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Total 5 documents matching your query.

1. [Amps] Rf choke coil form (score: 1): Author: George <at6c@bellsouth.net>; Date: Thu, 31 Jan 2013 14:46:52 -0600; I need a recommendation for a material to use in a coil form for an RF choke. The existing choke is about 1.5" diameter by 4" long. I would like to use ceramic but I can't find anything in this size,; /archives//html/Amps/2013-02/msg00002.html (6,831 bytes)
2. Re: [Amps] Rf choke coil form (score: 1): Author: Rob Atkinson <ranchorobbo@gmail.com>; Date: Fri, 1 Feb 2013 12:39:39 -0600; I'd look for a large Johnson open wire line ceramic spacer. they used to be made with porcelain for six inch line spacing. they show up at hamfests and other places and on line. McMaster Carr might h; /archives//html/Amps/2013-02/msg00007.html (8,482 bytes)
3. Re: [Amps] Rf choke coil form (score: 1): Author: "John E. Cleeve" <g3jvc@jcleeve.idps.co.uk>; Date: Sat, 02 Feb 2013 17:01:58 -0500; Hello George, When faced with a similar problem, I obtained a length of thick wall glass tube from a laboratory supplies house, they cut it to length and put some holes in it for me. Glass tube is av; /archives//html/Amps/2013-02/msg00008.html (8,017 bytes)
4. Re: [Amps] Rf choke coil form (score: 1): Author: "Carl" <km1h@jeremy.mv.com>; Date: Fri, 1 Feb 2013 14:45:55 -0500; You dont have too many choices between ceramic and hard Teflon if high power is run. Look around for large surplus chokes such as maybe from a scrapped BC or WW2 military TX that are often pi wound.; /archives//html/Amps/2013-02/msg00010.html (8,522 bytes)
5. [Amps] Rf choke coil form (score: 1): Author: "Jim Thomson" <jim.thom@telus.net>; Date: Sun, 3 Feb 2013 18:06:27 -0800; I need a recommendation for a material to use in a coil form for an RF choke. The existing choke is about 1.5" diameter by 4" long. I would like to use ceramic but I can't find anything in this size,; /archives//html/Amps/2013-02/msg00027.html (8,449 bytes)

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