The diagonal current sum or difference of compound bridge has been regarded as output, its quantity can be selected as the larger or the smaller measured variable automatically.
2
在此基础上，通过采用单刀双掷电子开关切换两路幅值不同的直流量实现低时延方波信号输出；
On this basis, realizing low delay square wave signal output by Switching two different amplitude DC signals with SPDT;
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