Unit I Introduction to Electronics Evolution of Electronics, Impact of Electronics in industry and in society. Introduction to active and passive components, P-type Semiconductor, N-type Semiconductor. Current in semiconductors (Diffusion and Drift Current). P-N Junction Diode : P-N Junction diode construction and its working in forward and reverse bias condition, V-I characteristics of P-N junction Diode, Diode as a switch, Half Wave Rectifier, Full wave and Bridge Rectifier. Special purpose diodes : Zener diode, Light Emitting Diode (LED) and photo diode along with VI characteristics and their applications. (Chapter - 1) Unit II Transistor and OPAMP Bipolar Junction Transistor : Construction, type, Operation, V-I Characteristics, region of operation, BJT as switch and CE amplifier. Metal Oxide Semiconductor Field Effect Transistors (MOSFET) : Construction, Types, Operation, V-I characteristics, Regions of operation, MOSFET as switch & amplifier. Operational Amplifier : Functional block diagram of operational amplifier, ideal operational amplifier, Op-amp as Inverting and Non inverting amplifier. (Chapter - 2)
