The ETB-235 Advanced Frequency Modulation & Demodulation Trainer is a comprehensive training kit developed to demonstrate advanced principles of Frequency Modulation (FM) and Frequency Demodulation. This trainer allows users to study the generation of wideband and narrowband FM signals, analyze frequency deviation, and observe demodulated output using various detection methods. Equipped with a built-in modulating signal source, RF section, VCO, and demodulator circuits, the trainer offers practical insights into modern FM communication techniques. Perfect for electronics, communication, and RF engineering labs in universities and technical institutions.