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The following topics are dealt with: fundamental constant, resistance, ac-dc transfer, voltage, power, impedance, magnetic variable, time and frequency measurements and standards; calibration of measurement techniques and set-ups; photonic and magnetic methods; radiofrequency measurement methods.
New mV-amplifiers driving a planar multijunction thermal converter (PMJTC) at their output have been developed to measure the output voltage of micropotentiometers (mupots). Using a twin-stage design with gains of 10, 20 and 30 per stage, total gain factors from 10 to 900 are achieved. This results in a usable range of input voltages from 100 muV up to 100 mV at frequencies from dc to 1 MHz. A novel...
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