[time-nuts] 5071A tube EEPROM and tube data

John Miles jmiles at pop.net
Tue Sep 8 07:27:17 UTC 2009

> While copying the EEprom data to use with a new tube might be a
> copyright violation, removing the EEprom from the defective tube and
> using it with a replacement tube would not! It is easily removed from a
> small PC board mounted on one of the tubes connectors!

Swapping PROMs between tubes would presumably cause the mainframe to apply
the old tube's voltages, but maybe that's not a huge problem.

Are 5071A tubes labelled with their operating parameters, or are they only
encoded on the EEPROM?

-- john, KE5FX

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