Subject:      Re: coax transformer?
From:         Pete <pfederic@erols.com>
Date:         1997/12/14
Message-ID:   <34940B15.4524@erols.com>
Newsgroups:   rec.radio.shortwave
[More Headers]


Arch Getty wrote:
> I want to run a coax cable from my simple longwire into the house to cut
> down on noise.  (For SW listening only).
----------
Use a simple hand wound toride transformer using a 3:10 turns ratio.
I have a longwire with a 30ft coax downlead and adding the transformer
mainly for matching purposes yielded a noticable increase in signal
strength. I used a 1" dia torride core and #22 solid wire.


                                   Toride Core
                                   ||
    -------LongWire_Ant----------) ||  /-------------====RG58_Coax=====
                                 ) || (             /
                     10 Turns    ) || (  3 Turns   |
                      Primary    | || |  Secondary |
                                 \____|____________| 
                                    |
                                    |
                                  ----- Earth Ground
                                   ---
                                    -


---pete---