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Re: [Amps] Need help locating an article

To: <>, "W0UN -- John Brosnahan" <>
Subject: Re: [Amps] Need help locating an article
From: "Fortra" <>
Date: Fri, 6 Jul 2007 10:01:49 +0200
List-post: <>
Hi John,

this is the article in July/August 1999 QEX, "A regulated 2400-V power 
supply" pages 50-55. by A.R.(Al) Williams, VE6AXW. I do not have it in 
electronic form but as magazine issue. If you let me know fax number i will 
fax it to you later today!
 Best regards,

Nermin S58DX

( yeah, i know now why my wife told me why i am keeping all those 

----- Original Message ----- 
From: "W0UN -- John Brosnahan" <>
To: <>
Sent: Friday, July 06, 2007 9:14 AM
Subject: [Amps] Need help locating an article

>I have looked in the amps reflector as well as in the ARRL index for
> QST and QEX
> and I have been unable to locate an article that I would like to read
> again.  This is
> especially frustrating since I made a copy of it and put it SOMEWHERE and 
> can
> not find the copy either.
> It was probably 5 to 10 years ago (but not sure) and the article was
> on regulating
> a HV supply using AC mains control.  It had an SCR or Triac controller on 
> the
> AC mains not unlike a basic lamp dimmer circuit and sampled the HV output
> with a voltage divider that drove an op amp and that controlled the
> SCR/Triac.
> My interest is NOT in HV regulating but I think the circuit might be a 
> useful
> starting point for another application.
> Thanks in advance for any help.
> --John  W0UN
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