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嗨，我正在使用N9000A CXA信号分析仪对我的DUT（LED照明）进行测试，测试CISPR 15的频率为9kHz至150kHz。
我是否可以在N9000A CXA中安装连接的测试软件进行1键测量？ 喜欢附加的跟踪文件？ 我现在正在使用EMCO型号3825/2 LISN，你有这个模型的幅度校正数据吗？ 现在测量处于线性模式，我正在考虑对A.10.52进行固件更新（最新版本）更新后是否会更改为日志模式？ 请参考随附的屏幕截图CXA和R＆amp; S频谱分析仪测量。 阅读方面存在一些差异。 希望你能帮忙。 不同的测量值CXA和R＆amp; S.docx113.5 KB 以上来自于谷歌翻译 以下为原文 Hi, I'm using N9000A CXA signal analyzer to do conducted testing on my DUT ( LED lighting ) for CISPR 15 from 9kHz to 150kHz. Is there a connected test software I can install in N9000A CXA for 1 button measurement? like the trace file attached? I'm using EMCO model 3825/2 LISN now, do you have the amplitude correction data for this model? The measurement is in linear mode now, I was thinking to do a firmware update to A.10.52 (latest version) Will it change to log mode after the update? Please refer to the attached screen shots CXA and R&S spectrum analyzer measured. There are some differences in the reading. Hope you can help. 附件 
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4个回答
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进行这些测量时，您应该考虑几件事情。
执行一键操作将很困难。 CISPR 15对每种探测器类型有两个限制，平均值和准峰值。 您显示的屏幕截图是扫描测量。 探测器类型是平均值和峰值。 Agilent SA显示150 kHz至30 MHz的跨度，分辨率带宽为120 kHz。 CISPR带宽应为9 kHz而不是120 kHz。 对于9-150 kHz范围，带宽应为200 Hz。 对于R＆amp; S屏幕截图，9 kHz至30 MHz，使用9 kHz的CISPR带宽。 这仅适用于> 150 kHz。 此外，显示的峰值跟踪数据就是那个峰值。 为了将其与极限进行比较，应执行准峰值测量。 如果峰值数据小于准峰值限制，则可以假设符合要求。 用于测量LISN / AMN的分压因子的方法在CISPR 16-1-2中有详细说明我看到你也在VEE论坛上。 你最好的办法是编写软件为你做这个。编辑：emcpete于2012年7月9日下午3:16 以上来自于谷歌翻译 以下为原文 There are several things you should consider when making these measurements. It will be difficult to perform a one button operation. CISPR 15 has two limits for each detector type, average and quasi-peak. The screen shots that you have shown are of swept measurements. The detector types are average and peak. The Agilent SA shows a span of 150 kHz to 30 MHz with a resolution bandwidth of 120 kHz. The CISPR bandwidth should be 9 kHz not 120 kHz. For the 9-150 kHz range, the bandwidth should be 200 Hz. For the R&S screen shot, 9 kHz to 30 MHz, a CISPR bandwidth of 9 kHz was used. This is only correct for > 150 kHz. Also, the peak trace data shown is just that peak. In order to compare it to the limit, quasi-peak measurements should be performed. If the peak data is less than the quasi-peak limit, one can assume compliance. The method for measuring the Voltage Division Factor for the LISN/AMN is detailed in CISPR 16-1-2 I see that you are also on the VEE forum. Your best bet is to write software to do this for you. Edited by: emcpete on Jul 9, 2012 3:16 PM |
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正如emcpete上面解释的那样，CXA和RS的内容上的设置是不同的（RBW和启动频率），因此测量结果是不同的。
有一个CXA的测量应用 - W6141A有助于执行一键式EMC传导测量。 有关此选项的信息，请访问以下链接：http：//www.home.agilent.com/agilent/product.jspx？cc = US＆amp; cs = eng＆amp; nid = -35195.959181＆amp ;pageMode = OV您可以参考 该选项的测量指南。 http://cp.literature.agilent.com/litweb/pdf/N6141-90002.pdf您可以找到如何执行导电测量，它包括连接系统，加载平均值和准峰值和平均限制的过程 ，加载校正文件，执行测量。 请参阅EMCO型号3825/2 LISN，我没有exsit更正文件。 我想你可以根据这个LISN的数据表创建一个修正文件。 以上来自于谷歌翻译 以下为原文 As emcpete explained above, the settings on the CXA and RS's instrumnt are different(RBW and start freq), so the measurement result is different. there is a measuement application of CXA - W6141A has help to perform the one button EMC conducted measurement. The information about this option is at this linkage: http://www.home.agilent.com/agilent/product.jspx?cc=US&lc=eng&nid=-35195.959181&pageMode=OV You can refer to the meaurement guide of this option. http://cp.literature.agilent.com/litweb/pdf/N6141-90002.pdf You can find how to perform a conductive measuremt, and it includs the process of connecting the system, loading average and quasi-peak and average limit, loading correction file, performing measurement. Refer to EMCO model 3825/2 LISN, I don't have a exsit correction file for it. I think you can create a correction file according to this LISN's datasheet. |
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潇枫2016 发表于 2019-3-22 11:39 嗨，谢谢你的信息。 顺便问一下.csv中有校正数据的模板吗？ 我从供应商处获得了硬拷贝的LISN校正数据。 我需要手动键入excel表，然后将文件输入CXA。 以上来自于谷歌翻译 以下为原文 Hi, Thanks for the info. Btw do you have a template of the correction data in .csv? I'm getting the LISN correction data in hard copy from supplier. I need to key in manually into excel sheet, then input the file into the CXA. |
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获得LISN的校正数据后，最简单的输入方法是使用屏幕上的限制编辑器。 它非常易于使用。 转到Meas Setup，Limits，Edit。 或者，如果您有软件版本A.10.00或更新版本，请转到*我的文档/ EMC限制和Ampcor / Ampcor *文件夹，然后将* LISN，10A.csv *示例文件传输到您的PC并为您的LISN编辑它 。 最好的问候，迈克 以上来自于谷歌翻译 以下为原文 Once you have the correction data for your LISN the easiest way to enter this is to do so with the onscreen limit editor. It's very easy to use. Go to Meas Setup, Limits, Edit. Or, if you have software version A.10.00 or newer go to the *My Documents/EMC Limits and Ampcor/Ampcor* folder and start by transfering the *LISN, 10A.csv* sample file to your PC and edit it for your LISN. Best regards, Mike |
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