Description: AD-tuning the design of high-precision capture of a high-precision digital-to-analog conversion software correction algorithm to eliminate OPAMP amplifier, the ratio of resistors, AD converters, printed circuit board, such as the error caused by physical, we have successfully applied digital voltage meter, digital ammeter, digital ohmmeter, digital program-controlled power supply and other projects, the practice proved that the algorithm is applied to a variety of high-accuracy AD conversion of the correction, to eliminate the error caused by physical
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