23 Apr
1999
23 Apr
'99
2:39 p.m.
Re:
...
Is this a good
idea? [slow power up]
I'm on the fence about it. On the one hand you will find out if you've got
YES. Especially under load. The thing that often fails
in a PSU is the
filter capacitors and weak ones will show up as ripple and ripple will
Several friends who collect old radios swear by the VARIAC. They
claim that the old capacitors "dry out", and that running them at,
say, 80 V for a few hours (or a day) rejuvenates them. I've heard
time requirements vary from an hour to a day, unfortunately.