Once upon a time the champion was the Gammaresearch HPS1A:
AFAIK this is(was?) the most compact PSU for an 100W SSB/CW HF
Radio.
Beware: looking for it, their site no longer works, it seems gone
for good.
Wondering if something else took its place, sure it was tiny (not
for everyone, still interesting concept).
Giuseppe Marullo
IW2JWW - JN45RQ
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