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Re: [CQ-Contest] Re CW keying interfaces

To: <CQ-Contest@contesting.com>
Subject: Re: [CQ-Contest] Re CW keying interfaces
From: "Mark Beckwith" <n5ot@n5ot.com>
Date: Thu, 13 Nov 2008 07:25:00 -0600
List-post: <cq-contest@contesting.com">mailto:cq-contest@contesting.com>
>I have never seen a need for optoisolators and
> never heard of  a transistor failure in
> hundreds of interfaces I built. KISS!


Likewise, I've never had a transistorized keying interface fail in 20 years 
of using them.
Mark, N5OT 

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