I do the physical layout of microcurcuits (chips) for analog circuits. For example, the chip in your cell phone that drives the earpiece or hte chip in your cell phone that tells you when to charge you battey.
Other Comments:
I guess that this isn't too far removed form being an aviation "Scope Dope" on P-3s because I'm still chained ot a CRT. . . ok, today it's a flat screen monitor.
1973-1977, AW-9502, VP-31 The Genies/Black Lightnings