MCP750- 1462 MOTOROLA

MOTOROLA MVME147-023
MOTOROLA MYME- -300
MOTOROLA MVME-300
MOTOROLA MVME2301-900
MOTOROLA MYME172-263260
MOTOROLA MVME162PA
MOTOROLA MVME162-522A

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Description

共模干扰是信号对地的电位差,主要由电网串入、地电位差及空间电磁辐射在信号线上感应的共态(同方向)电压迭加所形成。共模电压有时较大,特别是采用隔离性能差的配电器供电时,变送器输出信号的共模电压普遍较高,有的可高达130V以上。共模电压通过不对称电路可转换成差模电压,影响测控信号

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