开关电源输出纹波电流怎样测试广州
答案:1 悬赏:40
解决时间 2021-01-24 18:52
- 提问者网友:最美的风景
- 2021-01-23 23:30
开关电源输出纹波电流怎样测试广州
最佳答案
- 二级知识专家网友:十鸦
- 2021-01-23 23:50
接纯电阻负载,用交流电压表(为了适应不同的仪表,最好串联上一个容量0.1微法的电容器)测量负载上的电压噪音。
也可以用电流互感器(就用中频磁芯自己绕,例如磁环,注意一次绕组就一圈,磁环要大,具体多大要看被测电流数值、磁芯性能、磁芯尺寸不能,饱和!)在实际负载上测量电压噪音。
电流互感器的输出绕组可能是十多圈到几十圈,用低电阻做负载,测量负载上的电压噪音。
he next generation keyboard, future keyboard!
challenge and subverting the global computer keyboard, keyboard music instruments in 25 years ago,
The pioneer of the Chinese people firstly entered this area. who sent it into the modern house of CEO of Microsoft?
To challenge AT&T of the United States by improving communication deficiencies
Improving communication deficiencies, Chinese people challenge AT&T of the United States.
也可以用电流互感器(就用中频磁芯自己绕,例如磁环,注意一次绕组就一圈,磁环要大,具体多大要看被测电流数值、磁芯性能、磁芯尺寸不能,饱和!)在实际负载上测量电压噪音。
电流互感器的输出绕组可能是十多圈到几十圈,用低电阻做负载,测量负载上的电压噪音。
he next generation keyboard, future keyboard!
challenge and subverting the global computer keyboard, keyboard music instruments in 25 years ago,
The pioneer of the Chinese people firstly entered this area. who sent it into the modern house of CEO of Microsoft?
To challenge AT&T of the United States by improving communication deficiencies
Improving communication deficiencies, Chinese people challenge AT&T of the United States.
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