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李兰英

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[问答]

怎么通过SCPI使用Cal All生成IIP2Hi校正集

我们使用带有A.09.90.07固件的N5242A PNA-X来尝试生成IIP2Hi测量的校正集。
校准完成后,校正集似乎已保存,但在尝试应用校正集时,我收到错误消息516,“当前仪器状态中的关键参数......”。
即使我尝试通过GUI选择校正集并选择“更改参数以匹配..”并且无论以前的仪器设置如何,都会发生这种情况。
此外,当通过SCPI命令查询PNA时:“SENSe”+ ch +“:CORRection:CSET:ACTivate?NAME”尽管在PNA上看到“No Corr”,我们得到一个响应,即所讨论的校准集应用于通道
显示??
Cal All和IIP2Hi测量是否有任何已知问题?

以上来自于谷歌翻译


     以下为原文

  We am using a N5242A PNA-X with A.09.90.07 firmware to try and generate a correction set for IIP2Hi measurements.
When the calibration is complete the correction set appears to be saved but when attempting to apply the correction set I get an error message 516, “Critical parameters in your current instrument state ....”.
This occurs even if I attempt to select the correction set via the GUI and select "Change parameters to match.." and regardless of previous instrument settings.

Additionally, when querying the PNA via the SCPI command: "SENSe"+ch+":CORRection:CSET:ACTivate? NAME"
We get a response that the calibration set in question is applied to the channel despite seeing “No Corr” on the PNA display??

Are there any know issues with Cal All and the IIP2Hi measurements?  

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刘华湘

2018-11-14 17:14:47
当您运行Cal All时,您是否将IMD cal设置中的“Include 2nd Order”标志设置为true?

以上来自于谷歌翻译


     以下为原文

  when you run Cal All, do you set the "Include 2nd Order" flag in the IMD cal settings to true?
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李兰英

2018-11-14 17:21:04
引用: Topcbpcba 发表于 2018-11-14 07:04
当您运行Cal All时,您是否将IMD cal设置中的“Include 2nd Order”标志设置为true?

以上来自于谷歌翻译

是的,无论是通过前面板还是通过SCPI执行命令:SYST:CAL:ALL:MCL:PROP:VAL'Include 2nd Order','true'

以上来自于谷歌翻译


     以下为原文

  Yes, both when doing it via the front panel and via SCPI with the command:
SYST:CAL:ALL:MCL:PROP:VAL 'Include 2nd Order', 'true'
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刘华湘

2018-11-14 17:35:43
引用: 潇枫2016 发表于 2018-11-14 07:11
是的,无论是通过前面板还是通过SCPI执行命令:SYST:CAL:ALL:MCL:PROP:VAL'Include 2nd Order','true'

以上来自于谷歌翻译

在这种情况下,你能够从你的PNA-X(完成Cal All后包含calset的.csa文件)共享状态吗?

以上来自于谷歌翻译


     以下为原文

  in that case, would you be able to share the state from your PNA-X (the .csa file that includes the calset after you have finished Cal All)?
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李兰英

2018-11-14 17:48:34
引用: Topcbpcba 发表于 2018-11-14 07:25
在这种情况下,你能够从你的PNA-X(完成Cal All后包含calset的.csa文件)共享状态吗?

以上来自于谷歌翻译

很不幸的是,不行。
但我会检查可以分享的内容。
我可以说,当我为IIP2Hi执行CalAll时,我们试图校准的停止频率在进行校准时不会加倍。
对于IIPHi,不应该将cal的停止频率加倍?
频率跨度*出现*以保持不变。
此外,问题的一部分可能是我们在CalAll中包含一个为IIP3类型测量配置的通道以及IIP2。
我不知道任何会导致这两种类型的测量不相容的东西,但可能存在?
谢谢,/ JayB。

以上来自于谷歌翻译


     以下为原文

  Unfortunately, no. But I will check on what can be shared.
I can say that it would appear that when performing the CalAll for IIP2Hi the stop frequency we are trying to calibrate to is not doubling when doing the calibration. For IIPHi shouldn't the stop freqency of the cal be doubled? The frequency span *appears* to stay the same.
Also part of the problem may be that we are including a channel configured for IIP3 type measurements in the CalAll along with IIP2. I am not aware of anything that would cause these two types of measurments to be incompatible but possibly there is?

Thanks,
/JayB.
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