>
>I am beginning the process of winding some toroid coils that are going to be
>used in a 1500 watt hf amp. The cores are T-225 and are supposedly good for
>1500 watts but I figure to be safe I will use two sandwiched together.
>Questions:
>
>1. Do the two toroid cores need to be insulated from each other
? no
> or can I
>just place them tightly next to each other and then wrap them as a package?
>
? yes. A suitable wrap is self-sticking tape. It has no adhesive.
.It has good RF properties and it conforms like it was paint. Plymouth
Rubber Co. makes the stuff. .
http://www.plymouthrubber.com/products/special-products.htm
..........
>3. I am using teflon insulated wire. Do I need to insulate the cores before
>applying the wire?
>
? Teflon is easy to cut. self-sticking tape makes a good cushion
for it.
- later, Lane
Rich...
R. L. Measures, 805-386-3734, AG6K, www.vcnet.com/measures
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