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2 Results Found For "noise"
Elimination of Electrical Noise
Electrical noise is a problem for most radio amateurs today and many are forced off the radio bands because of it. Don Pinnock, G3HVA, is a firm believer that radio amateurs not be forced from the air, but should deal with these problems instead. This new second edition of "Elimination of Electrical Noise" tells of Don's personal experiences in doing this—and provides solutions to noise problems that will help many. "Elimination of Electrical Noise" details the various types of noise 30kHz to 30MHz, from computers to electrical light fittings and much more. Faulty or maladjusted machinery or electronic devices can produce so much interference that normal reception is considerably affected. Computers are almost an essential in a modern shack. New to this edition is a chapter on how to reduce or eliminate noise from the computer equipment itself and from the numerous interconnecting leads. Even equipment operating below or close to International Standards can generate enough electrical noise to severely reduce the chances of a nearby amateur being able to enjoy his chosen hobby. In "Elimination of Electrical Noise," Don describes how to track down a noise source, how to deal with it at its source, and how to put up defenses in your own station to reduce noise entering via the mains wiring. He reports on his own experiments with selecting wire antennas that have the potential for increased immunity to external noise. And for those looking for a new house, there's advice on how to choose it from the point of view of noise. If you suffer from electrical noise problems, Don's experiences and advice may well provide the solution you are looking for. "Elimination of Electrical Noise" provides the help you may need to take charge, tackle that noise problem, and get the most from your hobby.
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$11.99
Microwave Know How
"Microwave Know-How" is a new compilation of articles aimed at those interested in building equipment for the amateur radio microwave bands. The designs in this book are from authors around the world who are keen microwave constructors themselves, ensuring that all of the projects use modern techniques and up-to-date components. The 192-page paperback includes chapters covering: * Antennas with designs for 23cm, 13cm, 6cm * Power amplifiers for 23cm and 10GHz * Measuring equipment, with different ways to use a spectrum analyzer and a very useful noise source * Filters and design of filters, useful for the accomplished constructor and a Hybrid coupler for 13cm * Modifying commercial equipment with detail of using surplus equipment to get o 5.7GHz, 10GHz and 24GHz * Converter for S band using a YIG LO and a 2m down converter for use with SDRs * Oscillators showing how to use a DDS and MMICs If you're already active on the microwave bands or simply looking for interesting projects, "Microwave Know-How" will show you how easy it is to become more active using modern devices and equipment.
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$19.99