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Kirkby calibration kit alternatives?

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rfspezi:
I'm in search for an affordable VNA calibration kit (6 GHz, SMA female) for my 8753E.
The Kirkbymicrowave kit seems to be a good choice - however price has risen from 380 to over 600 USD recently?  :o

That's why i hope somebody can recommend an alternative.

Mechatrommer:
you are not paying the device or the material. you are paying the calibration data and service support. without it, you better off with DIY kit. which i had and compared with Kirkby Cal Kit. i'm not aware of cheaper option that can provide custom calibration data just as Kirkby did, sorry. as he put it himself, it means like... "you may believe whatever you want to believe". so its either Kirkby or DIY, imho. ymmv.

Safar:
Some sellers from China on ebay sell kits with PNA trademark.

They wrote in description:
"Accurate electrical models are needed of the opens and short circuits. A number of eBay sellers sell low-cost calibration kits, but these are effectively useless, as they don't have the mathematical models of the opens and shorts necessary to load the constants into a VNA, and we doubt they have optimal phase difference between open and short. This kit is different, in that it is designed, rather than just assembled. With this calibration kit, there is a support page with information on what coefficients to use for Agilent/HP,R/S,ADVANTEST,ANRITSU...".

Price is just 218 USD for SMA kit and looks good generally BUT I'm don't know quality and have no any information about this kits and where to get this calibration data.

I suppose that would be clever to ask him first for characterization equipment and what data they provide for each kit and look for some info if it possible.

Pitrsek:
SDR kits is offering one
https://www.sdr-kits.net/index.php?route=product/product&path=66_68_69&product_id=50
Depending on your frequency range, transmission line based calibration might be a viable option.

hendorog:

--- Quote from: Safar on February 18, 2018, 02:31:08 pm ---Some sellers from China on ebay sell kits with PNA trademark.

They wrote in description:
"Accurate electrical models are needed of the opens and short circuits. A number of eBay sellers sell low-cost calibration kits, but these are effectively useless, as they don't have the mathematical models of the opens and shorts necessary to load the constants into a VNA, and we doubt they have optimal phase difference between open and short. This kit is different, in that it is designed, rather than just assembled. With this calibration kit, there is a support page with information on what coefficients to use for Agilent/HP,R/S,ADVANTEST,ANRITSU...".

Price is just 218 USD for SMA kit and looks good generally BUT I'm don't know quality and have no any information about this kits and where to get this calibration data.

I suppose that would be clever to ask him first for characterization equipment and what data they provide for each kit and look for some info if it possible.

--- End quote ---

Judging by the pictures of the VNA they show in the auction, these are complete rubbish.

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