1 Jul
2008
1 Jul
'08
11 a.m.
Jules Richardson wrote:
gordonjcp at gjcp.net wrote:
Late in the game, CBM switched (no pun intended) to switchers. I have a
C128 PSU that is a switcher. They were mounted in the same case, but
you can tell by the weight.
Jim
--
Jim Brain, Brain Innovations (X)
brain at jbrain.com
Dabbling in WWW, Embedded Systems, Old CBM computers, and Good Times!
Home: http://www.jbrain.com
On Mon, Jun 30, 2008 at 02:24:16AM +0100, Tony
Duell wrote:
Were those custom jobs, or off-the-shelf supplies (that someone
stuffed into a box)? I don't think I've seen an off-the-shelf switcher
with a 9VAC output* before, but Farnell, Plessey, Astec and Weir crop
up all over the place in UK equipment...
* I don't think, anyway. Some of them do seem to have an 'aux'-type
output that the user can tweak to their own spec, though.
Making a switching supply to give a 50Hz or 60Hz
AC output would be
decidedly non-trivial (and IMHO not senisble here). The obvious way to
And yet I've got a couple of C64 power supplies that are most definitely
switchers. *Someone* did it, but since they're currently 220 miles away
it's a bit hard to read the label.