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- W2356656440 abstract "A precision current source based on two-channel D/A converts with low resolution was designed for the digital industrial instrument. The microprocessor controlled two output channels of 8-bit D/A converter TLC5628 to generate high-precision voltage output by rough and fine adjustment,respectively. Then the voltage changed to current by the V/I converter circuit consisting of TLC27L2 and a transistor. The paper analyzed current error caused by uncertain values of resistors and voltage reference and also introduced a measuring range parameter calibration method which can significantly improve the output current accuracy by defining measurement span.Tests show that the current source was characterized with high precision,low cost,easy calibration and high practical value." @default.
- W2356656440 created "2016-06-24" @default.
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- W2356656440 date "2013-01-01" @default.
- W2356656440 modified "2023-09-24" @default.
- W2356656440 title "Design of Low Cost Instrument Current Source with High Accuracy" @default.
- W2356656440 hasPublicationYear "2013" @default.
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