In the Oct 2009 issue of CQ Ham Radio, JN1GLB, Makoto Kasahara wrote the article of ALTOIDS PA (20w amp for QRP rig in Altoids). It is the same formula with ATS-3B. The article describes that he would make the board with requested people.
The ALTOIDS PA is IRF510 parallel PA with 20w output in HF bands.
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