FIELD: electrical measurements equipment engineering.
SUBSTANCE: power amplifier, by means of which negative feedback is provided for, is made having alternating voltage amplifier, memorizing device and current amplifier, while power source of Holl generator provides current of sinusoidal shape.
EFFECT: higher direct current measurements precision due to lower additive error.
2 dwg
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Authors
Dates
2004-08-20—Published
2003-04-08—Filed