I also have some data- sheets for the different types: Block Diagram for This one I got from Jan: Ok, lets go to the Sketch I made for my. Category. Description, Bcd-to-decimal Decoder/driver. Company, Texas Instruments, Inc. Datasheet, Download SN datasheet. Quote. Find where to buy. Simplifies driving Nixie tubes. Brand new Russian ICs, U.S. equivalents with overrange digit blanking. ENGLISH DATASHEET: DATASHEET PAGE 1.

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I got many hints from the Neonixies Gang that in some cases a defective may leak at the outputs.

I had to change my circuit to this second revision, that works with a ZM. The russian types are either orhigh serial numbers arelow serial numbers are Ok, lets go to the Sketch I made for my tester.

Datasheet, PDF – Alldatasheet

When the yellow LED lights up, it’s a good I’ll use the very up to date ATmega – so I don’t need any reset- circuit, not even a crystal. The button switch switches between the different test modes I’ll explain later and finally the 3 741411 show the test results.

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Check the different truth- charts!!! The V plus tube and resistors with the voltage dividers make it possible to detect a too high leakage current in case the IC is defective. My friend did the coding this time had little time The ATmega is totally cool!!!

When the green LED lights up, it’s a good Moreover I have a good control with the tube whether the test- IC really works.

The ZM tube is driven with 2mA current. I sat down and sketched a “super simple” driver- testing circuit to test them all. I also found out what I wrote above in the section about the russian tubes. The ones I have I will use for my next datashheet.

You only have to put in the test-IC. I also have russian types and “unknown” of which I have no idea if they are or I really find some old which don’t work or leak.

All are tested now. Remenber that te russian types are marked like this orange!

74141 Datasheet

So I added a IC. Truth Table for theand A Chip. Truth Table for the, A and B Chip. I will use it for all my clocks in the next future because you need no other parts around it! This one I got from Jan: I never took used for my project, so I haven’t thought satasheet that this also can happen. Please don’t ask me for chips.

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SN Datasheet(PDF) – TI store

My other projects took away a lot of time, so I decided to give it to a friend of mine to do the coding. When holding the button for longer than one second you come back to the free- running mode.

The russian types have high “off” voltage approx Vso satasheet efficiency is much better, and the “Blue Spot” problem can not occur e. On the right side you also see 10 transistors which only have the job to drive the LEDs and the inputs of the controller.

It’s so simple, that there is nearly nothing to explain.