EEVblog #950 – Nixie Tube Display Project – Part 2

Some more info and experiments on driving Nixie tubes.
Open circuit cathode voltage, open collector vs totem pole / push-pull drivers, NIxie voltage drop and pre-biasing, and using the ULN2003 with zener clamping.
Forum: http://www.eevblog.com/forum/blog/eevblog-948-nixie-tube-display-project-part-1/

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