On Jan 17, 9:20*am, Charly wrote:
I sent my previous post too quickly...
In fact wiring is totaly different, but the question remains anyway :
what will be the best desing betweenhttp://www.m0ukd.com/Magnetic_Long_Wire_UnUn/index.php
andhttp://www.hard-core-dx.com/nordicdx/antenna/feed/9_1balun.html
??
Thanks
Charly
CHARLY,
Which is ever easier for You to Visualize and Build.
Basically take a Ferrite Toroidal and wrap two Winds
of Wire around and through it.
* Toroidal Ferrite Core {Donut}
http://www.goldmine-elec-products.com/images/G6683B.jpg
* Antenna & Ground Winding : 30 Turns of Wire
http://www.mwcircle.org/images/mw/loop/coil.jpg
* Coax Cable Winding : 10 Turns of Wire
http://www.qrp.pops.net/images/before%202008/UNUN-3.JPG
* * The Wire can be Enameled Solid Magnet Wire
-or- PVC Insulated Stranded Copper Wire
http://www.ure.es/yabbfiles/Attachments/Balun_1a9.gif