Conduction之測試方式
EN55022是參照Cispr22所制定出來的,其中包含Conducted及Radiated 的
測試,是測試EUT工作時所不該產生的信號.
1.Conducted:
(1)資訊類產品:
額定電源供應不超過600V測試就Power而言是測試AC Powerline Conducted 如果是.測試分兩種標準為Class A (EUT於工業區環境適用)及Class B
(EUT於家用及商業環境適用).以讀取到的Average及Quasi-peak值最好是低於 -3dB
CE: Conduction 測試頻率範圍(0.15~30 MHz)
Input (230V / 50Hz)
Class A :
Frequency
Range (MHz)
|
Limits dB (uV)
|
Quasi-peak
|
Average
|
0.15 to 0.5
|
79
|
66
|
0.5 to30
|
73
|
60
|
Class B:
Frequency
Range (MHz)
|
Limits dB (uV)
|
Quasi-peak
|
Average
|
0.15 to 0.5
|
66 to 56
|
56 to 46
|
0.5 to 5
|
56
|
46
|
5 to30
|
60
|
50
|
|