This course introduces the fundamental principles of electronic circuits and the behavior of semiconductor devices. The curriculum focuses on the operation and applications of diodes, bipolar junction transistors (BJTs), and field-effect transistors (FETs). Students explore operational amplifiers, rectification, and signal amplification, along with the analysis of analog and digital circuits. The course emphasizes circuit simulation and hands-on laboratory work to design and test functional electronic systems. By the end of the semester, students will be capable of analyzing complex circuit topologies and designing the electronic foundations for communication systems, power controllers, and consumer devices, bridging the gap between theoretical physics and practical hardware.