Olin Lathrop wrote: > > Ah, there's the problem. You can't do the job without the right tools. > Get an oscilloscope if you're going to be designing and debugging > switching power supplies. It's halfway across the country in Texas, and I haven't been able to track one down here in Miami. Thought I'd play with switchers while here and bored-ish. I did pick up a Radio Shack DMM which has freq and duty-cycle measurement on it. Very nice for playing w/switchers. Cheers, -Neil. -- http://www.piclist.com hint: To leave the PICList mailto:piclist-unsubscribe-request@mitvma.mit.edu