On 3/13/2011 12:57 PM, Shane Youhouse wrote:
>
> ALSO: In reading up on 3-1000 and 4-1000 tubes, I noticed that one of
> them actually goes into the output network losses, and Eimac puts them
> about 10 percent..... IE, they say the PLATE output power is about 10
> percent GREATER than the AMPLIFIER output power.
>
> SO, it made total sense, what Carl was saying... On a 1500 watt amp, it
> would be normal to see 150 + watts 'lost'.
The Palstar AT5K has a table in the manual that shows losses based on
the impedance the tuner is seeing plus how the tuner is used. It
demonstrates that losses can be as high as 16% (which is nearly all in
the rotary inductor), but can be reduced to 3% or less with proper
tuning. More C and less L.
73
Roger (K8RI)
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