Contents Section-I: Semiconductor Physics & Semiconductor Diodes • Introductory Concepts • Semiconductor Physics • Theory of P-N Junction Diode • Special Diodes • Applications of Diodes Section-II: Transistors, Amplifiers and Oscillators • Bipolar Junction Transistors (BJTs) • Transistor Biasing and Stabilization • Single Stage Transistor Amplifiers • Field-Effect Transistors (FETs) • Multistage Amplifiers • Feedback Amplifiers and Oscillators Section-III: Integrated Circuits (ICs) and Power Supplies • Integrated Circuits (ICs) • Operational Amplifier (OP-AMPs) • The 555 IC Timer • Regulated and Switching Power Supplies Section-IV: Digital Electronics & Displays • Number Systems and Codes • Logic Gates and Boolean Algebra • Logic Circuits • Displays Section-V: Electronic Measurements and Instrumentation, Microprocessors and Communication Systems • Electronic Instruments • Transducers • Microprocessors • Communication System • Objective Questions • Index.