Magnetometer instrumentation with digitally controlled range changing

Magnetometer instrumentation which processes the signals from an array of magnetometer assemblies wherein the need for multiple sets of motor driven resistors to change the gain of the signal processing channels is eliminated by the provision of an arrangement which utilizes multiplying digital-to-a...

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Bibliographische Detailangaben
Hauptverfasser: WILSON, JAMES H, PETROSKY, KENNETH J
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:Magnetometer instrumentation which processes the signals from an array of magnetometer assemblies wherein the need for multiple sets of motor driven resistors to change the gain of the signal processing channels is eliminated by the provision of an arrangement which utilizes multiplying digital-to-analog converters that are directly commandable by digital signals.