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from the Cube is an occasional feature published by EDN.
It is akin to Sherlock Ohms in that readers submit stories
of personal experiences. This is an interesting account of troubleshooting
a circuit under extremely pressing conditions - it might determine whether
the maiden flight of the F-117A Nighthawk would happen on schedule.
Edward Nauman worked at Lockheed Skunk Works. Commercial-off-the-shelf
(COTS) usage was an unknown entity in the day for such projects, so
when a specially selected and vetted part ended up having an inherent
design shortcoming, it could really spell disaster for the end user
design team. Interestingly, the ensuing discussion by readers ends up
debating the spelling of 'gauge' vs. 'gage.'