[amsat-bb] Re: Mirage preamps

[Jari Koivurinne]

>>
>> There is also another possible issue to consider in that the 847 when
>> first powered up sends a full power transmit for a very short time.
>

As does all those 800-series YAESUs... 8-(
Very bad ALC-circuit. Some of them having longer delay --> longer
pulse out.

>
> Could be this is the missing link explaining why i burn  2 preamp  in the
> past? but i always put the power knob at minimum when i turned
> off the 847. I will have to test it as i measure about 5W even if the RF power
> is set to 0!! Full power i'm not sure but even 5W is enough
> to kill a preamp
>
> Luc Leblanc VE2DWE
>

-jari oh3uw