ha ha you called me--LEM-- I love laser enthuaists meets(LEMs) and considered changing my user name to LaserLemLen ( which would be a little redundant)--lol
len
N?P my friend
I still dont know if my lambda PS will take care of everything- hope so- I am running out of space.
my working area is 22X 12 &5/16th inches and none too deep - but no worries about warping os the HS abilities- it is heavy finned and weighs 13 lbs for just the base. end pieces also 1 inch thick counting the fins.
Has a place for two fans on the bottom and 120+ drilled and tapped holes left from the rgb that once lived in it(thanks Mike for the sweet deal @40$)
the opening is 20 MM up from the base and off to one side ( right if facing) I hope to build this with an access door to get to the mounts w/o having to remove the top.
red closest to scanner green in the middle and 445 farthest.
hope i can get 1.5 to 1.8W from it.
lots of help so far thanks to all- too many to mention atm.
cheerz len
Last edited by hakzaw1; 09-21-2011 at 21:12.
i was browsing for some other stuff when i ran into this
http://www.datasheetcatalog.org/data...onics/1317.pdf
check out figure 13. To make a long story short, this chip takes 8 to 36 volts single rail and makes it 4 to 18 volts "symmetrical" (dual) rail
maybe it proves usefull to somebody, as it handles up to 3amps
"its called character briggs..."
That is what they call a railsplitter
Personally I would not use such a device, because current spikes (not uncommon for galvo amps) on the positive rail, might end up as voltage spikes on the negative rail.
And when one rail is shorted, it will wreak havoc on the opposite rail.
And you have to find a +36V power supply which is quite uncommon...
I found this one too which seems nice, a simple +-24V rectifier, HB-Laser are using them for their EyeMagic scanners : http://shop.hb-laser.com/OEM/elektro...ply::3182.html
i don't get it, why do they use two bridge rectifiers?
i think just one will do the trick
something like this simple design (not this one of course, it can't handle high amps)
"its called character briggs..."
Yes it's strange, I usually saw only one rectifier. Maybe to have completely independant rails, but I don't see the advantage...