Specifically, the L/C MATCH, CABLE, SHUNT LC, SERIES LC and SERIES XTAL functions? Any guidelines or typical use cases would be welcome.
CABLE - this cable measure util, need calibrate nanoVNA and connect cable (there should be nothing on the other end of the cable)
NanoVNA measure cable wave impedance, length (need setup correct velocity factor) and cable lost in marker position (this just S11 logmag / 2)
wave impedance measured - search first frequency then it rotate on 180 degree, divide this frequency on 2 and measure reactance at this point.
L/C mathc calculate how convert impedance at marker position to 50 Om, suggest up to 4 solution how connect SRC SHUNT (L or C), SERIES (L or C) and LOAD SHUNT (L or C)
SHUNT LC, SERIES LC and SERIES XTAL - this improved port of this (need translate)
Also read this SERIES XTAL used for measure XTAL
i use Phase Shift Method, need only setup NanoVNA frequency range for see both resonsnce (see attachment)
And setup crystal connection R (for NanoVNA = 50Om, if used rystal Measuring Adapter as on link need set 12.5Om)
Nano Search phase shift (use interpolation, this allow get good results on low point count or on big frequency range)
