EC25C09 Electronic Circuits Laboratory – Semester III – ECE / ElecComp

Subject Code & Name: EC25C09 – Electronic Circuits Laboratory

Regulation: R-2025

Semester: III (Third Semester)

Branch: B.E. Electronics and Communication Engineering (ECE) / B.E. Electronics and Computer Engineering (ElecComp)

Credits / L-T-P: 2 Credits | L-T-P: 0-0-4

Course Objectives

To develop hands-on skills in designing and analyzing electronic circuits including amplifiers, oscillators, and related applications.

Study and simulation of clipper and clamper circuits.
Design and analysis of rectifiers (HWR, FWR, Bridge) with filters.
Design of Zener diode voltage regulator and power supply.
Design and analysis of BJT biasing circuits and RC-coupled amplifier.
Design and analysis of MOSFET biasing circuits.
Implementation of common source (CS), common drain (CD), and common gate (CG) amplifiers.
Frequency response analysis of BJT/FET amplifiers.
Design and simulation of RC phase shift and Wien bridge oscillators.
Study of multivibrator circuits (Astable and Monostable).
Analysis of Class A and Class B power amplifiers with efficiency calculation.

CO1: Define and explain the operation of diode circuits transistor biasing, amplifiers, feedback systems oscillators, and power amplifiers.
CO2: Apply circuit principles to design and implement rectifiers, filters, biasing circuits, amplifiers, and oscillators using simulation tools.
CO3: Analyze the performance of electronic circuits in terms of gain, frequency response, stability, and efficiency.
CO4: Design and evaluate advanced circuit behavior including feedback effects, distortion, and power amplifier performance under practical conditions.

Weightage: Continuous Assessment 60% | End Semester Examinations 40%
Internal methodology: Project (30%), Assignment (10%), Practical (30%), Internal Examinations (30%)

Source: Official Anna University – B.E. Electronics and Communication Engineering R-2025 Curriculum
Last Updated: September 2026

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