Adding current and voltage sourcing capabilities to a measuring instrument provides an extra degree of versatility for many low level measurement applications.

在测量仪器上附加电流和电压源功能，为各种低电平测量应用提供了额外的灵活性。

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Measuring the reverse bias current of an APD requires an instrument that can measure current over a wide range as well as output a voltage sweep.

测量APD的反向偏置电流需要一种能够在很宽范围内测量电流并且能输出扫描电压的仪器。

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The experimental process and results of measuring impulse voltage and impulse current are introduced for using impulse calibration system to calibrate visual instrument.

介绍了使用冲击校准仪来标定虚拟仪器测量雷电冲击波形和操作冲击波形的试验过程和结果。

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