On Fri, Jul 22, 2022 at 08:59 AM, Neil Preston W0NRP wrote:
I am trying to figure out if the Nano can display the lumped impedance and
phase angle numerically without having to calculate from r + jX. I expected
to read that from the POLAR menu, but some searching reveals that is just a
coefficient from -1 to +1.
???
I assume when you say "lumped impedance and phase angle" you mean display |Z| (sqrt of [r^2+X^2]) and impedance phase angle. The NanoVNA and the two popular PC programs (NanoVNA Saver and NanoVNA app) can calculate and display |Z| but do not have an impedance phase angle display capability. The "phase" option in the trace menu is the reflection coefficient phase angle which is not the same thing as impedance phase angle.
The polar display is for the reflection coefficient not impedance.
The easiest way to calculate the impedance phase angle is to import the Touchstone S11 file into a spreadsheet and do the calculation and plotting there.
Roger
Roger Need