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  1. HP-Agilent-Keysight-Equipment
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HP8510C CalKit file .CK_ format

 

Hi there,
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I'm trying to generate the calkit file CK_ programmatically instead of punching them in various GUI based CalKit manager.
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Basically, I'm doing my homemade open and slot standards and characterize them to use as poor man's Calkit for non-critical measurement to reduce the wear and tear on my expensive Cal Kit.
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Manually entering the polynomials and class assignments in the VNA CalKit manager is very slow and painful. I'm trying to generate it a C program so that I can send it to my 8510 either by GPIB or floppy disk but I can't find the format of the 8510 CK_ file.
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Does anyone know?
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Regards,
Calvin
 

Hi Calvin,

Here is what I use for my HP8753D and 8720C,
Basically I'm using GPIB to define a new calkit on the unit, then I download and save the binary blob as is. That binary blob can later be uploaded as is. It ought to be fairly easy to convert this to C.

Br
Marcus

On Sun, Mar 2, 2025 at 11:58?PM Calvin Guan via <guancalvin=[email protected]> wrote:
Hi there,
?
I'm trying to generate the calkit file CK_ programmatically instead of punching them in various GUI based CalKit manager.
?
Basically, I'm doing my homemade open and slot standards and characterize them to use as poor man's Calkit for non-critical measurement to reduce the wear and tear on my expensive Cal Kit.
?
Manually entering the polynomials and class assignments in the VNA CalKit manager is very slow and painful. I'm trying to generate it a C program so that I can send it to my 8510 either by GPIB or floppy disk but I can't find the format of the 8510 CK_ file.
?
Does anyone know?
?
Regards,
Calvin
 

Hi Marcus,
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Thank you for your idea! I followed your idea of sending commands to 8510c let it generate a binary file.
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I ended up writing a very small and primitive XML parser that's good enough to understand the Keysight .xkt file, generates GPIB commands and convert some of the newer Keysight parameters so that the 8510C will take.
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Thank you again.
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Regards,
Calvin
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