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HDTV Reception Forum - View Post
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The following page was printed from RemoteCentral.com:
| Topic: | Diplexers This thread has 4 replies. Displaying all posts. |
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| Post 1 made on Sunday June 23, 2002 at 10:55 |
jjoseph Founding Member |
Joined:
Posts: | August 2001
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Any suggestions on high quality diplexers for my SAT system?
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| Post 2 made on Monday June 24, 2002 at 11:32 |
ECHOSLOB Founding Member |
Joined:
Posts: | February 2002
391 |
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| Post 3 made on Thursday June 27, 2002 at 12:55 |
kabster Founding Member |
Joined:
Posts: | July 2001
1,606 |
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Channel Plus , Channel Master , Pico Maycom bla bla bla
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| Post 4 made on Saturday June 29, 2002 at 03:54 |
kabster Founding Member |
Joined:
Posts: | July 2001
1,606 |
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| Post 5 made on Thursday August 15, 2002 at 23:14 |
Ernie Bornn-Gilman Yes, That Ernie! |
Joined:
Posts: | December 2001
30,104 |
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and a new detail to spread around -- if you are diplexing together TV antenna and satellite, you will want to use, for instance, a Channel Master 4002IFD (the bigger one) to mix the signals, and a 4001IFD to separate them. (I hope I got the models right. I am doing this from memory.)
The issue is that the diplexers that are the size of two-way splitters allow in LNB signals that go down into the UHF range, mix with and mess up HDTV signals. You can't see them on a TV or with an analog signal meter, but they will mix with the HDTV signals and you will lose them.
The solution is bulletproof: use the diplexer that is a bit larger than a four-way splitter to MIX the signals together, and then the interfering satellite garbage won't be present to mess things up.
This might also work / be a problem with cable. Anybody run across this?
Ernie
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A good answer is easier with a clear question giving the make and model of everything.
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