[TenTec] Computer Interface Question

[Mark Erbaugh]

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
>
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