ETB-099 – Variable Three Terminal Voltage Regulator with Power Supply and Meters is a practical trainer developed to study and understand the characteristics and applications of adjustable voltage regulators like LM317/LM338. This model demonstrates how a three-terminal regulator can be used to obtain a variable DC output voltage while maintaining line and load regulation.
The trainer includes a built-in regulated power supply, variable voltage control, and dual-range meters for monitoring input/output voltages and current. It is designed for hands-on experiments in power electronics, analog electronics, and circuit design labs.
Key Features:
Study of variable three-terminal regulator ICs (e.g., LM317)
Regulated power supply with adjustable output
Dual-range analog/digital meters for voltage and current monitoring
Load regulation and line regulation analysis
Overload protection characteristics observation
Clearly labeled layout for easy understanding
Ideal for power electronics and applied electronics labs
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