English
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ETB-122 – Study of Audio Frequency Transformer is a specialized trainer designed to demonstrate the working principles and characteristics of an audio frequency (AF) transformer. It allows students to explore how AF transformers are used in impedance matching, signal isolation, and voltage amplification in audio circuits. The trainer provides all the essential circuit connections for conducting experiments on primary and secondary winding behavior, turns ratio, frequency response, and efficiency. It is an ideal setup for electronics, communication, and electrical engineering students to understand transformer operation in the audio frequency range (20 Hz to 20 kHz). Key Features:
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