It's not an RF feedback issue. The FL7000 is super touchy on overdrive in
SSB and you need to do the mods to desensitize the protection circuitry.
The unit I have, it was imposible to get near rated output without it
tripping. After the mod, it behaves fine - and can still trip if there is a
"real" reason for it to trip.
73 Don
VE6JY
On Wed, Aug 19, 2009 at 7:51 AM, Tony <dxdx@optonline.net> wrote:
> All,
>
> I have what seems to be a unique situation with a Yaesu FL7000 solid state
> amplifier. The protection circuit trips for no reason in SSB mode, but
> works
> fine on CW and digital modes.
>
> The protection circuit is supposed to trip when SWR is high and that is not
> the case with my setup. Again, it works fine and keys to full output in CW
> /
> FSK modes.
>
> I was told that it could be a microphone RF feedback problem, but before I
> clamp on a bunch of torrid on the Heil mic cable, I was wondering if anyone
> had this problem and what it took to fix it.
>
> Thanks,
>
> Tony -K2MO
>
>
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