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Re: Poor Quality 50 Ohm Load - Where to get accurate ones?


 

On Thu, Aug 13, 2020 at 05:52 PM, Glen Jenkins WB4KTF wrote:


The 50 OHM load (SMA-Male) that came with my nanoVNA-H4 measures 51.13+ ohms.
Not a good start for calibration. Where is a good source for GOOD loads that
are accurate?
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Glen Jenkins, WB4KTF, Austin, TX
I am really surprised your 50 ohm load is that far off. Is it quite short and stainless steel finish (the other two are brass) Mine is quite close to 50 ohms.

I made my own SOL Kit from PCB board mount female SMA connectors. Work well at the ends of the cables.

Roger

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