Comprehensive in scope and contemporary in coverage, this text introduces basic electronic and data communications fundamentals, and explores their application in modern digital and data communications systems. Students with previous knowledge in basic electronic principles and fundamental calculus concepts will gain a complete understanding of the topics presented here. Tomasi's Advanced Electronic Communication Systems 5/e is the last 10 chapters of this text.

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Electronic Communications Systems: Fundamentals Through Advanced, Fourth Edition, provides comprehensive coverage of the field of electronic communications. It introduces the reader to the basic concepts of conventional analog electronic communications systems and expands the reader's knowledge to more modern digital, optical fiber, microwave, satellite, and cellular and PCS telephone communications systems.

All topics have been updated to present the latest information available in this fast-changing field, and completely new sections have been added to cover the following important topics:

AM envelopes produced by complex nonsinusoidal signals
Quadrature Amplitude Modulation
Noise limiters and blankers
Alternate signal-to-noise measurements
Single-sideband suppressed carrier and frequency division multiplexing
Double-sideband suppressed carrier and quadrature multiplexing
Microstrip and stripline
Light sources, optical power, optical sources, and link budget
Trellis encoding
CCIt modem recommendations
PCM line speed
Extended superframe format and wavelength division multiplexing
Kepler's laws Clark orbits, and limits of visibility

In addition, an entirely new chapter has been added with coverage of:

Mobile telephone systems (including AMPS, PSC, and PCSS)

This text is written for use in undergraduate level electronic communications courses in which students have prior knowledge of some of the basic electronic principles, as well as an understanding of mathematics through the fundamental concepts of calculus.

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