In message <[EMAIL PROTECTED]>, David Forbes writes: >For example, HP used a 4-bit BCD counter to drive 8 neon bulbs, then >made a BCD-to-decimal decoder from a hybrid photoresistor network to >drive the nixie cathodes. The German fellow used tubes to do the >BCD-to-decimal decoder.
That's mentioned in the german text actually. But for a clock driving nixies I think I would have used ring-coutners, that way there is no decoding step so less tubes should be needed overall. -- Poul-Henning Kamp | UNIX since Zilog Zeus 3.20 [EMAIL PROTECTED] | TCP/IP since RFC 956 FreeBSD committer | BSD since 4.3-tahoe Never attribute to malice what can adequately be explained by incompetence. _______________________________________________ time-nuts mailing list [email protected] https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts
