[1000mp] 10 watt operation

Scott Manthe n9aa at arrl.net
Wed Oct 1 14:22:53 EDT 2008


Clyde,
Make sure you're not operating in Class A. The low power dissipation in 
Class A is higher than in AB for whatever reason.

73,
Scott, N9AA

k9jwi wrote:
> When I operate my Mark V at the 10 watts minimum setting
> the heat sink seems to heat up just like it does at 200 watts with
> the fans coming on as at 200 watts.  Is this normal?  How does
> power reduction circuitry work?  Reduced drive to finals?
> Attenuation of the full 200 watts (surely not)? Thanks for
> any forthcoming answers.
> 73 Clyde,  K9JWI
>



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