[time-nuts] HP 53132A Display
Esa Heikkinen
tn1ajb at nic.fi
Sat Apr 2 18:28:42 UTC 2016
Bert Kehren via time-nuts kirjoitti:
> Did buy a HP53132a counter mainly to use with the RS 232 for high
> resolution and to have a backup for my very favorite 5345a with 40 GHz head. Sadly
> the very clean unit has a very weak display to the extend that an 8 looks
> like a 9. Have the option for a full refund but would like to explore
> alternatives. Any ideas.
Some VCR's with VFD displays had this same issue in 80-90's. It was
usually dead (dried) electrolytic capacitor somewhere in VFD drive
circuits, causing poor drive voltage levels. After replacing the dead
capacitor the display was as new.
Regards,
--
73s!
Esa
OH4KJU
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