The AET standard outlines the avionics community’s sense of the fundamentals that every avionics technician should know. Among them are the basics of direct and alternating current; circuit theory of operation, troubleshooting, calculations and measurements; resistors, inductors, capacitors and transformers; analog circuits and power supply circuits; and digital logic.
![](https://aircraftmaintainer.org/pluginfile.php/262/course/overviewfiles/Aircraft_Electronics_Technician_Course_Wide.jpg)