On Sun, Feb 7, 2021 at 04:55 PM, AG6CX wrote:
Do you have in your stash a piece on conversion of dB attenuation to Zs= Rs +
Xs ?
Ed, if you have S21 in terms of magnitude and phase, calculation of the series impedance of the device being measured is straight forward:
Zdut = Zo*((2/S21) - 2), where Zo = 50 ohms for a 50-ohm VNC.
- Jeff, k6jca
