you can run a 555 at about 30 V (off the top of my head), you can drive an
old audio transformer backwards, to get higher voltage, or use a single HV
low current transistor to switch higher voltage (I did this with 600V on the
deflection plates of an oscilloscope tube years ago)



"Jim Wilkins" wrote in message
oups.com...
On Sep 4, 1:13 am, wrote:

as I recall, EL panels use almost no current so you may well find that
the 555 alone can do the trick. and the chip is cheap, 5 cents to 25
cents in single quantity the last time I looked
bill

http://www.elwire.com/faq/faq.html

The oscillator is easy but look at the voltage required. I'd try a
70.7V PA amp or fake it with the circuit I mentioned above.

jw




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