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A Linear Current Regulator

Waugh, John S. and Schoolery, James N. and Yost, Don M. (1952) A Linear Current Regulator. Review of Scientific Instruments, 23 (8). p. 441. ISSN 0034-6748. doi:10.1063/1.1746343.

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Conventional vacuum-tube current regulators are effective in maintaining a current at a predetermined value, accounting for their widespread use in the familiar electronically regulated power supplies. In some applications, however, it is desirable to have the controlled current respond literally (or in some other specified fashion) to changes in some mechanical controlling device; and the ordinary circuits do not satisfy this condition, since their linearity depends upon that of an associated dc amplifier. To be sure, any desired approximation to linearity can be obtained by increasing the gain of this amplifier, but for many purposes a sufficiently linear regulator of adequate stability becomes unnecessarily complex. The simple circuit described here is novel in that its linearity depends upon that of no element except a single helical potentiometer, which is inexpensively available to linearity tolerances of 0.1 percent or better.

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Additional Information:© 1952 American Institute of Physics. Received 26 February 1952. This work was carried out in connection with a project generously supported by a grant from the Research Corporation.
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Research CorporationUNSPECIFIED
Issue or Number:8
Record Number:CaltechAUTHORS:20140807-163724117
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Official Citation:A Linear Current Regulator Waugh, John S. and Shoolery, James N. and Yost, Don M., Review of Scientific Instruments, 23, 441-441 (1952), DOI:
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:48217
Deposited By: George Porter
Deposited On:08 Aug 2014 14:37
Last Modified:10 Nov 2021 18:30

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