Make your own free website on Tripod.com
SYLLABI FOR ELECTRONICS & COMMUNICATION
ECE DEPTT.
HOME
HOD'S DESK
ECE FACULTY
PLACEMENT CELL
SYLLABUS
NOTICE BOARD
CLASS BULLETIN
CONFLUENCE
SEMINAR REPORTS
COMING UP...
SEMICONDUCTOR MATERIALS AND DEVICES:-
  • Unit - I :Crystal Properties and charge Carriers in Semiconductors

    Elemental and compound semiconductor materials, crystal lattice structure. Bonding forces and energy bands in solids, charge carriers in semiconductors, carrier concentrations, drift of carriers in electric and magnetic fields.
  • Unit - II : : Excess Cariers in Semiconductors

    Optical absorption, luminescence, carrier life time and photo conductivity, diffusion of carriers.
  • Unit - III : Junction Properties

    Equilibrium conditions, biased junctions, steady state conditions, break down mechanism (rectifying diodes, Zener diodes). Transient conditions, metal semiconductor junctions, hetero junctions, (Varactor Diode, switching diodes and Schottky diodes.)

  • Unit - IV : Transitors and Optoelectronic Devices

    Bipolar junction transistors: Fundamentals of BJT operation, amplification with BJTs, metal semiconductor field effect transistors (MESFET), metal insulator semiconductor field effect transistors (MISFET), Construction, Operation and characteristics of above devices. Photodiodes, photo detectors, solar cell, light emitting diodes, light emitting materials, optical fibre, semiconductor lasers, material for semiconductor lasers.

  • Unit - V : Negative Conductance Microwave Devices and Power Devices

    Tunnel diodes, degenerate semiconductors, transit time device: the IMPATT diode, the transferred electron mechanism : The GUNN diode. Four layer devices : P-N-P-N diode, semiconductor controlled rectifier (SCR), bilateral devices : DIAC, TRIAC, IGBT.