Hi, I am in the process of deciding on materials to use in making the new K9YC recommended chokes (thank you Jim!) for for my yagis, 4-squares and for EMI suppression purposes. What I want to buy is:
Mouser for the cores. I recommend RG-400. It has a stranded center conductor vice the RG-142, which is a solid conductor. RG-400 is easier to wind and stays put. Make sure you look for some RG-400 at
I see the 31 material toroids for ~ $9 - 10 if I buy 25 or so I always buy from industrial electronics vendors like Allied, Newark, Arrow. For small purchases, I routinely buy from Arrow, which offer
Thanks, Jim. I forgot to respond to this in my reply. Again, if you STUDY the doc, which you clearly have, you learn that the stranded center of RG400 is critical for power handling (to avoid voltage
Years ago I got pretty good deals on Harbor RG400 on eBay. John KK9A Hi, I am in the process of deciding on materials to use in making the new K9YC recommended chokes (thank you Jim!) for for my yagi
What I've been doing for venting 4x4 or 6x6 PVC boxes is to drill a big hole in the cover with a hole saw, like 2.5" or 4". I take a square piece of plastic screen repair material that is slightly la
A shop where I use to buy is The Wireman: https://thewireman.com Good quality toroids, coax cable, kits, tools, etc. Press N8UG passed away but his family continue his legacy. 73, Maximo <http://foro
This is NOT a good source for ferrite parts for transmitting chokes. Most of their toroids are ancient history, not at all suitable for transmitting chokes, and so are their "baluns." Press was "good
Bob, I have organized couple group buys in past here in San Diego area for large qty of Fair-Rite toroids of all sizes and at that time I purchased from Mouser. Last couple weeks I purchased large qt
Hi, I want to thank everyone for their responses, photos, insight and suggestions which were overwhelming in number and with loads of excellent information - It was Like drinking from a firehose! Tha