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:
Demonstrates the construction and working of an audio frequency transformer
Facilitates experiments on impedance transformation and frequency response
Clear labeling of transformer terminals for easy connection
Suitable for practical studies in analog electronics and audio systems
Supports measurement of input/output voltage, current, and transformer efficiency
Ideal for undergraduate electronics and electrical lab curriculum
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