14 Feb
2008
14 Feb
'08
21:13
On Thursday 14 February 2008 12:26, James Knott wrote:
...
Quite so. I was just replying to that transformer comment. With switching supplies, transformers are often not used on the input. The incoming AC is rectified, filtered and the resulting DC is used to power the switching regulator that provides the desired output ...
Yowsa! What about the isolation provided by a transformer on the input? How do these things get UL (or other regulatory agency) approval? Randall Schuzl -- To unsubscribe, e-mail: opensuse+unsubscribe@opensuse.org For additional commands, e-mail: opensuse+help@opensuse.org