BM25C07 Devices and Circuits Laboratory – Semester III – BME / MedElec

Subject Code & Name: BM25C07 – Devices and Circuits Laboratory

Regulation: R-2025

Semester: III (Third Semester)

Branch: B.E. Biomedical Engineering (BME) / B.E. Medical Electronics (MedElec)

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

Course Objectives

To understand and analyse the fundamental characteristics and applications of semiconductor devices such as diodes, BJTs, JFETs, MOSFETs, and SCRs through hands-on experiments and simulations.

Testing of electronic components (Resistors, Capacitors, PN Junction diode, Zener Diode, BJT, FET….) using multimeter and study of DSO.
Characteristics of PN Junction diode.
Characteristics of Zener diode.
Characteristics of LED
Clipper and Clamper circuits.
Simulate, investigate and compare the various biasing circuits of BJT amplifier.
Characteristics of a transistor connected in Common Base (CB) configuration and calculate current gain, input and output resistance.
Characteristics of a transistor connected in Common Emitter (CE) configuration and calculate current gain, input and output resistance.
Obtain the output waveforms and determine ripple factor of a Half Wave Rectifier with and without filter
Obtain the output waveforms and determine ripple factor of a Full Wave Rectifier with and without filter
Drain and Transfer characteristics of JFET

Activities: Design and develop a power supply circuit.

CO1: Demonstrate and analyze the characteristics of PN junction diodes, Zener diodes, and light dependent devices through experiments.
CO2: Analyze transistor characteristics in CB and CE configurations.
CO3: Simulate, investigate, and compare BJT biasing circuits.
CO4: Design and implement rectifier circuits and power supplies (linear and SMPS) to understand practical electronic applications.

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

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