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您好，使用Agilent 33522B时，我注意到使用SOUR：FUNC：ARB {}从易失性存储器中选择新波形时，请确保偏移和幅度设置恢复为默认值0V和100mV。
然后我可以设置所需的幅度和偏移量，但我的被测设备无法承受临时跳转到默认值。 我在GPIB上使用SOUR：DATA：ARB命令首先在易失性存储器中创建波形。 有没有办法指定元数据（幅度，偏移等）以及波形，以便在选择新波形时输出不会返回默认值？ 对于较旧的33522A型号而言，这不是问题，在选择新波形时，当前元数据会保留。 从手册：“在固件版本1.12及之前，当从一个任意波形切换到另一个波形时，仪器没有更新波形元数据（采样率，电压范围和滤波器设置）。新的任意波形已采用波形的元数据 因此，设计为在一个电压范围，采样率和滤波器设置（在波形的元数据中指定）中播放的任意波形被更改为另一组元数据。在固件版本1.12之后，任意波形加载存在于中的任何元数据。 任意波形文件，以便它们像以前一样播放。“ 我实际上更喜欢使用较旧的固件，除非这个问题有一个简单的解决方法。 是否有可能获得较旧版本的固件（1.12或更早版本）并在33522B型号上运行？ 在此先感谢您的帮助。 以上来自于谷歌翻译 以下为原文 Hello, When using the Agilent 33522B, I have noticed that using SOUR:FUNC:ARB {} to select a new waveform from volatile memory caues the offset and amplitude settings return to default values of 0V and 100mV. I can then set the desired amplitude and offset, but my device under test cannot withstand the temporary jump to the default values. I am using the SOUR:DATA:ARB command over GPIB to first create the waveforms in volatile memory. Is there a way to specify the metadata (amplitude, offset, etc.) along with the waveform so that the output does not return to defaults when selecting a new waveform? This was not an issue for older 33522A models, for which the current metadata was retained when selecting a new waveform. From the manual: "In firmware revisions 1.12 and before, the instrument did not update waveform metadata (sample rate, voltage range, and filter setting) when switching from one arbitrary waveform to another. The new arbitrary waveform adopted the metadata of the waveform already in memory. Therefore, an arbitrary waveform designed to play at one voltage range, sample rate, and filter setting (as specified in the waveform’s metadata) was changed to another set of metadata. After firmware revision 1.12, arbitrary waveforms load any metadata present in the arbitrary waveform file, so that they play the way they previously played." I would actually prefer using the older firmware, unless there is a simple workaround for this issue. Would it be possible to obtain an older version of the firmware (1.12 or earlier) and run it on a model 33522B? Thanks in advance for any help. 
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您好，那里的运营理念有所改变，这会导致您所看到的变化。
该论坛不会让我附带rev 1.11文件，因为它太大了。 我会尝试在明天可以访问的FTP服务器上获取它。 我会警告你转1.11是非常错误的，但如果它适用于您的应用程序很棒。 您的问题的另一个可能的解决方案，即不需要回滚固件，将使用任意波形的排序。 在按顺序切换波形时，没有不连续或偏移的变化。 如果您知道波形的播放顺序，则排序将是一个很好的解决方案。 如果您对尝试排序感兴趣，请告诉我，我可以帮助您使用波形构建序列。 以上来自于谷歌翻译 以下为原文 Hello, There was a a switch in operational philosophy there, which lead to the changes your seeing. The forum won't let me attache rev 1.11 file because it is too large. I will try and get it on an FTP server you can access tomorrow. I will warn you rev 1.11 was pretty buggy, but if it works for your application great. Another possible solution to your problem, which wouldn't require rolling back the firmware, would be to use sequencing for your arbitrary waveforms. There are no discontinuities or offset changes while switching waveforms in a sequence. Sequencing would be a good solution if you know what order your waveforms are going to be played. Let me know if you are interested in trying sequencing and I can help you build a sequence with your waveforms. |
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4864165sas 发表于 2018-12-10 18:47 嗨lhornburg，谢谢你的回复。 我实际上能够通过电子邮件从安捷伦工程师那里获得rev 1.11固件文件。 这将使我们能够像以前一样使用新的33522A装置。 我确实想知道测序是否有效。 但是，它仍然可能不太理想，因为我们经常不知道在偏置被测器件之前我们想要使用的波形的确切顺序。 我被警告不要尝试在33522B设备上安装rev 1.11，并且固件更新实用程序不允许它。 是否可以强制降级此固件，或者它是否只能在B型号上运行？ 以上来自于谷歌翻译 以下为原文 Hi lhornburg, Thanks for the reply. I was actually able to get the rev 1.11 firmware file from an Agilent engineer via email. This will allow us to proceed as before with the new 33522A units. I did wonder if sequencing might work. However, it still may not be ideal, as we frequently do not know the exact sequence of waveforms we will want to use before biasing the device under test. I was warned against trying to install rev 1.11 on 33522B units and the firmware update utility does not allow it. Would it be possible to force this firmware downgrade, or will it simply not work on the B model? |
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脑洞大赛4 发表于 2018-12-10 19:06 您好，它不适用于B型号。 如果你在B上绝对需要这个，请告诉我，我会和R＆amp; D谈谈我们的选择，但我不能保证。 以上来自于谷歌翻译 以下为原文 Hello, It will not work on the B model. If you absolutely need this on a B, let me know, and I'll talk to R&D about our options, but I can't make any guarantees. |
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