Designing a binary counter
Weiss, Arnim Mark
Bryson, H. C.
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As part of the curriculum of the Electronics Engineering Course at the U. S. Naval Postgraduate School the author was assigned as a junior engineer to the Engineering Products Department, RCA Victor Division, Radio Corporation of America, Camden, N. J. for a period of eleven weeks during the winter of 1949. He was specifically assigned to assist Mr. H. C. Bryson of RCA in the pre-production development of a counter under Navy Contract NObsr-393l3. This project consisted primarily of investigating miniature and sub-miniature techniques in order to produce an easily portable piece of test equipment. Prior to, and during this period, the author studied the articles listed in the Bibliography to assist him in this assignment and in the preparation of this thesis. Using this background and the circuitry already developed by Mr. W. H. Bliss of the RCA Laboratories Division. Princeton, N. J. the author attempted to design a 400,000 to 1 counter by scaling known designs to the needs of the assigned project. By trial and error techniques barely acceptable circuits were produced. It soon became apparent that it would be highly desirable to have some means of predicting the optimum circuit design. To meet this need, and at the instigation of Mr. Bryson, the author evolved the design procedures set forth in this thesis. Three different counter circuits were built using these procedures and upon testing gave highly satisfactory results. Rather than write a lengthy summary of the past literature on counters, the author hopes that this paper will be an extension to the literature. The only claim to true originality lies in the method for determining the optimum ratio of R2 to R3; it was on this phase that the author spent the major portion of his research time on this project. The other procedures set forth, however, represent a compilation in one article of known facts in other fields of electronics which are adaptable to the design of electronic counters. It is hoped that this paper will meet the need for which it was written; to this end it is additionally being offered for publication in a technical periodical. The Bibliography herein is offered for those who wish to make a more extensive study of counters, their circuitry and applications.
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