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The ETB-175 Crystal Oscillator trainer demonstrates the operation and characteristics of a crystal-stabilized oscillator circuit using CMOS ICs. This model is designed for engineering students to understand the generation of highly stable and precise frequency signals, which are commonly used in communication systems, microprocessors, and digital electronics. The circuit uses a CMOS inverter gate (such as 4049 or 4069) in combination with a quartz crystal to maintain stable oscillations at a fixed frequency. The trainer includes a built-in regulated power supply and provides terminals for waveform observation and measurements, making it ideal for time and frequency domain analysis. This educational tool allows learners to explore the importance of crystal oscillators in digital circuits, especially where frequency accuracy is critical. Key Features:
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