[AMRadio] WTB: HV Transformer

Donald Sanders w4bws at comcast.net
Tue Dec 19 12:32:37 EST 2006

Jack, I don't know your space limitations but consider
using two 1500 volt transformers or 3 or 4 smaller
transformers. You could build 3 or 4 smaller power
supplies of 750 to 1000 volts and hook the secondary
in series. This has been done commercially to get 3000 to
5000 volts. Just be sure to isolate the power supplies well
above ground for breakdown voltage reasons. the
transformers in the upper voltage units will also need good
winding isolation for breakdown voltages at the 3000 to
4000 volts.

Healthfully yours,
                          Don W4BWS
----- Original Message ----- 
From: "Jack Schmidling" <jack at schmidling.com>
To: "Discussion of AM Radio in the Amateur Service"
<amradio at mailman.qth.net>
Sent: Tuesday, December 19, 2006 8:30 AM
Subject: [AMRadio] WTB: HV Transformer

> Seems like transformers are going the way of CW.  After a month of
> looking, posting on 3 classified sites and several mail lists, Classic
> Radio Net and usenet, I am still looking for something as basic as
> 3000vct transformer.
> I can order one new from Dahl but that sort of takes the fun out of this
> but may have no other option.
> So.... last call.
> Jack K9ACT
> -- 
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