ETB-105 – Transistor Biasing Techniques & Stability Trainer is designed to demonstrate various biasing methods for BJTs (Bipolar Junction Transistors) and analyze their impact on circuit stability. It allows students to explore commonly used configurations such as fixed bias, collector-to-base bias, voltage divider bias, and others. The model includes a regulated DC power supply, a 1kHz oscillator, and clearly labeled test points to measure voltage, current, and observe signal amplification behavior.
This educational tool is ideal for developing a clear understanding of the influence of thermal stability, operating point (Q-point), and biasing resistors on transistor performance in analog electronics.
Key Features:
Demonstrates various transistor biasing methods: fixed, self, and voltage-divider
Includes 1kHz oscillator as signal source and regulated power supply
Focus on circuit stability and operating point analysis
Test points for voltage/current measurement and waveform observation
Helps understand β-dependence and thermal effects on biasing
Useful for analog electronics, circuit theory, and semiconductor labs
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