EASA Module 4 study guide

EASA Part-66 Module 4, Electronic Fundamentals, is one of the knowledge modules that make up the theoretical training requirement for an aircraft maintenance licence under the European aviation maintenance training system. It sits alongside the other basic knowledge modules and is normally delivered by a Part-147 approved maintenance training organisation, either as a full course or as a bridging module for candidates extending an existing licence category. Because electronic systems now underpin almost everything on a modern aircraft - from engine control units and instrument displays to sensing and actuation loops - the module is written to give a maintenance technician a working understanding rather than a designer's depth. The syllabus is grouped into three broad areas: semiconductors, covering diodes, transistors, thyristors and integrated circuits together with their practical behaviour in circuits; printed circuit boards, covering construction, assembly, soldering and inspection practice together with typical defect recognition; and servomechanisms, covering open- and closed-loop control, feedback, position and rate sensing, and the behaviour of synchro and servo systems. Topics on this exam: Semiconductors, Printed Circuit Boards, and Servomechanisms. The EASA Module 4 study guide has 3 sections and about 972 words.