[time-nuts] Digital Clock kit - no Integrated circuits!

[J. Forster]

They were also called Dekatron, See the tubecollector site. I doubt they
are still available any more. OTOH, there are plenty of things like 12AX7s
out there, as long as you don't need the "golden ear" brands.

-John

===============


> Only need one tube for a ring counter - the trochotron (q.v.).
> Just happen to have a military counter based on them, nixie display,
>
> Bill Hawkins
>
>
> -----Original Message-----
> From: time-nuts-bounces at febo.com [mailto:time-nuts-bounces at febo.com] On
> Behalf Of J. Forster
> Sent: Saturday, January 09, 2010 4:49 PM
> To: Discussion of precise time and frequency measurement
> Subject: Re: [time-nuts] Digital Clock kit - no Integrated circuits!
>
> How about using ring counters? No decoder/drivers needed. A tube ring
> counter, driving a Nixie directly.
>
> -John
>
>
>
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