Re: [Repeater-Builder] Iso Tee Help again

23 Dec 2004 15:14:51 -0000

adam
you takes the t- connector and grabbing the center pin with a needlenoe pliers unscrew the thing.
then cut off the part that sticks out and file the shoulder flat. this will give you an air gap.
then reassmeble the connector having been careful NOT to lose the parts.(sometimes very difficult) and tighten the now shorter pin snugly or is it snuggllyy...whatever....then
cut a small piece of poly ethical or styrofome...or is it foam...any how...stuph the plastic insulator into the connector and screw a uhf bullet into it.
viola....iso-tee...isolation kinda random  but isolation is what you want.
total time for assembly for a normal person probly 15-20 minutes. took me 2 hours i lost parts in the carpet.
happy holidays
mdm ted
copyright 2004 k9mdm all rights reversed unless you don't tell me then who cares.

"Adam T. Cately" <[EMAIL PROTECTED]> wrote:

At 04:01 AM 12/23/04 -0000, you wrote:
>
>I know I've brought this subject up before, but have lost all the
>emails about it. I need some help building an RF Coupler Iso-Tee to
>begin learning to adjust duplexers. Someone gave me some
>instructions on how to build one out of a pl259/so239 t adapter.
>Anyone have this information, or the where abouts of where to find
>such a kritter on the market. Thanks.
>
>Mathew

Start with an Amphenol tee connector - you could use any other brand,
as long as it's male pin is threaded, to allow you to unscrew it.
Carefully back the male pin out, and cut it down (saw/knife/teeth)
so that there will be NO DIRECT CONNECTION to a barrel connector when
one is placed in the male socket. The amount of pin left sticking up
will give you some control over the amount of rf attenuation - more
pin, more coupling - less pin, less coupling - and you leave the barrel
in place - this is your tap point. These can be used for your rf sampling
needs in a lot of instances, so they's very handy to have. Good luck...

- Adam -










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Ted Bleiman K9MDM
MDM Radio Ltd -    
1629-B N. 31 st Ave
Melrose Park, IL 60160
708.681.0300 fax 708.681.9800
web http://www.mdmradio.com -
Check it now!!
 

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