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4th Semester
IT-404
Unit 4 Notes

IT-404 Analog & Digital Communication Unit 4 Notes

Notes and important questions for unit 4: Sampling and Pulse Modulation.

Unit 4 · Short notes Sampling and Pulse Modulation Sampling of signals and sampling theorem for low‑pass and band‑pass signals · Pulse amplitude modulation (PAM) and time‑division multiplexing (TDM) · Channel bandwidth considerations for PAM‑TDM signals · Types of sampling: instantaneous, natural, flat‑top, aperture effect · Pulse‑position modulation and pulse‑duration modulation · Digital signal concepts: quantization, quantization error

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