[Amps] PSA2500 Power Supply

[Tom Rauch]

> The fact that it runs open-loop is very significant from a design
standpoint,
> particularly with regard to EMI generation. His basic design topology
must,
> unfortunately, run open loop. But that topology has an overwhelming
benefit:
> very low HF ripple current on the input. Large supplies like this are
> nightmares to EMI proof. So in order to be able to produce a product that
is
> practical, this compromise was accepted. The result is a usable product,
and
> more importantly, it can be produced affordably.

I'm missing something here Eric.

What does the fact it is an open loop have to do with EMI???

73 Tom