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

[Steve Rooke]

I found quite a few on fleeBay. I remember back in high school using a
counter with the readout composed of Dekatron tubes and I was
fascinated as to how these could work.

Steve

2010/1/10 J. Forster <jfor at quik.com>:
> 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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>
>
>
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-- 
Steve Rooke - ZL3TUV & G8KVD
A man with one clock knows what time it is;
A man with two clocks is never quite sure.