The present invention relates to a detection circuit for detecting that a power supply unit is connected to a wrong supply voltage.

本发明涉及一种用于检测电源单元被连接到错误的电源电压的检测电路。

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According to the different types of power supply, there are chaotic state weak signal detection circuit of constant-current and chaotic state weak signal detection circuit of constant-voltage.

根据电源种类的不同，检测电路可分为恒流式混动态微弱电信号检测电路和恒压式混动态微弱电信号检测电路两种。

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The circuitry is described including single chip computer , signal converting circuit, constant current supply circuit and zero-detection circuit.

介绍了电路系统，包括微机部分、信号转换与处理电路、恒流源电路、测零电路等硬件。讨论了软件设计的有关问题。

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