The intelligent digital voltmeter composed of HI7159A and 8031 single chip machine

Published:2011/8/23 22:39:00 Author:qqtang | Keyword: digital voltmeter, single chip machine | From:SeekIC

The intelligent digital voltmeter composed of HI7159A and 8031 single chip machine is shown in the figure. The circuit is equipped with gradual accumulation integration, digital zero set, low noise BIMOS and other technologies. The maximum counting value is 199999 under the working mode of 5 1/2, its precision is ±0.005%.



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