> {quote:title = MADENGR写道:} {quote}>哈哈,我们和水星有类似的经历。
我小时候还有1磅的瓶子,记得在学校课桌上的铅笔槽里滚动。
水星肯定是有趣的东西。
作为一个孩子,我不知道它有什么风险。
我知道那些在工作中使用它的人(帽子制造商)确实遭受了长期影响 - 因此这个术语“像帽子一样疯狂”,但也许偶尔的混乱不会把我们所有人带到早期的坟墓。
我的老化学老师曾经是一名工业化学家。
他显然有汞中毒。
显然,他们过去常常用指甲切割来看到它们中的汞。
我不记得他说他对他的影响是什么。
>我把你的S2P文件修复成一个S1P文件。
由于您使用的是#MHz S DB R 50接头,因此您应该使用-99作为虚拟幅度而不是0,否则电路仿真器将会发生故障。
谢谢。
我编写了程序来自己生成.s2p。
它是一个在Sun工作站上运行的C代码。
我会在某个时候修改代码并在未使用的数量上坚持-99。
>然后,我从另一个线程中提到的Wong博士的论文中应用了SMA-3.5mm参考平面不连续模型(分流器C)。
我会读一读那篇论文。
>在接近6 GHz之前,不连续模型没有太大差异(1度)。
我能够通过在参考平面上去除0.3 pH值来将相位响应拉到+/- 1度,这将表明中心引脚缩回,但是0.3 nH似乎太过分了本文中列出的挫折是10
mils(0.254 mm),使用我的经验法则为0.18 nH的键合线,但同样,它是同轴电缆所以不应该那么多。
将电感移动到延迟的另一侧,将其从短标准中去嵌入,并没有给出好的结果。
我使用的短片很差。
我有一些短裤,其中一些有女性的4个插槽,部分,而我展示的结果只有两个插槽。
我以前从未见过任何糟糕的事情。
我写这篇文章的时候我不知道这个。
有了更好的空头,结果不那么古怪,不是先旋转一次,然后另一个围绕史密斯圆图。
戴夫
以上来自于谷歌翻译
以下为原文
> {quote:title=MADENGR wrote:}{quote}
> Ha ha, we had similar experiences with Mercury. I still have the 1 pound bottle I had when I was kid, and remember rolling it in the pencil troughs on the school desks.
Mercury sure is funny stuff. I don't know the risks with messing around with it as a kid. I know people who use it in their job (hat makers), did suffer the long-term effects - hence the term as "mad as a hatter", but perhaps the occasional messing around wont send us all to an early grave.
My old chemistry teacher used to be an industrial chemist. He apparently got mercury poisoning. Apparently they used to take finger nail cuttings to see the mercury in them. I can't recall him saying what the effects on him was.
> I took your S2P file and repaired it into an S1P file. Since you are using # MHz S DB R 50 header you should use -99 for the dummy magnitudes instead of 0, otherwise the circuit simulators will freak out.
Thank you. I wrote the program to generate the .s2p myself. It is a bit of C code which runs on a Sun workstation. I'll modify the code at some point and stick -99 in the unused magnitudes.
> I then applied the SMA-3.5mm reference plane discontinuity model (shunt C) from the paper Dr. Wong mentioned in the other thread.
I'll take a read of that paper.
> The discontinuity model does not make much difference (1 degree) until you approach 6 GHz. I was able to pull the phase response into +/-1 degree by de-embedding 0.3 pH at the reference plane, which would indicate center pin set-back, but 0.3 nH seems like way too much The setback listed in the paper is 10 mils (0.254 mm), which is 0.18 nH using my rule of thumb for a bond wire, but again, it's in coax so it should not be that much. Moving the inductance to the other side of the delay, to de-embed it from the short standard, does not give as nice results.
The short I used was quite poor. I had a number of shorts, some of which have 4 slots in the female, part, and the one I showed the results for has just two slots. I've never seen anything as bad before. I did not know this at the time I wrote that post. With a better short, the results were less bizzare, not rotating first once way, then the other around the Smith Chart.
Dave
> {quote:title = MADENGR写道:} {quote}>哈哈,我们和水星有类似的经历。
我小时候还有1磅的瓶子,记得在学校课桌上的铅笔槽里滚动。
水星肯定是有趣的东西。
作为一个孩子,我不知道它有什么风险。
我知道那些在工作中使用它的人(帽子制造商)确实遭受了长期影响 - 因此这个术语“像帽子一样疯狂”,但也许偶尔的混乱不会把我们所有人带到早期的坟墓。
我的老化学老师曾经是一名工业化学家。
他显然有汞中毒。
显然,他们过去常常用指甲切割来看到它们中的汞。
我不记得他说他对他的影响是什么。
>我把你的S2P文件修复成一个S1P文件。
由于您使用的是#MHz S DB R 50接头,因此您应该使用-99作为虚拟幅度而不是0,否则电路仿真器将会发生故障。
谢谢。
我编写了程序来自己生成.s2p。
它是一个在Sun工作站上运行的C代码。
我会在某个时候修改代码并在未使用的数量上坚持-99。
>然后,我从另一个线程中提到的Wong博士的论文中应用了SMA-3.5mm参考平面不连续模型(分流器C)。
我会读一读那篇论文。
>在接近6 GHz之前,不连续模型没有太大差异(1度)。
我能够通过在参考平面上去除0.3 pH值来将相位响应拉到+/- 1度,这将表明中心引脚缩回,但是0.3 nH似乎太过分了本文中列出的挫折是10
mils(0.254 mm),使用我的经验法则为0.18 nH的键合线,但同样,它是同轴电缆所以不应该那么多。
将电感移动到延迟的另一侧,将其从短标准中去嵌入,并没有给出好的结果。
我使用的短片很差。
我有一些短裤,其中一些有女性的4个插槽,部分,而我展示的结果只有两个插槽。
我以前从未见过任何糟糕的事情。
我写这篇文章的时候我不知道这个。
有了更好的空头,结果不那么古怪,不是先旋转一次,然后另一个围绕史密斯圆图。
戴夫
以上来自于谷歌翻译
以下为原文
> {quote:title=MADENGR wrote:}{quote}
> Ha ha, we had similar experiences with Mercury. I still have the 1 pound bottle I had when I was kid, and remember rolling it in the pencil troughs on the school desks.
Mercury sure is funny stuff. I don't know the risks with messing around with it as a kid. I know people who use it in their job (hat makers), did suffer the long-term effects - hence the term as "mad as a hatter", but perhaps the occasional messing around wont send us all to an early grave.
My old chemistry teacher used to be an industrial chemist. He apparently got mercury poisoning. Apparently they used to take finger nail cuttings to see the mercury in them. I can't recall him saying what the effects on him was.
> I took your S2P file and repaired it into an S1P file. Since you are using # MHz S DB R 50 header you should use -99 for the dummy magnitudes instead of 0, otherwise the circuit simulators will freak out.
Thank you. I wrote the program to generate the .s2p myself. It is a bit of C code which runs on a Sun workstation. I'll modify the code at some point and stick -99 in the unused magnitudes.
> I then applied the SMA-3.5mm reference plane discontinuity model (shunt C) from the paper Dr. Wong mentioned in the other thread.
I'll take a read of that paper.
> The discontinuity model does not make much difference (1 degree) until you approach 6 GHz. I was able to pull the phase response into +/-1 degree by de-embedding 0.3 pH at the reference plane, which would indicate center pin set-back, but 0.3 nH seems like way too much The setback listed in the paper is 10 mils (0.254 mm), which is 0.18 nH using my rule of thumb for a bond wire, but again, it's in coax so it should not be that much. Moving the inductance to the other side of the delay, to de-embed it from the short standard, does not give as nice results.
The short I used was quite poor. I had a number of shorts, some of which have 4 slots in the female, part, and the one I showed the results for has just two slots. I've never seen anything as bad before. I did not know this at the time I wrote that post. With a better short, the results were less bizzare, not rotating first once way, then the other around the Smith Chart.
Dave
举报