A self-balancing bridge for in-circuit resistance measurement

descriptionPublicationkeyboard_double_arrow_right Article , Other literature type 01 Jan 1985Publisher:Institute of Electrical and Electronics Engineers (IEEE)Journal:Proceedings of the IEEE, volume 73, pages 1,680-1,682 (issn: 0018-9219,

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Authors: M. Rehman; M. T. Ahmed; Mohd Arif;

doi: 10.1109/proc.1985.13347

A self-balancing bridge for in-circuit resistance measurement

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Abstract

This letter deals with a novel and versatile bridge setup for the direct measurement of in-circuit resistance. Unlike other directreading bridges, it is a balanced, active bridge. It basically employs an active RC integrator, a fixed standard resistance, and a reference voltage source. The steady-state output voltage of the integrator is found to be directly proportional to the unknown resistance. Test results show the accuracy of measurement to be of the order of 1 percent in the range of 0.4 to 60 kΩ.

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