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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Hauptverfasser:	WILSON, JAMES H, PETROSKY, KENNETH J
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRONIC CIRCUITRY CONTROL OF AMPLIFICATION ELECTRICITY MEASURING MEASURING ELECTRIC VARIABLES MEASURING MAGNETIC VARIABLES PHYSICS TESTING
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creator	WILSON JAMES H PETROSKY KENNETH J
description	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.
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subjects	BASIC ELECTRONIC CIRCUITRY CONTROL OF AMPLIFICATION ELECTRICITY MEASURING MEASURING ELECTRIC VARIABLES MEASURING MAGNETIC VARIABLES PHYSICS TESTING
title	Magnetometer instrumentation with digitally controlled range changing
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