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介绍一种由热敏二极管作为传感器的温度控制电路，其电路简单，温度控制范围宽，精度较高，控制温度无级可调。该电路与ＳＭＢ－３５型数字显示面板连接，可实现温度的数字显示。
A temperature control circuit with thermal diode as a sensor is introduced. Its circuit is simple, its temperature control range is wide, its precision is high, and the control temperature is infinitely adjustable. The circuit is connected to the SMB-35 digital display panel for digital display of temperature.