[mythtv-users] Hauppauge 1609 and Pixelation Tests

John Pilkington johnpilk222 at gmail.com
Sat Jun 1 12:12:13 UTC 2019

On 01/06/2019 12:33, Stephen Worthington wrote:

> With modern tuners it is difficult to tell.  It used to be that you
> knew that a quad tuner card had to have a four way splitter on it. But
> that is no longer the case - I have an 8 tuner DVB-T2 and an 8 tuner
> DVB-S2 card where there is one aerial input feeding all the tuners,
> but all tuners get the same signal level as the aerial input provides.
> I do not know how they do that.  Some recent quad tuner cards also
> work that way.

Their first element is a low-noise amplifier, followed by the splitter. 
The signal-to-noise-ratio stays high.  You can do the same thing with 
external amps and splitters, but newer designs can do it in silicon.

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