- Title: Basic Electronics
- Department: Basic Courses (Sem I & II)
- Author: Prof. Chitralekha Mahanta
- University: IIT Guwahati
- Type: WebLink
- Abstract:
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