Topics: Atomic, Crystals, Doped Materials, N-Type Material, P-Type Material, PN Junctions, Diodes, Diode Applications, Bipolar Junction Transistors, BJTs, BJT Biasing, Amplifier, BJT Small Signal Amplifiers, Junction Field Effect Transistors, JFETs, JFET Small Signal Amplifiers, Metal Oxide Semiconductor FETs, MOSFETs, DE-MOSFET, MOSFET Small Signal Amplifiers, Class D Power Amplifiers