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Product Description This second, updated edition of the best-selling Radio-Frequency Electronics introduces the basic concepts and key circuits of radio-frequency systems. It covers the fundamental principles applying to all radio devices, from wireless single-chip data transceivers to high-power broadcast transmitters. This new edition is extensively revised and expanded throughout, including additional chapters on radar, digital modulation, GPS navigation, and S-parameter circuit analysis. New worked examples and end-of-chapter problems are included to aid and test understanding of the topics covered, as well as numerous extra figures to provide a visual aid to learning. Key topics covered include filters, amplifiers, oscillators, modulators, low-noise amplifiers, phase lock loops, transformers, waveguides, and antennas. Assuming no prior knowledge of radio electronics, this is a perfect introduction to the subject. It is an ideal textbook for junior or senior courses in electrical engineering, as well as an invaluable reference for professional engineers in this area. Review "Hagen's style is refreshingly free of ponderous mathematical derivations, and he goes quickly to the essential technical points of any topic he addresses..Recommended." - CHOICE Book Description Covering the fundamentals applying to all radio devices, this is a perfect introduction to the subject for students and professionals. Book Description This updated edition covers the fundamental principles applying to all radio devices. New chapters on radar, digital modulation, GPS navigation, and S-parameter circuit analysis, as well as additional worked examples and end-of-chapter problems, make the book ideal for graduate students as well as professional engineers. About the Author Jon B. Hagen was awarded his Ph.D. from Cornell University in 1972, where he went on to gain 30 years' experience as an electronic design engineer, as well as establishing and teaching a Cornell electrical engineering course on RF electronics. Now retired, he has held positions as Principal Engineer at Raytheon, Electronics Department Head at the Arecibo Observatory in Puerto Rico, and Director of the NAIC Support Laboratory at Cornell.