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Splitting a TV aerial feed



 
 
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  #1  
Old November 25th 06, 04:42 PM posted to uk.tech.digital-tv
Victor Delta
external usenet poster
 
Posts: 1
Default Splitting a TV aerial feed

We live in a poor to moderate signal strength area and have a 4 output
aerial
amplifier in the loft. In our living room, the coax to our main family
TV
goes through some sort of power unit (presumably to feed the loft amp)
and
then on to the TV.

I would like to feed another TV in an adjacent room without, if
possible,
having to run another coax all the way from the loft. My question is
can I
split the feed to the main TV and, if so, is it ok to use a simple coax
Y
connecter or do I need to use something else?

Thanks,

V

  #2  
Old November 26th 06, 07:55 AM posted to uk.tech.digital-tv
Steve
external usenet poster
 
Posts: 1
Default Splitting a TV aerial feed


"Victor Delta" wrote in message
oups.com...
We live in a poor to moderate signal strength area and have a 4 output
aerial
amplifier in the loft. In our living room, the coax to our main family
TV
goes through some sort of power unit (presumably to feed the loft amp)
and
then on to the TV.

I would like to feed another TV in an adjacent room without, if
possible,
having to run another coax all the way from the loft. My question is
can I
split the feed to the main TV and, if so, is it ok to use a simple coax
Y
connecter or do I need to use something else?

Thanks,

V


Yes you could use a Y splitter. but as you may already be aware, they are
very lossy. I would advise taking another feed from the amp in the loft if
you dont want to compromise the feed to the family TV. Especially so,
because you are in a poor/moderate signal area. You really dont need to be
compromising what little signal you have by dropping lossy Y connectors in
the chain if there is a better way of doing it.





  #3  
Old November 26th 06, 09:44 AM posted to uk.tech.digital-tv
Ian Jackson
external usenet poster
 
Posts: 257
Default Splitting a TV aerial feed

In message , Steve
writes

"Victor Delta" wrote in message
roups.com...
We live in a poor to moderate signal strength area and have a 4 output
aerial
amplifier in the loft. In our living room, the coax to our main family
TV
goes through some sort of power unit (presumably to feed the loft amp)
and
then on to the TV.

I would like to feed another TV in an adjacent room without, if
possible,
having to run another coax all the way from the loft. My question is
can I
split the feed to the main TV and, if so, is it ok to use a simple coax
Y
connecter or do I need to use something else?

Thanks,

V


Yes you could use a Y splitter. but as you may already be aware, they are
very lossy. I would advise taking another feed from the amp in the loft if
you dont want to compromise the feed to the family TV. Especially so,
because you are in a poor/moderate signal area. You really dont need to be
compromising what little signal you have by dropping lossy Y connectors in
the chain if there is a better way of doing it.



I'm not sure what the definition of a 'Y splitter'. If it is a low-loss
2-way splitter, it will have a loss of 3.5 to 4dB. If it is a cheap
resistive splitter, it will have a loss of at least 6dB.

Either way, the answer to your question depends on how much 'spare'
signal you have where you want to put the splitter. Although the aerial
signal is weak, you have amplified it, and there may be more than enough
to allow you to insert the splitter where you want to. However, if the
level is a bit marginal, a direct feed from the amplifier (as advised
above) would be better (assuming that one of the four outputs is spare).

Personally I would do the easy thing and try a splitter first (at the
input the existing TV set) and see if affects the signal. If not, then
use it.

Ian.
--

 




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