[Antennas] Link vs Pi

[Ron Youvan]

> It is interesting how solid-state transmitter technology has brought the
> wheel almost full circle. All solid-state linear HF PA's are push-pull, and
> transformer-coupled, with a bank of LPF's following the output-transformer
> secondary.

   Remember push pull cancels out the second harmonic making it easier for the
output filters to meet the spurious requirements of our rules es regulations.
-- 
    Ron  KA4INM