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Simple electronic resistance bridge with µOhm resolution at low current
Umeå University, Faculty of Science and Technology, Physics.
1985 (English)In: Review of Scientific Instruments, ISSN 0034-6748, Vol. 56, no 11, 2166-2167 p.Article in journal (Refereed) Published
Abstract [en]

A simple electronic resistance bridge is described. The bridge compares an unknown four-terminal resistor in the mOmega range with a precision resistance decade in the kOmega range. A lock-in amplifier is used as zero detector. With 10-mA exciting current a resolution better than one part in 3000 is obtained for unknown resistors in the range 3–100 mOmega. Experimental results are shown for a gold sample under pressure in the range 0–35° C and 0–1.3 GPa.

Place, publisher, year, edition, pages
1985. Vol. 56, no 11, 2166-2167 p.
Keyword [en]
Bridge, resistance, sensitivity, high pressure, gold, Au
National Category
Control Engineering
Research subject
Electronics
Identifiers
URN: urn:nbn:se:umu:diva-26358DOI: 10.1063/1.1138391OAI: oai:DiVA.org:umu-26358DiVA: diva2:242054
Available from: 2009-10-06 Created: 2009-10-06 Last updated: 2010-02-03

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Publisher's full texthttp://link.aip.org/link/?RSINAK/56/2166/1

Authority records BETA

Sundqvist, Bertil

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