An article that might be of interest to any prospective builders:
By Helge Granberg, published in QST dec '82 and Jan '83. 'Mosfet RF Power: An
Update'.
As far as I know, the designs in the article didn't get published as
application notes. The amp uses eight modules, each with 2 x MRF150 to give
1600-1800W output. Of particular interest might be the designs for harmonic
filters and control/protection circuits.
I have a poor quality photocopy which I can make available if no-one can come
up with something better from the archives.
Steve
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