[mythtv-users] Consequences of splitting cable input for multiple tuners

Jarod C. Wilson jcw at wilsonet.com
Thu Feb 5 02:55:02 EST 2004


On Feb 4, 2004, at 18:51, Andrew Dodd wrote:

> Quoting Keith Hanlan <mythtv at hanlan.ca>:
>
>> I'm curious to know how many times I can split a cable signal
>> before the degradation becomes noticable. I have added a second
>> tuner card which means that my signal is being split twice - a 3dB
>> loss each time I presume. At what point should I consider getting
>> an amplified splitter since they are quite expensive.
>
> It depends on the cable system unfortunately.

Copy that.

> In my case it took experimentation (and a few returned RF amps) to 
> figure out
> the exact limit on noise figure for my antenna system.  (i.e. I am 
> definately
> limited by SNR at the antenna at this point, the only way I can get 
> better
> signal is to put the antenna in a better position.)

I have had excellent results with the ~$45 amplified 4-way splitter 
from RadioShack (I sound like a freakin' RS ad tonight, don't I?), so 
it isn't *that* expensive if you have to go amped.

-- 
Jarod C. Wilson, RHCE

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