On 11-08-08 10:43 PM, Ryan McDonald wrote:
Hopefully this is a very simple question. ;)
The datasheet for my IN-14's say the powersupply voltage is 190V.
A nixis is a type of neon lamp. Neon lamps were once used as Voltage
references.
It takes a certian voltage to "strike" (light up) a neon, and then the
voltage across the lamp itself will be the sustaining voltage. The
differnce is droped across the resistors in teh circuit. onle the lamp
is lit, a change in the supply voltage will be mostly seen across the
resistor, and the volatge across the lamp will stay the same.
"Download the GE Glow Lamp book for a good explanation. The
characteristics of Glow lamps are such that the book talks about
"Negative resistance"
190V power supply with 140 across the tube sounds in the right ball
park. but I have not read the data sheet on that tube.
--
Charles MacDonald Stittsville Ontario
[email protected] Just Beyond the Fringe
http://www.TelecomOttawa.net/~cmacd/
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