Basic Electronics

Indian Institute of Technology Guwahati

Course topics:

  1. Semiconductor Diodes:
    • Semiconductor materials- intrinsic and extrinsic types
    • Ideal Diode
    • Terminal characteristics of diodes:
      p-n junction under open circuit condition, p-n junction under forward bias and reverse bias conditions, p-n junction in breakdown region
    • Diode small signal model
    • Zener diode and applications
    • Rectifier Circuits
    • Clipping and Clamping circuits
  2. Bipolar Junction Transistors (BJTs):
    • Physical structure and operation modes
    • Active region operation of transistor
    • D.C. analysis of transistor circuits
    • Transistor as an amplifier
    • Biasing the BJT: fixed bias, emitter feedback bias, collector feedback bias and voltage divider bias
    • Basic BJT amplifier configuration: common emitter, common base and common collector amplifiers
    • Transistor as a switch: cut-off and saturation modes
    • High frequency model of BJT amplifier
  3. Field Effect Transistor (FET):
    • Enhancement-type MOSFET: structure and physical operation, current-voltage characteristics
    • Depletion-type MOSFET
    • D.C. operation of MOSFET circuits
    • MOSFET as an amplifier
    • Biasing in MOSFET amplifiers
    • Basic MOSFET amplifier configuration: common source, common gate and common drain types
    • High frequency model of MOSFET amplifier
    • Junction Field-Effect Transistor (JFET)
  4. Operation Amplifier (Op-amps):
    • Ideal Op-amp
    • Differential amplifier: differential and common mode operation common mode rejection ratio (CMRR)
    • Practical op-amp circuits: inverting amplifier, non -inverting amplifier, weighted summer, integrator, differentiator
    • Large signal operation of op-amps
    • Other applications of op-amps: instrumentation circuits, active filters, controlled sources, logarithmic amplifiers, waveform generators, Schmitt triggers, comparators
  5. Power Circuits and Systems:
    • Class A large signal amplifiers, second-harmonic distortion
    • Transformer coupled audio power amplifier
    • Class B amplifier
    • Class AB operation
    • Power BJTs
    • Regulated power supplies
    • Series voltage regulator
    • Four layer diodes: p-n-p-n characteristics
    • Silicon controlled rectifier
Course Lectures