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Re: meter clock project


"A.J."
 

--- In NEONIXIE-L@..., Steven Arangolord <macguyver50@...> wrote:
--- On Sat, 8/21/10, A.J. <a.j.franzman@...> wrote:
I'm still waiting for a previous, similar project discussed here a
few times to come to fruition. Rather than using a frequency
counter, it would use one of the older digital event counters and
not require a frequency generator. (Can frequency counters count
individual pulses?)
Still have that tube EPUT meter ? or was it dissected for a clock already ?
Unless you're referring to the nixie display, I never had a tube-based counter. The unit, which I still have, is an H-P 5221B "Universal Counter" that can measure frequency or simply count pulses (I guess that's what you mean by EPUT). Internally, it's got a lot of transistors and ICs, not tubes.

As far as I can tell, the only modification it might need to work as a clock display, would be an external connection to RESET, to ensure that any counting errors are not cumulative beyond one day.

A.J.

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