> Original Poster: "John H. Couture" <couturejh-at-worldnet.att-dot-net> > Greg - > > In the equation Vs = SQRT(2Es/Cs) how would you relate Es to the > input watts of the TC power transformer for the 1, 80, and 350 BPS? I wouldn't. With a properly working charging circuit where the primary voltage does not droop, input watts and Es are independent of each other. -- -GL www.lod-dot-org