Nico,
You don't necessarily need more connectors.
You could calibrate at the end of your RG174 cable by detaching it from your board, then using a small 50 ohm chip capacitor, an open circuit, and a direct short as your standards. If the leads are kept very short this should work reasonably well at 900MHz.
Once re-attached to your board, ferrite cores near the antenna end of the cable would be a good idea, too.
--John Gord
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On Sun, Feb 23, 2025 at 11:32 AM, Nico wrote:
These are very interesting points, thank you very much for that.
I was questioning myself wondering if my technique was appropriate. Thanks
again for confirming it can be improved.
I will follow up on that once I could have put my hands on some connectors...
Regards,
