Basic electronics
Semester : I/II
Course Code : 18ELN14/24
CIE Marks : 40 SEE Marks : 60
basic electronics
(18eln14/24)
SYLLABUS
MODULE-1
Semiconductor Diodes and Applications:
p-n junction diode, Equivalent circuit of the diode, Zener Diode, Zener diode as a voltage regulator, Rectification-Half wave rectifier, Full wave rectifier, Bridge rectifier, Capacitor filter circuit (2.2,2.3,2.4 of Text 1). Photo diode, LED, Photo coupler. (2.7.4, 2.7.5, 2.7.6 of Text 1). 78XX series and 7805 Fixed IC voltage regulator (8.4.4 and 8.4.5 of Text 1).
MODULE-2
FET and SCR: Introduction,
JFET: Construction and operation, JFET Drain Characteristics and Parameters, JFET Transfer Characteristic, Square law expression for I, Input resistance,
MOSFET: Depletion and Enhancement type MOSFET- Construction, Operation, Characteristics and Symbols, (refer 7.1, 7.2, 7.4, 7.5 of Text 2), CMOS (4.5 of Text 1). Silicon Controlled Rectifier (SCR) — Two-transistor model, Switching action, Characteristics, Phase control application (refer 3.4 up to 3.4.5 of Text 1).
MODULE-3
Operational Amplifiers and Applications: Introduction to Op-Amp, Op-Amp Input Modes, Op-Amp Parameters-CMRR, Input Offset Voltage and Current, Input Bias Current, Input and Output Impedance, Slew Rate (12.1, 12.2 of Text2). Applications of Op-Amp – Inverting amplifier, Non-Inverting amplifier, Summer, Voltage follower, Integrator, Differentiator, Comparator (6.2 of Text 1).
MODULE-4
BJT Applications, Feedback Amplifiers and Oscillators:
BJT as an amplifier, BJT as a switch, Transistor switches circuit to switch ON/OFF an LED and a lamp in a power circuit using a relay (refer 4.4 and 4.5 of Text 2). Feedback Amplifiers — Principle, Properties and advantages of Negative Feedback, Types of feedback, Voltage series feedback, Gain stability with feedback (7.1-7.3 of Text 1). Oscillators — Barkhaunsen’s criteria for oscillation, RC Phase Shift oscillator, Wien Bridge oscillator (7.7-7.9 of Text 1). IC 555 Timer and Astable Oscillator using IC 555 (17.2 and 17.3 of Text 1).
MODULE-5
Digital Electronics Fundamentals:
Difference between analog and digital signals, Number System-Binary, Hexadecimal, Conversion- Decimal to binary, Hexadecimal to decimal and vice-versa, Boolean algebra, Basic and Universal Gates, Half and Full adder, Multiplexer, Decoder, SR and JK flip-flops, Shift register, 3 bit Ripple Counter (refer 10.1-10.7 of Text 1). Basic Communication system, Principle of operations of Mobile phone (refer 18.2 and 18.18 of Text 1).