A SIMPLE ULTRA HIGH RESOLUTION SQUID RESISTANCE BRIDGEReport as inadecuate




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Abstract : A simple and inexpensive resistance bridge is described which can monitor small changes in resistance with a resolution of up to 1 in 107. Its performance improves on that of the conventional SQUID potentiometric circuit by up to two orders of magnitude; its resolution equals that obtained with expensive current comparators, with the added advantage that, unlike the latter, it can be used with very small sample resistances.





Author: B. Barnard A. Caplin

Source: https://hal.archives-ouvertes.fr/



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