Better yet, install Rich Measures' QSK mod and eliminate that relay
entirely.
Gary W2CS
> -----Original Message-----
> From: owner-cq-contest@contesting.com
> [mailto:owner-cq-contest@contesting.com]On Behalf Of Scott Ellington
> Sent: Monday, January 28, 2002 1:00 PM
> To: cq-contest@contesting.com
> Subject: Re: [CQ-Contest] SB-220 Switching help
>
>
>
> Beware!! The stock SB-220 does NOT have a catch diode across the
> relay coil.
> As a result, it can fry the switching transistor or relay in the
> transceiver.
> Make sure the diode is in place before hooking it up.
>
> 73,
>
> Scott K9MA
>
>
>
> --
> Scott Ellington
> Madison, Wisconsin USA
>
> sdelling@facstaff.wisc.edu
>
>
> --
> CQ-Contest on WWW: http://lists.contesting.com/_cq-contest/
> Administrative requests: cq-contest-REQUEST@contesting.com
>
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