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想检查是否可以直接替换Keysight的HP8508a矢量电压表?
因为我需要测量具有频率转换的2个模块之间的相位跟踪。 我知道我可以使用PNA这样做,但校准太繁琐了。 以上来自于谷歌翻译 以下为原文 Like to check is there a direct replacement from Keysight for HP8508a Vector Voltmeter? As i need to measure phase tracking between 2 module which has frequency conversion. I understand that i can use a PNA to do so but the calibration is too tedious. |
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6个回答
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Dude:用VVM选项查看fieldfox!
http://www.keysight.com/en/pd-1760161-pn-N9923A/fieldfox-handheld-rf-vector-network-analyzer-4-6-ghz我不能相信Afsi还没有回复! 至于PNA:新的DIQ应用程序允许非常简单的校准和双通道下变频测量,包括相位跟踪与RF频率,LO频率,功率等。应用类别是选项089。 以上来自于谷歌翻译 以下为原文 Dude: check out the fieldfox with VVM option! http://www.keysight.com/en/pd-1760161-pn-N9923A/fieldfox-handheld-rf-vector-network-analyzer-4-6-ghz I can't belive Afsi didn't respond yet! As for the PNA: new DIQ app allows very simple calibraiton and measurement of dual channel down converts including phase tracking vs RF freq, LO freq, power etc. App class is option 089. |
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脑洞大赛9 发表于 2018-10-29 20:29 嗨Dr_joel,对于Fieldfox N9923A,我可以将我的DUT的2个输出端口插入到fieldfox的端口1和端口2,并显示我的2 DUT之间的相位和幅度不同吗? 有没有关于如何测量2通道之间相位跟踪的图表? 以上来自于谷歌翻译 以下为原文 Hi Dr_joel , For Fieldfox N9923A, i can just insert the 2 output ports from my DUTs to Port 1 and Port 2 of fieldfox and will display the phase and amplitude different between my 2 DUT? is there any diagram on how to measure phase tracking between 2 channel? |
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ZONEK 发表于 2018-10-29 20:43 好的,我在这里。 :-)是的,FieldFox系列(N9923A或N9913 / 4/5 ......)产品具有VVM选项。 用户指南的http://www.keysight.com/en/pd-2424264-pn-N9914A/vector-voltmeter?nid=-33903.1090993&cc=US&lc=eng Page 165使用FieldFox讨论A / B测量 。 http://literature.cdn.keysight.com/litweb/pdf/N9927-90001.pdf在进行测量之前,您需要执行归零操作。 我回到了历史,我相信我们已经用N9923A讨论了A / B测量。 你还有N9923A吗? 你有没有让分光器测量工作? ENA系列还提供VVM测量功能。 此致,Afsi Moaveni编辑:am95405于2014年11月21日上午10:03 以上来自于谷歌翻译 以下为原文 Ok, here I am. :-) Yes, the FieldFox family (N9923A, or N9913/4/5...) products have a VVM option. http://www.keysight.com/en/pd-2424264-pn-N9914A/vector-voltmeter?nid=-33903.1090993&cc=US&lc=eng Page 165 of the User's Guide discusses A/B measurements with FieldFox. http://literature.cdn.keysight.com/litweb/pdf/N9927-90001.pdf You do need to perform zeroing before making your measurement. I went back to the history and I believe we've discussed A/B measurements with N9923A. Do you still have the N9923A? Did you ever get the splitter measurement working? ENA family also offers VVM measurement capabilities. Regards, Afsi Moaveni Edited by: am95405 on Nov 21, 2014 10:03 AM |
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dsgdadsad 发表于 2018-10-29 20:53 嗨Afsi,是的,我能够让分离器测量工作。实际上我想测量不同于2个不同DUT的相位(具有频率下变频)。 通过简单地将2个DUT输入连接到SG的分离器输出,并将2个DUT输出连接到HP8508a的2个端口,我可以使用HP8508a这样做。 我将能够通过频率扫描并获得不同的相位和幅度。 如果我想要高于测量值,那么推荐使用的设备是什么? 如果我没错,对于N9923a A / B模式,端口1连接到1个DUT输入,端口2连接到DUT输出。 如果具有频率转换的DUT将无法测量? 以上来自于谷歌翻译 以下为原文 Hi Afsi, Yes i am able tot get the splitter measurement working.. Actually i want to measure the phase different from 2 different DUTs (with frequency downconversion). Which i can do so using HP8508a by simply connect the 2 DUTs input to splitter outputs from SG and connect the 2 DUTs output to the 2 Port of HP8508a. and i will be able to sweep thru the frequencies and get the phase and amplitude different. If i want to to e above measurement what will be the recommeneded equipments to use?? If i am not wrong, for N9923a A/B mode Port 1 is connect to 1 DUT input and port 2 is connected to DUT output. If the DUT having Frequency conversion will not be able to measured? |
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ZONEK 发表于 2018-10-29 21:03 在A / B模式中,A和B的频率相同。 D的频率转换 以上来自于谷歌翻译 以下为原文 In A/B mode, the frequency of A and B is the same. Frequency conversion of the D |
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30年前,当我还是本科生时,我的最后一年项目使用了HP矢量电压表。
我忘记了模型,但它有两个高阻抗探头。 我怀疑PNA可以做类似的高阻抗探头。 FieldFox上的矢量电压表功能完全不同。 FieldFox对“矢量电压表”的定义与旧HP套件的定义略有不同。 我建议您确切地检查矢量电压表Dave的含义。 以上来自于谷歌翻译 以下为原文 3 decades ago when I was an undergraduate, my final year project used an HP vector voltmeter. I forget the model, but it had two high impedance probes. I suspect a PNA could do similar witjh high impedance probes. The vector voltmeter function on the FieldFox is quite different. The FieldFox definition of "vector voltmeter" is a bit different from that of old HP kit. I suggest that you check exactly what is meant by vector voltmeter Dave. |
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