The ETB-279 is an advanced educational trainer designed for the detailed study of frequency response and phase relationships in a series RLC (Resistor–Inductor–Capacitor) circuit. This model is essential for understanding the principles of resonance, bandwidth, quality factor (Q), and the phase angle variation with frequency.
It includes a built-in power supply, precisely selected components, and test points to analyze voltage across individual components and the total impedance of the circuit. Ideal for students to practically understand how an RLC series circuit behaves in AC applications.
Key Features:
Analysis of resonant frequency, bandwidth, and Q-factor
Study of phase angle variation with changing frequency
Built-in regulated power supply
Clearly marked test points across R, L, and C elements
Helps visualize impedance and voltage phase shifts
Perfect for AC circuit analysis, filter design concepts, and resonance studies
Widely used in engineering colleges, polytechnic labs, and technical institutions
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