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Algebra Aids Electronics

Published online by Cambridge University Press:  03 November 2016

R. A. Cuninghame-Green
R. A. Cuninghame-Green*
Affiliation:
Leo Computers Ltd. (Now at Cerebos Foods Ltd.)
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Extract

This investigation grew out of the need to design a piece of electronic test-equipment. The purpose of the equipment was to study the effect of varying capacity upon the behaviour of a number of electric circuits, and it consisted basically of an automatically-stepping switch which presented at its output terminals a controlled sequence of values of capacity. The nature of the test demanded that the set of capacity values should as nearly as possible cover a given range in a logarithmic scale, and to economise in components the equipment was to generate the set of values from a basic set of condensers, by creating all possible parallel-connected combinations. The problem was, how to choose the basic set? The analysis has a number of points of combinatorial interest, and illustrates fairly well the ad hoc approach of the industrial mathematician.

Type
Research Article
Information
The Mathematical Gazette , Volume 49 , Issue 369 , October 1965 , pp. 271 - 275
Copyright
Copyright © Mathematical Association 1965 

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References

1. Error-correcting Codes. Peterson, W. W.. Jointly MIT Press, MIT, John Wiley & Sons, N.Y. 1961.Google Scholar