> >This "clean" isn't limited to the IMD > >performance of the amp. > Harmonics/spurs > >are also reduced by this > slight antenna > >overloading, usually by 5-15dbm. > >Paul > > > ** Heavier loading means > less load-C. Are you saying > that less load C > shunting the output reduces harmonics? Yes, this is what I observe on my analyzer. Lighter loading runs up IG and doesn't have much effect on the harmonics or spurs. Paul