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Quality Control, Transactions of the IRE Professional Group on

Popular Articles (December 2014)

Includes the top 50 most frequently downloaded documents for this publication according to the most recent monthly usage statistics.
  • 1. The reliability problems in guided missile development

    Page(s): 34 - 41
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    We are all familiar with the old adage, “Money is the root of all evil”. However, in the face of modern military requirements, it might well be changed to say, “Speed, with its attendant accelerations, is the root of our difficulties. View full abstract»

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  • 2. Application engineering for improved electronic reliability in guided missiles

    Page(s): 41 - 58
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    The subject of reliability has been receiving increased attention from electronic engineers recently, and a number of highly beneficial symposia have been conducted. The difficult problem of combining electronic complexity with high reliability unfortunately has been avoided for the greater part of its history by the electronics profession. Today, however, many tasks capable of solution only by complex electronics face us, and the reliability problem is coming closer to the top of our priority list. The application of electronics to guided missiles has been one of the earlier tasks that has supported significant effort for improved reliability. Since 1945 the author has been indulging himself with various attempts at reliable electronic equipment for missile application, and it is believed that a number of factors and considerations uncovered during this period can be classified as “Application Engineering for Improved Reliability”, and offered to the profession for whatever benefit may result. Obviously, within the confines of a single paper, there is little room for just a bit of philosophy, perhaps an anecdote, those unavoidable personal prejudices, and far too little of the detailed treatment that the subject deserves. If this paper serves to stimulate its audience to serious thought, or to debate, or to calling attention to its omissions and oversights, then its purpose will have been served. View full abstract»

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  • 3. Development of inspection manual for reliable tubes

    Page(s): 22 - 28
    Save to Project icon | Request Permissions | Click to expandQuick Abstract | PDF file iconPDF (981 KB)  

    Reliable tubes is a subject that has received a lot of publicity in the electronics field during the last few years. Nobody will dispute that tube reliability is a “must” in our present and future defense weapons. The need for an Acceptance Inspection Manual — which outlines the inspection procedures for reliable tubes, is obvious. The Inspection Manual1 that I am discussing this afternoon, was developed for the acceptance inspection of JAN Reliable Tubes. View full abstract»

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  • 4. Tube applications for increased reliability

    Page(s): 5 - 11
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    The subject of this paper concerns the possibilities of obtaining increased reliable vacuum tube performance by observing certain principles of dc feedback in connection with the application of these vacuum tubes. View full abstract»

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  • 5. A variables double sampling plan

    Page(s): 1 - 7
    Save to Project icon | Request Permissions | Click to expandQuick Abstract | PDF file iconPDF (726 KB)  

    For some time it has been the standard practice in ordering most electronic components to specify a nominal value and a plus and minus tolerance. When these components are used in conjunction with others in electronic equipment, advantage is often taken by design engineers of the fact that the tolerances do not necessarily add up directly. For instance, if we have a circuit using three 1000-ohm plus-or-minus-10 per cent resistors in series, our total value of resistance might turn out to be as high as 3300 dims or as low as 2700 ohms. This of course could only happen when the three resistors were each at the high or each at the low end of the tolerance range. View full abstract»

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  • 6. Adaptation of industry proposals to subminiature tube evaluation

    Page(s): 29 - 43
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    In recent years the tremendous growth in the use of electronic devices in commercial and military operations has placed more emphasis on the quality and performance of electronic components. Heretofore, a large percentage of the electronics business has been concentrated in the entertainment field. Now, however, human lives and national defense are dependent upon electronics. Just as a chain is no stronger than its weakest link, electronic equipment is no better than its poorest component. View full abstract»

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  • 7. An engineering progress report on reliable tubes

    Page(s): 43 - 51
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    Any engineer who has been faced with designing a piece of electronic equipment for industrial or military applications, where reliability of operation is of paramount importance, is probably familiar with the common failings of its essential element, the vacuum tube. Standard receiving types are made by the millions for radio and television and are expected to be replaced when they fail in the normal course of events. This same failure, however, in industrial applications may have serious consequences, either of a financial nature or even to the extent of endangering personnel. In the case of the commercial airlines, it became evident several years ago that even with all possible preventive maintenance, the percentage of unpredictable failures occurring in flight could not be tolerated. This was increasingly true as more electronic gear was added, such as glide-slope receivers, omni-range directional indicators, and automatic pilots, as well as the vital communication equipment. View full abstract»

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  • 8. Performance evaluation of “special red” tubes

    Page(s): 8 - 21
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    This article reviews and analyzes life-test results accumulated on “Special Red” tubes during the past four years. Data are presented on the range of major characteristics and the changes in these characteristics during the life of the tubes. This information will be of value to both the designer and the user of electronic equipment because it will provide data on the life expectancy and the range of anticipated performance variations. View full abstract»

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Aims & Scope

This Transactions ceased production in 1954. The current retitled publication is IEEE Transactions on Reliability.

Full Aims & Scope