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From: Jan Panteltje <alien@comet.invalid>
Newsgroups: sci.electronics.design
Subject: Re: Instead scopes
Date: Mon, 02 Sep 2024 02:53:25 GMT
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On a sunny day (Mon, 02 Sep 2024 02:48:45 GMT) it happened Jan Panteltje
<alien@comet.invalid> wrote in <vb392e$20dl8$1@solani.org>:

>On a sunny day (Sun, 01 Sep 2024 13:32:59 -0700) it happened john larkin
><jlarkin_highland_tech> wrote in <ncj9djtjao9gsvtojue9q9jph1ro1gl8or@4ax.com>:
>
>>My inductor is cheap and simple and works.
>>
>>If I get a gigantic order, I'll have a coil winding company make them
>>and retire the Sharpie.
>
>Some time ago I mentioned ceramic coil formers with grooves to you.
>There were some in the mil transceivers.
>It fixes the turns in position and diameter
> https://www.surplussales.com/Inductors/Ind-SlugTu/Ind-SlugTu-4.html
>  ebay has some too I think
>
>You could have some made if you sell thousands, any pottery;-)
>
>I had some nice big ones with silvered wire in my 250 W linear in school days.

PS you do know about skin effect do you?