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嗨，我需要为我们的8753D配备一个3.5mm校准套件，我在犹豫是否应该购买新的（或使用过的）85033E（VNA不支持 - 需要手动添加cal coeffs）或尝试
从一些着名的二手经销商处找到二手85033D。 使用一年保修和有效的Keysight cal的二手85033D花多少钱？ 还是值得去85033E？ 我在某处看到D和E使用相同的cal系数，这是否意味着我可以使用85033E套件使用我们的VNA中预先定义的85033D校准套件进行校准？ 以上来自于谷歌翻译 以下为原文 Hi, I am in the need for a 3.5mm cal kit for our 8753D and I am hesitating whether I should get a new (or used) 85033E (which is not supported in the VNA - need cal coeffs to be added manually) or try to find a used 85033D from some reputed second hand dealer. How much would be wise to spend on a used 85033D with one year warranty and valid Keysight cal? Or is it worth going for the 85033E? I read somewhere that the D and E uses the same cal coeffs, does that mean that I could calibrate using a 85033E kit using the pre-defined 85033D cal set already in our VNA? 
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> {quote：title = peol1写道：} {quote}>嗨，>>我需要为我们的8753D配备一个3.5mm校准套件，我在犹豫是否应该买一个新的（或用过的）85033E（这是
VNA不支持 - 需要手动添加cal coeffs）或尝试从一些知名的二手经销商那里找到一个二手的85033D。 使用一年保修和有效的Keysight cal的二手85033D花多少钱？ 还是值得去85033E？ 我在某处看到D和E使用相同的cal系数，这是否意味着我可以使用85033E套件使用我们的VNA中预先定义的85033D校准套件进行校准？ 购买二手校准套件，特别是3.5毫米，是一件很棒的事情！ 我认为您不会找到具有一年保修和Keysight校准的85033D。 获得校准套件的成本非常高，在低端套件上不值得。 我认为我的85052B和85054B的成本是我的VNA校准的3倍。 你可能会发现一个带有保修的校准套件和来自$ random_lab的校准证书，这不值得写上它的论文。 85033D和E非常相似。 我认为E具有定义的短路的电感，但不是D，但是无论如何你都无法将它们输入到8753中，并且它们非常微不足道。 我会自己去找85033E。 如果不出意外，它们更新，所以不太可能被搞砸。 请给我发一封私人电子邮件给drkirkby@kirkbymicrowave.co.uk我可能会对您感兴趣。 DaveEdited：drkirkby于2014年9月17日上午11:30 以上来自于谷歌翻译 以下为原文 > {quote:title=peol1 wrote:}{quote} > Hi, > > I am in the need for a 3.5mm cal kit for our 8753D and I am hesitating whether I should get a new (or used) 85033E (which is not supported in the VNA - need cal coeffs to be added manually) or try to find a used 85033D from some reputed second hand dealer. How much would be wise to spend on a used 85033D with one year warranty and valid Keysight cal? Or is it worth going for the 85033E? I read somewhere that the D and E uses the same cal coeffs, does that mean that I could calibrate using a 85033E kit using the pre-defined 85033D cal set already in our VNA? Buying used cal kits, especially 3.5 mm, is a hit and miss affair! I don't think you will find an 85033D with a one year warranty and Keysight calibration. The cost of getting cal kits calibrated is very high, and not worthwhile on low end kits. I think my 85052B and 85054B cost about 3x as much to get calibrated as my VNA. You might find a cal kit with a warranty and a cal certificate from $random_lab, which is not worth the paper it is written on. The 85033D and E are very similar. I think the E has the inductance of the shorts defined, but not the D, but you wont be able to enter them into the 8753 anyway, and they are pretty insignificant. I would go for an 85033E myself. If nothing else, they are newer, so less likely to be screwed up. Drop me a private email to drkirkby@kirkbymicrowave.co.uk I might have something of interest to you. Dave Edited by: drkirkby on Sep 17, 2014 11:30 AM |
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您可以从此处下载85033E校准套件文件。
http://na.support.keysight.com/pna/caldefs/stddefs.html?dl=1将其保存到软盘并将其加载到8753D中。 以上来自于谷歌翻译 以下为原文 You can download the 85033E cal kit file from here. http://na.support.keysight.com/pna/caldefs/stddefs.html?dl=1 Save it to a floppy and load it in your 8753D. |
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ydfywerfs 发表于 2018-10-24 08:14 > {quote：title = Biguglydude写道：} {quote}>你可以从这里下载85033E校准套件文件。 http://na.support.keysight.com/pna/caldefs/stddefs.html?dl=1>将其保存到软盘并将其加载到8753D中。 8753数据在这里http://na.support.keysight.com/pna/caldefs/87xx/D5335E.htm但我很确定它与D相同，只是E有电感系数L0，L1， L2和L3，8753无法使用。 电感值可以在PNA数据http://na.support.keysight.com/pna/caldefs/PNA/85033DE.htm上看到，但请注意该页面上有一些舍入，因此某些值不是太大 准确。 戴夫 以上来自于谷歌翻译 以下为原文 > {quote:title=Biguglydude wrote:}{quote} > You can download the 85033E cal kit file from here. http://na.support.keysight.com/pna/caldefs/stddefs.html?dl=1 > Save it to a floppy and load it in your 8753D. The 8753 data is here http://na.support.keysight.com/pna/caldefs/87xx/D5335E.htm But I am pretty sure it is the same as the D, except the E has the inductance coefficients L0, L1, L2 and L3, which the 8753 can't use. The inductance values can be seen on the PNA data http://na.support.keysight.com/pna/caldefs/PNA/85033DE.htm but note that there is some rounding on that page, so some of the values are not too accurate. Dave |
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我在报价中说：保修一年，包括按键校准。
所以我猜它已被检查过...... 以上来自于谷歌翻译 以下为原文 In the quote I got it says: one year warranty, keysight calibration included. So I guess it has been checked... |
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> {quote：title = peol1写道：} {quote}>在报价中我得到的说明：保修一年，包括按键校准。 所以我猜它已被检查......由于Keysight不到两个月前成型，并且85033D的校准成本超过800美元，我发现经销商不太可能支付Keysight来校准过时的85033D。 在*购买之前，我会要求查看*所有*校验证书*页面的扫描。 它更有可能拥有过期的证书或第三方实验室之一。 我希望各个标准的S / N都在校准证书上，否则您不知道您获得的标准是否与校准期间验证的标准相同。 我买了两个85033E，并且非常清楚85033D和85033E在eBay上的功能。 我不认为让经销商花时间让Keysight校准这样的套件是值得的。 当然它会获得更多的钱，但还不足以让它变得经济。 他们更有可能支付一个实验室来放置一个sitcker，并发出一些无用的纸张。 阅读此论坛帖子这个校准证书是一个笑话，无效还是有效？ 以及Ken Wong的评论，他是安捷伦校准套件专家之一。 如果你看一下研究论文，你会发现Ken发表了大量的校准，所以他知道他的东西。 我认为“Caveat emptor”这个词比大多数东西更适用于cal kit。 戴夫。 以上来自于谷歌翻译 以下为原文 > {quote:title=peol1 wrote:}{quote} > In the quote I got it says: one year warranty, keysight calibration included. So I guess it has been checked... With Keysight formed less than two months ago, and the calibration cost over $800 on an 85033D, I find it a bit unlikely that a dealer would have paid Keysight to calibrate an obsolete 85033D. I would ask to see a scan of *all* the pages of the the cal certificate *before* buying. It is far more likely to have an expired certificate or one of a third party lab. I'd hope the S/N of the individual standards are on the cal certificate, otherwise you have no idea if the standards you get are the same as verified during a calibration. I have bought two 85033E's, and have a pretty good idea what 85033D's and 85033E's fetch on eBay. I don't think it is worth the while of a dealer to spend out to get such a kit calibrated by Keysight. Sure it will fetch more money, but not enough to make it economic. They are far more likely to pay a lab to put a sitcker on it, and issue a useless bit of paper. Take a read of this forum post Is this certificate of calibration a joke, incompetant, or valid? and the comments from Ken Wong, who is one of Agilent's experts on cal kits. If you look through reserach papers, you will find Ken has published a lot of calibration, so he knows his stuff. I think the expression "Caveat emptor" applies to cal kits more than most things. Dave. |
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顺便说一句，我不认为85033D有扭矩扳手，但85033E确实如此。
您可能会考虑购买85052B - 虽然价格更贵，但您可以使用量具，因此至少可以粗略检查标准的状况，以及与它们交配的任何内容。 我认为量具是我的85052B校准套件中最常用的钻头！ 戴夫 以上来自于谷歌翻译 以下为原文 BTW, I don't think the 85033D has a torque wrench, but the 85033E does. You might consider getting an 85052B - although more expensive, you have the gages so can at least do a rough check of the condition of the standards, and anything you mate to them. I think the gages are the most used bits in my 85052B cal kit! Dave |
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您也可以从http://www.vnahelp.com/products.html下载VNA Cal Manager.Keysight（安捷伦）现在控制网站。
这是PC的“好老程序”之一。 我让它在Windows 7 PC上运行并与我的8720ES交谈。 所有标准的Agilent Cal Kits都具有自己的生成能力。 如果您使用，请留在优质公司（ElectroRent，MicroLease等）。 Mike Virostko IDT 以上来自于谷歌翻译 以下为原文 You can also download VNA Cal Manager from http://www.vnahelp.com/products.html Keysight (Agilent) controls the website now. This is one of those "Good Old Programs" for the PC. I have it running on a Windows 7 PC and talking to my 8720ES. All the standard Agilent Cal Kits are in there along with the ability to generator your own. If you go used, stay with a quality company (ElectroRent, MicroLease etc). Mike Virostko IDT |
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我今天得到了一个新的85033E的报价，有趣的是价格实际上与我用过的85033E的报价大致相同。
这有点奇怪吗？ 好吧，差异可能是交货时间，但无论如何...... 以上来自于谷歌翻译 以下为原文 I got a quote for a new 85033E today, and the funny thing is that the price is actually more or less the same as the quote I got for a used 85033E. Isn't that a bit weird? Ok, the difference is probably delivery time, but anyway... |
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