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Old 02-22-2005, 06:21 PM
David Bott David Bott is offline
 
Join Date: Dec 2001
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Hello...

I just had someone report they could not post the below for they received the messages about no URL....

Quote:
Here's something I am considering. I would greatly appreciate any feedback or correction to my ideas.


I understand how the LNBs work with voltage switching for the polarization and the 22KHz signal for the 199 SAT, but I am determined to find a way to not have to run more than 2 coax lines (which I have now) down from my dishes (because of line of site problems I have multiple dishes for different SATs). The LNBS from the dishes currently all run into one multi-switch on the back of one of the dishes, then 2 coax lines run into the house. I recently got a DirecTiVo and now need three lines to take advantage of the dual input TiVo.


Here is what I am thinking of trying. Combining the LNBs using splitters with the 13V lines combined and the 18V lines combined. On the 119 lines put 22KHz generaters to keep them turned on. My understanding is that there is no overlap in the frequency spectrums being output by the different mode LNBs (obviously if there is overlap I can't do this).


So now I have two coax down lines into the house, but here is where I am less certain about what to do. Can I just run the two lines into the SAT A inputs of a multi-switch? Will the SAT A input pass all the frequencies from all the LNBs to the receivers even though it won't pass back the 22KHz tone? If not I will have to split those two lines into 4 and run them into the SAT A and SAT B inputs of the multi-switch, but then I have to find some way to block the 22KHz tone from being sent back to all of the LNBs.


I might also have to put an amplifier in somewhere in the downlines because of the combining and possible splitting losses. Maybe there is an amplifier that will pass back the DC without passing back the 22KHz tone.


Comments please.
I for the life of me can not figure out what it may be seeing in the above to think their is a URL somewhere.

Any help wpuld be great.

Thanks
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