Jerry,
Thanks for the reply. I've actually got a steel project enclosure that I
can use. Should I ground the steel box to the computer chassis and/or the
radio / shack ground?
73,
Mark, N8ME
----- Original Message -----
From: "Dr. Gerald N. Johnson, electrical engineer" <geraldj@ames.net>
To: "Mark Erbaugh" <mark@microenh.com>
Cc: <tentec@contesting.com>
Sent: Monday, April 02, 2001 11:57 PM
Subject: Re: [TenTec] Computer Interface Question
>
> You need a steel box to protect the transformers from the vertical sweep
> frequency magnetic fields. Or some mu-metal to enclose the transformers.
> High priced audio transformers for low level used to come in steel
> containers, and mu-metal shields were available. And aluminum box may
> have some effect, but a steel box will have more effect on the magnetic
> fields.
>
> 73, Jerry, K0CQ
>
> --
> FAQ on WWW: http://www.contesting.com/FAQ/tentec
> Submissions: tentec@contesting.com
> Administrative requests: tentec-REQUEST@contesting.com
> Problems: owner-tentec@contesting.com
>
>
--
FAQ on WWW: http://www.contesting.com/FAQ/tentec
Submissions: tentec@contesting.com
Administrative requests: tentec-REQUEST@contesting.com
Problems: owner-tentec@contesting.com
|