Communications Receivers pdf epub mobi txt 电子书 下载 2025

"A nice mix of theoretical and practical information. Many useful detailed circuits are shown and system analyses and trade-off studies are included." - "Ham Radio magazine". The leading guide to receivers - with updates on all crucial DSP elements. From reception basics to cutting-edge software radio design, this update of "Communications Receivers" brings you a storehouse of task-simplifying and task-clarifying information, examples, and tips.Prized by professionals and hobbyists for its ready-to-use insights on the theory and design of all types of communications receivers - including shortwave, military, broadcast, and direction-finding - this newly revised edition features: advances in DSP, cellular, and software radio design; details on designing, operating, specifying, installing, and maintaining every kind of receiver in common use; specific design approaches, circuit examples, and component specs; help with microprocessors and logic devices; coverage of important pulse and data operating modes; more than 250 illustrations and diagrams; handy reference material in tables, charts, and figures; underlying theory linked to real-life technological applications; and necessary and understandable mathematical applications and explanations. Here, you'll learn the principles and practices involved in receivers and receiver systems, antennas and antenna coupling, amplifiers and gain control, mixers, frequency, oscillators, demodulation and demodulators, digital signal processing, and much more. For better designed and better functioning receivers, "Communications Receivers" is your first choice. Tackle any receiver design job with this example-packed guide, the favorite of receiver designers and operators through three editions.