Cable Splitter Specs

Cable Splitter Specs

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Subject Author Date
Cable Splitter Specs George Berger 09-10-2005
Posted by George Berger on September 10, 2005, 4:49 pm
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The previous Comcast "installer" showed up with a two-way splitter that
had the appearance of being mass-purchased at a Chinese garage sale. No
indications as to bandpass or to db losses in each output. Anyway, he
was unable to complete the high-speed Internet connection, and left with
the splitter still in his pocket.

In our local electronics shop, I've seen two-way RCA digital splitters,
5 MHz to 1 GHx, with -3.5 db loss claimed for each output, and another
splitter claiming 5 MHz to 2.3 GHz.

Which (or what) should I look for (splitter specs) when the next
"installer" comes to hook up my high-speed Internet connection?

BTW: Our home is already completely wired with RG6, and I've tested each
outlet, using a TV set from Channel 2 to Channel 99, to ensure good
connections.

TIA

George

--
I know that you believe that you understood what you think I said, but I am
not sure you realize that what you heard is not what I meant.
-- Robert McCloskey, State Department spokesman (attributed)


Posted by Lucas Tam on September 10, 2005, 9:01 pm


1A97FD.16495110092005@news101.his.com:

> The previous Comcast "installer" showed up with a two-way splitter
that
> had the appearance of being mass-purchased at a Chinese garage sale

Well these days everything is made in China ... : )


> In our local electronics shop, I've seen two-way RCA digital
splitters,
> 5 MHz to 1 GHx, with -3.5 db loss claimed for each output, and another
> splitter claiming 5 MHz to 2.3 GHz.

1GHz splitter is good enough for digital cable.
2Ghz splitters are used for digital satellite TV.


> Which (or what) should I look for (splitter specs) when the next
> "installer" comes to hook up my high-speed Internet connection?

Use a 1ghz splitter. Home Depot has Ideal splitters for ~3.00USD.

However, if you signal is weak, you may beed a 1ghz bi-directional
amplifier. Radioshack has some decent 1ghz amps for ~20USD or less.

eBay is another good place to look - search for Electroline amps, I
picked up a couple for ~10 - 15.00 each.

> BTW: Our home is already completely wired with RG6, and I've tested
>each outlet, using a TV set from Channel 2 to Channel 99, to ensure
> good connections.

Testing from Channel 2 to 99 only tests the quality of the lower bands
which analog CATV uses. So while analog TV may work fine... digital
cable is more pick.




--
Lucas Tam (REMOVEnntp@rogers.com)
Please delete "REMOVE" from the e-mail address when replying.

Newmarket Volvo Sucks! http://newmarketvolvo.tripod.com


Posted by James Knott on September 10, 2005, 5:20 pm


Lucas Tam wrote:

> Well these days everything is made in China ... : )
>

I've got some china that was made in England. ;-)



Posted by Quaoar on September 11, 2005, 7:09 pm


Lucas Tam wrote:
> 1A97FD.16495110092005@news101.his.com:
>
>> The previous Comcast "installer" showed up with a two-way splitter
>> that had the appearance of being mass-purchased at a Chinese garage
>> sale
>
> Well these days everything is made in China ... : )
>
>
>> In our local electronics shop, I've seen two-way RCA digital
>> splitters, 5 MHz to 1 GHx, with -3.5 db loss claimed for each
>> output, and another splitter claiming 5 MHz to 2.3 GHz.
>
> 1GHz splitter is good enough for digital cable.
> 2Ghz splitters are used for digital satellite TV.
>
>
>> Which (or what) should I look for (splitter specs) when the next
>> "installer" comes to hook up my high-speed Internet connection?
>
> Use a 1ghz splitter. Home Depot has Ideal splitters for ~3.00USD.
>
> However, if you signal is weak, you may beed a 1ghz bi-directional
> amplifier. Radioshack has some decent 1ghz amps for ~20USD or less.
>
> eBay is another good place to look - search for Electroline amps, I
> picked up a couple for ~10 - 15.00 each.
>
>> BTW: Our home is already completely wired with RG6, and I've tested
>> each outlet, using a TV set from Channel 2 to Channel 99, to ensure
>> good connections.
>
> Testing from Channel 2 to 99 only tests the quality of the lower bands
> which analog CATV uses. So while analog TV may work fine... digital
> cable is more pick.

Just to clarify, Comcast has started digital simulcasting the lower band
analog channels. A digital cable box is required.

Q

Q





Posted by Gary on September 11, 2005, 9:55 pm


>
> Just to clarify, Comcast has started digital simulcasting the lower band
> analog channels. A digital cable box is required.

Just to clarify your clarification, a digital cable box is only needed if
you want to watch the digital version of the channel. Simulating means that
the analog versions are still there, and can still be received by any cable
ready consumer equipment.

This also varies by market, as Comcast has not turned on digital simulating
in all of their markets.

-Gary




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