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实用新型
CN203243286U 一种模拟量变换器隔离放大电路 有权

一种模拟量变换器隔离放大电路
摘要：
本实用新型公开了一种模拟量变换器隔离放大电路，包括电压调整电路、隔离放大电路和输出接口电路；电压调整电路对输入的模拟量信号进行电压调整使之适应隔离放大电路的工作条件，隔离放大电路将电压调整电路输出的信号进行电磁隔离和放大，输出接口电路对隔离放大电路的输出信号进行偏置，所述隔离放大电路采用调频隔离体制隔离放大芯片。
摘要（英）：

The utility model discloses an isolating amplifying circuit of an analog quantity converter. The isolating amplifying circuit comprises a voltage adjustment circuit, an isolating amplifying circuit body and an output interface circuit. The voltage adjustment circuit performs voltage adjustment on input analog quantity signals so that the analog quantity signals can be adapted to working conditions of the isolating amplifying circuit body, the isolating amplifying circuit body performs magnetic isolating and amplifying on the signals output by the voltage adjustment circuit, and the output interface circuit performs biasing on the output signals of the isolating amplifying circuit body. According to the isolating amplifying circuit, a frequency modulation isolating system is adopted for isolating and amplifying a chip.

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