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16 Dec 2012

nixe_tube_powersupply_pcb

bleuchez.wordpress.com writes:

I’ve recently become interested in Nixie tubes.  Nixie tubes are neon filled glass tubes that contain cathodes in various shapes, numbers being the most common, and a mesh anode.  Passing a current through the cathode causes the neon gas to ionize which makes it light up.

The problem with these tubes is that they voltages of around 170V in order to ionize the gas.  Fortunately, most tubes only need a few mA which makes the supply design simpler and easy to run off a wall wart.

A low cost Nixie Tube Power Supply - [Link]

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