JOHN BASILOTTO wrote:
>
> I have an Icom 756. I was using it with a Drake L4B. At first everything was
> fine; after about 30 days the reed relay in the Icom froze stuck. The Icom
> relay is rated at 16volts@2amps. The Drake amp has a 12 volt relay but has a
> potential of 26volts with no load. Consider using an aux. relay; otherwise
> you too may have to replace an Icom relay.
> 73, John w5GI
The back pulse caused by the relay field collapse in the Drake really
kills the little reed relays. Every time the reed relay opens the
contact gives a big arc until it welds shut.
I'd use a PNP buffer transistor. Simple, cheap, reliable, fast, and
safe.
73 Tom
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