[Elecraft] FSK power

[Ken Chandler]

I have been running 100w output using AFSK A in the RTTY contest and I have been monitoring my PA temp via the meter. I have my fan set for FN2 constantly on, and the temp has only reached 45C.


Ken..G0ORH 

CW4EVER

Sent from my iPhone

     


On 24 Sep 2010, at 17:47, "Dave Hachadorian" <k6ll at arrl.net> wrote:

> Here is a copy of a posting I made on 20090312:
> 
> Here is a copy of a posting I made on 20090312:
> 
> I did an experiment on my two K3's - key down at 100 watts
> for four minutes while noting PA Temp and fan speed. Both K3's 
> behaved
> identically and both leveled off at PA Temp = 64C after
> about 3 minutes. For the record, here are the results (best
> viewed with Courier font):
> 
> Time   Temp  Fan
> 0:00    26C   0
> 0:26    37    1
> 0:44    41    2
> 1:19    50    3
> 1:45    55    4
> 2:40    60    4
> 2:50    62    4
> 3:15    64    4
> 4:00    64    4
> 
> Room temp was 77F.
> 
> According to the manual, the PA is set to drop into bypass at
> 84C, so it didn't even come close.
> 
> Dave Hachadorian, K6LL
> Yuma, AZ
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