The circuit, through evaluating the input voltage and controlling the selector of the measuring scale, realizes automatic selection in high precision instrument.
该电路通过对被测电压的判断和量程选择器的控制，实现了在高精度仪表中量程的自动选择。
2
This paper introduces three methods to realize composite logic function with medium - scale data selector: the common method, the expanding method and the dimension - reducing method.