寻找cal kit部分

嗨卡琳，如果我错了，请纠正我。
假设您可以访问一个完整的cal-kit else器皿，我会尝试从像Keysight，Maury Microwave或Kirkby博士等信誉良好的来源购买一个新的（不同的）开放标准，测量这个新标准的长度（或者要求
spec）并使用新值更新旧的cal-kit定义，然后验证它。
如果您联系Maury Microwave，他们甚至可能愿意以合理的价格为您打开销钉。
我认为这样可以正常工作。
开放或短期并不难。
负载更重要。
我最近在Keysight的工作中买了一个旧的N-kit的开口针，以及软碎的碎片，它正在瓦解并污染了宝贵的标准。
开口针的价格为278欧元，原来可怕的塑料管很难打开。
在ebay，我还发现一个新的开口针（N女）在中国制造，价格为40美元（不保证也没有退货;-)



以下为原文

Hi Karin,

Please correct me if I'm wrong.
Assuming you have access to a full cal-kit else ware, I would try to buy a new (different) open standard from a reputable source like Keysight, Maury Microwave or Dr Kirkby, measure the length of this new standard (or ask for the spec) and update the old cal-kit definitions with the new values and then verify it.
If you contact Maury Microwave they may even be willing to make the open pin for you at a reasonable cost.
I think this would work just fine. The open or short is not that difficult to make. It's more critical with the load.
I recently bought the open pin for an old N-kit at work from Keysight together with the soft padding that was disintegrating and polluting the precious standards. The price for the open pin was 278 euro and came in the original dreadful plastic tube that is so difficult to open.
At ebay I also found one new open pin (N female) made in China for the price of $40 (no guarantee and no return ;-)

嗨博：我应该早点发布这个。
实际上我最终为自己做了一个。
事实证明，我购买的85033C校准套件确实有女性打开的塑料部件，但最后缺少金属针。
我手边还有一个85033D套件的开放，短路和负载，我输入了USER KIT。
我使用USER KIT标准校准VNA，然后从我手边的旧SMA连接器周围寻找一个母中心针。
然后测量中心引脚的长度并明智地沿中心引脚长度向下移动以获得所需的OFFSET LENGTH。
最后的调整是使用研磨石来获得OFFSET LENGTH。
由于我只使用这个校准套件和分析仪到3 GHz，我相信它已经足够了。
我想在VNA中使用3.5mm的“存储”校准套件值，而不是必须定义新的USER KIT。
我已经拥有了8753C固件中定义的所有其他校准套件，所以只是想兼容。
再次感谢您的建议。
卡琳



以下为原文

Hi Bo:
I should have posted earlier about this. I actually did wind up making one for myself.
It turns out the 85033C cal kit that I purchased did have the plastic part for the female
open but was missing the metal pin at the end. I also had on hand an open, short and
load from an 85033D kit that I entered into the USER KIT. I calibrated the VNA using the
USER KIT standards, then scrounged around for a female center pin from an old SMA
connector I had on hand. Then measured the length of the center pin and judiciously
filed down the center pin length to get the required OFFSET LENGTH. Final adjustment
was using a lapping stone to get the OFFSET LENGTH right on. Since I'm only using this
cal kit and analyzer to 3 GHz I believe it be good enough. I wanted to use the "stored"
cal kit values for 3.5mm in the VNA rather than have to define a new USER KIT. I've got
all the other cal kits that are defined in the firmware for the 8753C so just wanted to be
compatible. Thanks again for suggestions.

Karin