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Proceedings Paper

Design and performance of the GOES-8 high-resolution magnetometer
Author(s): Warren D. Dunham; Steven A. Macintyre; Charles R. Upton
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Paper Abstract

The GOES-8 magnetometer is one of the most sophisticated and highest performance fluxgate magnetometers to ge flown in space. Its 16-bit analog-to-digital converter (ADC) can resolve magnetic field strengths as low as 0.03 nT. It can measure fields to an accuracy of 1 nT over a temperature range of -80 degrees C to 72 degrees C. This paper describes the GOES-8 magnetometer design and performance. The magnetometer consists of a very low noise three-axis analog magnetometer, a high resolution dual slope integrating ADC, and a redundant digital serial spacecraft interface. Another feature of the magnetometer is its ability to generate a calibration sequence upon command. The 16-bit ADC design was the most challenging. There were no 16-bit grade 1 ADCs on the market at the time (1986), so it was necessary to design the ADC using the limited number of grade 1 parts that were available.

Paper Details

Date Published: 18 October 1996
PDF: 10 pages
Proc. SPIE 2812, GOES-8 and Beyond, (18 October 1996); doi: 10.1117/12.254084
Show Author Affiliations
Warren D. Dunham, Macintyre Electronic Design Associates, Inc. (United States)
Steven A. Macintyre, Macintyre Electronic Design Associates, Inc. (United States)
Charles R. Upton, Macintyre Electronic Design Associates, Inc. (United States)


Published in SPIE Proceedings Vol. 2812:
GOES-8 and Beyond
Edward R. Washwell, Editor(s)

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