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Test Nixie tubes with a flip of a switch

Posted on Thursday, December 29th, 2011 in DIY by DP

This Nixie tube tester has an 11 position switch to change the displayed digits.

A simple device for testing and/or healing Nixie tubes of IN-18 type. An 11-pole switch is connected in series with a 50 KΩ pot (+ 470 Ω resistor for safety), powering from an 180V DC source. Normal operation at 2 mA is shown. For healing tubes, one can double the current (4 mA), baking the tube for several hours in order to remove cathode poisoning. Enjoy !

Via Electronics-Lab.

This entry was posted on Thursday, December 29th, 2011 at 3:00 pm and is filed under DIY. You can follow any responses to this entry through the RSS 2.0 feed. You can skip to the end and leave a response. Pinging is currently not allowed.

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