未校准的时域信号的磁场和相位测量

单通道上有一个ADC捕获模式，可能会执行您想要的操作。
但是，它实际上取决于您要测量的细节。
您可能需要更具体地了解您的信号是什么，以及您希望在PNA显示屏上看到什么以向您显示它正确获取您的信号。



     以下为原文

  There is an ADC capture mode on single-channel that might do what you want to do.  BUT, it really depends upon the details of what you are trying to measure.  You might need to be more specific of with what your signal is, and what you would like to see on a PNA display to show you it properly acquired your signal.

这个想法是用短模式序列（例如001101101）激发直通，并在与模式的主要谐波（2.5GHz，5GHz，7.5GHz，10GHz等）相对应的频率上查看磁力和相位。保存数据
。
然后，用DUT替换直通，并在相同频率下查看幅度和相位。
保存数据。
然后绘制（在PNA之外）在通过DUT替换直通时测量的频率的magintude和相位的变化。
必须显着填充DUT的输出以避免将接收器驱动到压缩状态。
这在幅度方面起作用（基本上使用PNA作为一个光谱分析仪），但如果需要相位信息，接收器需要某种参考来指定相位，对吗？
谢谢！



     以下为原文

  The idea is to stimulate a thru with a short pattern sequence (001101101 for example) and view the maginitude and phase at frequencies corresponding to the dominate harmonics of the pattern (2.5GHz, 5GHz, 7.5GHz, 10GHz, etc.)

Save the data.

Then, replace the thru with a DUT and view magnitude and phase at those same frequencies.

Save the data.

Then plot (outside of the PNA) the change in magintude and phase at the frequencies measured when the thru is replaced by the DUT.

The output of the DUT would have to be significantly padded to avoid driving the receiver into compression.

This works in terms of magnitude (essentially using the PNA as a specturm analyzer), but if phase information is desired, the receiver needs some sort of reference to specify the phase, correct?

Thank you!

男孩，你真的让某人推断你的情况，我现在要做的是：你将把时钟数据信号置于2.5 GHZ，产生推定的方波，并想测量信号的有效磁场和相位及其谐波。
当然，该模式具有模式的GCD的基本频率，因此您需要这些频率的网格来重建波形。
通常，这样的测量需要诸如NVNA（非线性矢量网络分析器）之类的东西来允许重建。
如果模式网格基于诸如10 MHz的公共参考，则NVNA可以测量它。
NVNA使用称为相位参考的东西，提供所需的相位参考。



     以下为原文

  Boy, you really make someone infer your situation, which I will do now:

You will put a clock data signal at 2.5 GHZ creating putative square waves and want to measure the effective mag and phase of the signal and it's harmonics.?

Of course, the pattern have a base frequency of the GCD of the pattern and so you need a grid of those frequencies to reconstruct the waveform.

Normally such a measurement would require something like the NVNA (Non-linear-vector network analyzer) to allow reconstruction.  If the pattern grid were based on a common reference such as 10 MHz, then the NVNA could measure it.  The NVNA utilizes something called a phase reference that provides the needed phase-reference.