TP-3 集成半导体气敏传感器的敏感元件由纳米级氧化锡( N 型半导体)及适当掺杂混合剂烧结而成。当受到酒精气体作用时,它的电阻值变化经相应电路转换成电压输出信号,输出信号的大小与酒精浓度对应,酒精浓度越大输出电压越小。
A.
正确
B.
错误
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