[Amps] SPE 2K RTTY Duty Cycle

[Paul Christensen]

> There are NO 12V final amateur transceivers that make -40dB IM3, none. 
> Never have been, never will be. The best are at -33 to -35.

As I recall, the ANAN series transceivers use a +12V PA stage.  With 
adaptive predistortion engaged, they achieve IMD improvement a good 20 dB 
better than these numbers.

So, it's not entirely accurate to state that there isn’t a single "+12V 
final" transceiver that achieves these high IMD numbers.

Paul, W9AC