[AMRadio] Contactor


Edward B Richards zuu6k at juno.com
Sun Sep 16 11:42:46 EDT 2007


I thought that was why they put a diode across a relay coil. Can you put
a diode across the contacts?

73 from Ed Richards K6UUZ
Simi Valley, CA. Home of 
Ronald Reagan Library

On Sun, 16 Sep 2007 10:27:00 -0500 Geoff/W5OMR <ars.w5omr at gmail.com>
writes:
> Donald Sanders wrote:
> > Geoff, what did you use? a .01at 1600 volts across the contacts> 
> 
> Honestly, Don, I never got around to fixing that.  I've been using 
> the 
> plate switch on the front of the Viking II.
> 
> The PLAN was, to toggle the PTT line from a computer, that was 
> operated 
> remotely via the internet.
> 
> It worked for a while but as I stated, the resulting back emf spark 
> 
> across the contacts ate 'em up pretty quick.  In a matter of a few 
> days, 
> as I recall.
> 
> That might be something to work on again, today.  I was looking for 
> a 
> small'ish project to get into before I attend a social function this 
> 
> afternoon at 3pm.
> 
> -- 
> Driving your AM Rig without a scope, 
> is like driving your car at night, without headlights. (K4KYV)
> 
> --
> 73 = Best Regards,
> -Geoff/W5OMR
> 
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