[问答]

Cal all channels错误消息

问答对人有帮助，内容完整，我也想知道答案 0 我有一个4端口N5241A（固件更新到最新的产品版本），我用它来测试双工变频器。我的分析仪设置为使用端口3和4测量SMC +相位，IMDx和NFX（每个都有自己的通道）。我使用两个PNA-X的内部信号源和一个外部合路器为IM3创建双音信号测量; DUT的LO由MXG外部馈电，我使用U2000A功率传感器执行源校准。我尝试使用“Cal All Channels”校准所有3个通道。但是，在校准完成并保存用户校准集后，显示屏上会弹出一条错误消息，说明（非逐字）校准中缺少错误条款。一旦我清除了错误消息，我检查了可用的校准集，发现只保存了SMC +阶段通道的校准集; IM3和NF频道的校准集未保存。我使用校准向导重复了IM3和NF通道的校准，并且令我惊讶的是，校准成功了！为此，我前往每个测量通道并更改为端口1和2，然后再次尝试“Cal All Channels”; 校准成功（令我惊讶的是！）还有其他人遇到过这个问题吗？任何建议/反馈将不胜感激！以上来自于谷歌翻译以下为原文 I have a 4-port N5241A (firmware updated to latest production release) that I'm using to test a duplex frequency converter. My analyzer is setup to measure SMC + phase, IMDx and NFX (each with its own channel) using ports 3 and 4. I'm using the two PNA-X's internal sources and an external combiner to create the two tone signal for the IM3 measurement; the LO for the DUT is being fed externally by a MXG and I'm using a U2000A power sensor to perform the source calibration. I attempted to calibrate all 3 channels using "Cal All Channels". However, after the calibration finished and I saved the user cal set, an error message popped up on the display stating (not verbatim) that error terms were missing from the calibration. Once I cleared the error message, I checked the available cal sets and found that only the cal set for the SMC + phase channel was saved; the cal sets for the IM3 and NF channels were not saved. I repeated the calibrations on the IM3 and NF channels using the Calibration Wizard and the calibrations, much to my surprise, were successful! In response to this, I went to each measurement channel and changed to ports 1 and 2 and then tried "Cal All Channels" again; the calibration was successful (again much to my surprise!) Has anyone else encountered this problem? Any advice/feedback would be greatly appreciated! 0
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答案对人有帮助，有参考价值 0 你能发布一个方块图，说明你如何设置与PNA-X相关的外部组合（使用旧配置给你带来问题）？在Cal All之前的原始设置的状态文件也非常有用。谢谢以上来自于谷歌翻译以下为原文 can you post a block diagram of how you are setting up your external combining in relation to the PNA-X (with the old configuration that gave you problems)? also a state file of your original setup prior to Cal All would be very helpful. Thanks

2018-12-11 16:22:11 评论举报刘华湘