid of the amp, my DVB-T reception is too weak
> without it.
> Here are diagrams of my 2 options:
> http://www.youplala.net/~will/htpc/Satellite/masthead_amp-where.png
> Option A - This is the easiest for me to achieve, but the position of
> the power supply worries me.
> Option B - I'm confident that this is technically sound, except that the
> necessary physical location of the power supply in this case has no
> power plug nearby...
> My question is: can Option A fly?
> Thanks for your help.
> Nico
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