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背景描述:一根LED灯管,替换传统荧光灯管,兼容电子镇流器。看到一份测试计划上要求25KHZ下测量DCVoltage,DCcomponent(直流分量)还要测试阴极左右两端的电压,电流,直流电压,直流分量(CathodeMeasurements (left/right)),现在有一台高频基准镇流器问题:直流电压怎么测试?测哪个位置?阴极两端的电压电流怎么测?测哪个位置?直流分量是要计算的,但是实测的直流电压是平均值还是峰值?3 U5 z( j' J7 e7 y
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' H. y" g; @* X7 s. B A Sample Number | | | | | | | | | | | | | | | | | | | | | | | | | | | Cathode Measurements (left/right): | | | | | | | | | | | | | | | | | | | 1 The calculated DC component of the voltage waveform (% dc) equals its DC measurement (V dc) divided by its RMS measurement (V) multiplied by 100. |
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