[time-nuts] Some pics of the Datron 491x DC reference cell
Dr. Frank Stellmach
drfrank.stellmach at freenet.de
Sun Feb 1 23:07:00 UTC 2009
> NB use the latest datasheet which has a corrected schematic showing the
> location and polarity of the parasitic diodes.
> Bruce
Thank you, I already got that...
When I used the first datasheet, I reversed the heater as there was no hint, just to discover those hidden parasitic diodes.
I obviously did not damage the device (hope so), but sent that info to LT, and then they did the correction.
Frank
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