Basic Electronics Engineering

Course Objectives:

1. To understand the language of electronics, elements and their functionality
2. Basic understanding of analog systems and their applications
3. Basic understanding of digital systems and their applications

1. 1. Basic Circuits Concepts(4 hours)
      1. Passive components: Resistance, Inductance, Capacitance; series, parallel combinations; Kirchhoff’s law: Voltage, Current; Linearity
      2. Signal sources: Voltage and Current sources; Non-ideal sources; Representation under assumption of Linearity; controlled sources: VCVS, CCVS, VCCS, CCCS; concept of Gain, Transconductance, Transimpedance
      3. Superposition theorem, Thevenin’s theorem, Norton’s theorem
      4. Introduction to Filter

1. 1. Diodes(7 hours)
      1. Semiconductor Diode Characteristics
      2. Modeling the Semiconductor Diode
      3. Diode circuits: Clipper; Clamper circuits
      4. Zener diode, LED, Photodiode, Varacters diode, Tunnel diodes
      5. DC power supply: Rectifier; Half wave, Full wave(center-tapped, bridge), Zener-regulated power supply

1. 1. Transistor(4 hours)
      1. BJT configuration and biasing, small and large signal model
      2. T and µ model
      3. Concept of Differential amplifier using BJT
      4. BJT switch and Logic circuits
      5. Construction and working principle of MOSFET and CMOS
      6. MOSFET as logic circuits

1. 1. The Operational Amplifier and Oscillator(7 hours)
      1. Basic model; Virtual ground concept; Inverting Amplifier, Non-inverting Amplifier, Integrator, Differentiator,Ssumming Amplifier and their applications
      2. Basic feedback theory; positive and negative feedback; concept of stability; Oscillator
      3. Waveform generator using Op-Amp for Square Wave, Triangular Wave, Wien Bridge Oscillator for sinusoidal waveform

1. 1.  Communication System(4 hours)
      1. Introduction
      2. Wired and Wireless Communication system
      3. EMW and propagation, Antenna, Broadcasting and Communication
      4. Internet/Intranet
      5. Optical fiber

1. 1. Digital Electronics(11 hours)
      1. Number systems, Binary arithmetic
      2. Logic gates: OR, NOT, AND, NOR, NAND, XOR, XNOR gate; Truth tables
      3. Multiplexers, Demux, Encoder, Decoder
      4. Logic Function Representation
      5. Combinational circuits: SOP, POS form; K-map
      6. Latch, flip-flop: S-R flip-flop; JK flip-flop, Master-Slave flip-flop; D-flip flop
      7. Sequential circuits: Generic block diagram; Shift registers; Counters

1. Application of Electronic System(5 hours)
   1. Instrumentation system: Transducer, Strain Gauge, DMM, Oscilloscope
   2. Regulated power supply
   3. Remote control, Character Display, Clock, Counter, Measurements, Data Logging, Audio-Video system

Practical:

1. Familiarization with passive components, function generator and oscilloscope
2. Diode characteristics, rectifiers, Zener diodes
3. Bipolar junction transistor characteristics and single stage amplifier
4. Voltage amplifiers using op-amp, Comparators, Schmitt
5. Wave generators using op-amp
6. Combinational and sequential circuits

References:

1. Basic Electronics Engineering

   Shyam Dhakal and Others

Evaluation Scheme: The questions will cover all the chapters of the syllabus. The evaluation scheme will be as indicated in the table below:

Chapter	Hour	Mark Distribution*
1	4	8
2	7	12
3	7	10
4	7	10
5	4	10
6	11	12
7	5	10
2, 3, 4, 5, 7		8
Total	45	80

*Note: There may be minor deviation in marks distribution.