modified 9 years ago

Dekatron TTL drive circuit

00:20:18

Adapted from Moorrees. 
Digital signal used as input to drive G1G2 of OG3 dekatron. Other cathodes are at the dekatron's virtual ground tied to 50V. RC circuit created required timing delay to advance the ionization.  MPSA42 transistors were used when tested. 

published 9 years ago

eframgoldberg

9 years ago

Tried it today using a 5V-10K-push button switch as the input. Worked fine except for some bounce. Could route switch to 94LS14 or other bounce eliminator.

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