[Icom] 706MKIIG Hook up to Alpha 87A

Thu, 23 May 2002 18:54:01 -0600

Lose the interface.  According to my measurements and the Alpha
web site, the Alpha 87A has an open circuit keying voltage of
+5VDC and a short circuit current of just over 1.0mA. Furthurmore
the interface is non-inductive.  Any transistor or relay will 
drive this amp.

Larry, W0QE

Bill & Annie wrote:
> 
> That's the way mine is set up with one exception. I didn't feel secure in
> having the radio hooked directly to the amp, so I installed an interface in
> line. Bill KG4HPM
> 
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