Electronic Circuit Design and Communication System Fundamentals
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This document provides an introduction to communication systems, including why modulation is needed, the basic components of transmitters and receivers, and different multiplexing techniques. It discusses how modulation converts information to radio frequencies for transmission, and how receivers convert the signals back down for processing. It also outlines several multiple access techniques used in cellular systems, including FDMA, TDMA, and CDMA, and provides block diagrams of cellular phone components.
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