[Elecraft] Duty Cycle on the K144XV transverter?

Lyle Johnson kk7p4dsp at gmail.com
Thu Jul 24 10:38:47 EDT 2014


Jim,

As with nearly all transmitters, it is a matter of heat.  If you have 
adequate cooling on the left side of the K3, then the internal 
transverter will be capable of a very high duty cycle. If it is blocked 
and in a warm room, then the duty cycle will be significantly lower.

You might want to monitor the side panel temperature and run the unit 
into a dummy load and find out the heat profile for the duty cycle you 
expect to run in the ambient environment of your particular station.  
Vary the power output and/or cooling (a fan, for example) and see how 
that affects it.

73,

Lyle KK7P

> I am going to be running FSK441 on 2M meteor scatter and wondering 
> what the duty cycle is on the transverter in my K3.  Getting ready to 
> start searching for an amplifier.
>
> 73s Jim, W4ATK



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