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IT
4th Semester
IT-404
Unit 3 Notes

IT-404 Analog & Digital Communication Unit 3 Notes

Notes and important questions for unit 3: Angle Modulation.

Unit 3 · Short notes Angle Modulation Introduction to angle modulation and its categories · Frequency modulation (FM): frequency deviation, modulation index, deviation ratio, bandwidth requirement of FM wave · Types of FM · Phase modulation (PM) and differences between FM and PM · Direct and indirect methods of FM generation · FM demodulators: slope detector, Foster‑Seeley discriminator, ratio detector

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