[Yaesu] 990 with AL-80B amp
David G. Maley
Tue, 18 Apr 2000 08:18:49 -0500 (CDT)
I suspect you are getting RF in somewhere. What happens if you
connect the amp to a dummy load?
On Tue, 18 Apr 2000, Scott Ginsburg wrote:
> I just bought an AL-80B amplifier and am seeing a weird thing
> happen. When I key the radio with VOX CW, the power output meter on
> the 990 rises to about 15W, then jumps to about 60W which is
> what I'm driving the amp with. I also notice a slight delay in the
> rise of the AL-80B's meters.
> This does not happen if I manually key the radio using the MOX botton.
> When I disconnect the ALC line, the same thing happens. And, I'm not
> running QSK.
> Anyone know what's going on here?
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