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An adjustable 0 to 1500V+, regulated, low ripple HV
power supply
for powering PMT's and geiger tubes
I got tired of looking for the ultimate little transformer
from which
to make a decent HV power supply for my photomultiplier
projects.
I wanted a transformer which was readily available at
LOW COST
in small quantities....dream on!
Then I discovered that CCFL inverters are everywhere!
(CCFL stands
for cold cathode flourescent lamp). I found
this little gem from Electronic
Goldmine for $1.49 but you could use just about *any*
CCFL inverter in
my circuit below:
For the regulator sense feedback I needed a 1000:1 divider
also available
from Electronic Goldmine at 2 for $1:
The schematic is shown below. Ripple is less than
25mVpp using the
"ripple stripper" featured in this circuit:
You know where to find me if you have questions!
:-)