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电子工程专辑
3 年
如何利用PN阶来测量温度?
简 介: 根据PN结的电流电压方程,可以看到它与PN温度有关,基于此可以用于测量环境或者芯片内部的温度。选择NPN,PNN三极管(2N3906,2N3904)所得到的温度比起普通的PN结更加的精确。本文参照 Accurate Temperateure Sensing with an External PN Junction [1] 给出了设计外部PN结 ...
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