IITJEE Mains • Physics New Syllabus
Module 19: Electronics & Communication Hub
Master semiconductor physics and modern communication. Explore energy bands, p-n junctions, logic gates, modulation techniques, and signal propagation.
Topic 1.1 • Solid State Basics
Energy Bands in Solids, Intrinsic & Extrinsic Semiconductors, and Charge Carriers
Topic 1.2 • Junction Dynamics
p-n Junction Formation, Depletion Region, Barrier Potential, and Biasing (Forward/Reverse)
Topic 2.1 • Diode Applications
Junction Diode I-V Characteristics, Half/Full Wave Rectifiers, and Zener Diodes
Topic 2.2 • Active Devices
BJT Characteristics, Common Emitter Configuration, and Transistors as Switches/Amplifiers
Topic 3.1 • Digital Logic
Logic Gates (AND, OR, NOT, NAND, NOR), Truth Tables, and Boolean Algebra Basics
Topic 3.2 • Comm. Systems
Elements of a Communication System, Bandwidth of Signals, and Transmission Media
Topic 4.1 • Wave Propagation
Ground Wave, Sky Wave, Space Wave Propagation, and Line of Sight (LOS) Ranges
Topic 4.2 • Signal Modulation