[AMPS] Tetrode poor IMD performance

[2]

>
>Hi All,
>
>Does anyone have any idea why tetrode amps like the one just 
>reviewed in QST seem to have such poor IMD performance?
>
>Is it the tube, the circuitry, or a testing error? I mean, -29dB ala 
>ARRL is really -23dB using commercial standards. That's pretty 
>nasty.
>
// Many solid-state output radios have close to -30db IMD.

>I'd hate like hell to have a bunch of them near me, or was 
>something else going on?? 

//   Rumour has it that in Hell nearly everyone uses a G2DAF-type 
amplifier. 
>
cheers, Tom

-  R. L. Measures, 805.386.3734,AG6K, www.vcnet.com/measures.  
end


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