The ETB-079 trainer is designed to experimentally demonstrate the voltage regulation characteristics of gas-filled regulator tubes. It allows students to observe how such tubes maintain a constant voltage across varying load currents—an important concept in early analog electronics and high-voltage applications.
This model comes with 2 analog/digital meters and operates in a Voltage Variable (V.V.) configuration, offering a clear and measurable understanding of static and dynamic characteristics of voltage regulator tubes. It is highly suitable for physics, electrical, and vintage electronics labs focusing on vacuum tube technologies.
Key Features:
Study of voltage-current characteristics of regulator tubes
Includes 2 meters for accurate measurement of voltage and current
V.V. configuration for adjustable voltage input
Enables study of load regulation and voltage stabilization
Robust, student-friendly design for easy use in labs
Ideal for electronics history, analog circuits, and vacuum tube education
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