John Fields wrote:

On Tue, 02 Nov 2004 19:33:59 -0600, BOB URZ
wrote:

I am looking for a good cheap source for generic EL panels for
some older equipment retrofit. Has anyone done EL panel replacement? Can
you just cut them down without damaging them?
How critical is the voltage range to drive them?

---
1. Good and cheap are sometimes mutually exclusive. How much do you
want to spend, say, per square inch?

2. I have.

3. Usually.

4. Not very. 90 to about 120VRMS will usually work OK. You can change
the brightness by varying the voltage and the color (somewhat) by
changing the frequency. Life to half-brightness varies inversely
with brightness and with frequency.


Ok, the retrofit application i have has a display about 3/4" wide by
4" long. Plastic encased like a laminated card. The EL display
backlite is dead. Measuring the voltage with my fluke on AC scale measures
about 55 volts AC. Is this too low for operation? It seems to be powered by a
sealed step up module

Bob



--
John Fields



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