On 12/25/22 4:18 AM, Máximo EA1DDO_HK1H wrote:
Paul, there is a document somewhere showing S21 better (more accurate) results
to S11.
I need to look for that doc.
73,
Máximo EA1DDO
www.EA1DDO.es
There's a nice application note from Copper Mountain that looks at
uncertainty in S11 vs S21 measurements of impedance. As one might
expect it varies with the magnitude of the impedance.
https://www.mwrf.com/technologies/test-measurement/article/21849791/copper-mountain-technologies-make-accurate-impedance-measurements-using-a-vna
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