George W. Hippisley – författare
581 kr
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THE DEFINITIVE ANTENNA REFERENCE--FULLY REVISED AND EXPANDED!
Design and build your own antennas with the help of this unique guide. Updated and revised to provide clear answers to questions frequently asked by hobbyists and electronics technicians, Practical Antenna Handbook, Fifth Edition blends theoretical concepts with hands-on experience--requiring only high school mathematics
Reorganized to flow logically from broad physical principles to specific antenna design and construction techniques, the book begins by covering the fundamentals. Then the half-wave dipole is discussed both as an excellent antenna in its own right and as a conceptual tool for predicting the performance of other designs. Transmission line impedance matching techniques--and a companion Smith chart tutorial--lead into "must have" accessories for tuning, monitoring, and troubleshooting antenna system performance. Other tools, such as antenna modeling software and network analyzer add-ons for PCs and Macs, are addressed, and concluding chapters offer fresh insights into support structures and installation techniques.
NEW TOPICS COVERED INCLUDE:
Characteristics of all-driven and parasitic arraysBeverages and small MF/HF receiving loopsTop-loaded shunt-fed towers and other verticalsTheory and design of Yagi beamsEffect of real ground on propagation and antenna patterns, impedance, and efficiencyLightning protection and four kinds of ground systemsZoning and restrictive covenantsCOVERS A WIDE VARIETY OF ANTENNAS:
Dipoles and inverted-VsQuads, delta, and NVIS loopsWire arrays (bobtail curtain, half-square, rhombic)Verticals and shunt-fed towersRotatable Yagi beamsMF/HF receiving antennas (flag, pennant, K9AY, Beverage)Mobile and portable antennasVHF/UHF/microwave antennasAnd many moreGO TO WWW.MHPROFESSIONAL.COM/CARR5 FOR:* Tables of worldwide geographic coordinates and antenna dimensions vs. frequency * Supplier updates * Author''s blog * Additional photographs and schematics * Links to tutorials and specialized calculators
621 kr
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The definitive antenna reference—thoroughly revised and expanded to cover the latest technologies!
This fully updated handbook lays out complex antenna fundamentals in simple terms for ham and short wave radio hobbyists and electronics technicians. The book begins with quick explanations of present day antenna theories and practices before providing start-to-finish instruction on the fabrication and installation of real antennas. You will explore every type of antenna system—from VHF/UHF to mobile/wireless and everything in between.
Practical Antenna Handbook, Sixth Edition bridges the gap between the highly theoretical mathematics of antenna engineers and the “hands-on” focus of radio amateurs and experimenters. The book covers key areas such as multiple antenna families, inexpensive or free software modeling tools, and “near-professional” network analyzers. You will get coverage of new antenna types for low-frequency applications only now being opened to radio amateurs.