A self calibrating digital nanovoltmeter

Summary form only given. A voltmeter with high resolution, very high input impedance, and excellent short-term stability for use in the comparison of DC reference standards is reported. The instrument uses a very stable, low-noise voltage reference, maintained within the instrument, to perform self-...

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Bibliographic Details
Published inConference on Precision Electromagnetic Measurements p. 128
Main Author Langstaff, S.
Format Conference Proceeding
LanguageEnglish
Published IEEE 1990
Subjects
Calibration
Circuit noise
Circuit stability
Copper
Digital filters
Impedance
Instruments
Optical filters
Voltage
Voltmeters
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Summary:Summary form only given. A voltmeter with high resolution, very high input impedance, and excellent short-term stability for use in the comparison of DC reference standards is reported. The instrument uses a very stable, low-noise voltage reference, maintained within the instrument, to perform self-calibration regularly. Self-calibration combined with circuit design considerations has yielded a nanovoltmeter with short-term stability of better than 15 nV.< >
DOI:10.1109/CPEM.1990.109955