Re: [Amps] Question about SPE 1.3K-FA amplifier

[Steve Thompson <g8gsq72@gmail.com>]

Varying bias can optimise IMD at low and medium power levels but 
once you hit saturated output, I think it has relatively little 
effect.
Steve

>And I would love to know whether they just use plain simple 
>class AB and allow the IMD to shoot through the roof at 
>1300-1500W saturated output, or if they use a clever biasing 
>scheme that keeps the IMD somewhat under control even when the 
>FET is driven into saturation.
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