Prompt Cheatsheet
Upload a Touchstone (.sNp) file, then describe the plot you want in plain English. Here are 33 examples the plotter understands — click any one to copy it.
Magnitude (return & insertion loss)
Reflection and transmission in dB or linear magnitude.
Phase
Phase response in degrees or radians.
VSWR
Voltage standing wave ratio from a reflection coefficient.
Overlays (multiple traces)
Compare several ports on one axis (same family and metric).
Impedance (Z-parameters)
Impedance magnitude, real, or imaginary parts in ohms.
Admittance (Y-parameters)
Admittance magnitude and real/imaginary parts in siemens.
Smith charts (1-port .s1p files)
Impedance and admittance Smith charts.
Axis range, zoom & gridlines
Set limits, zoom, custom gridlines, or a log frequency axis.
TDR (impedance vs time)
Time-domain reflectometry from any port’s reflection, in ohms or as ρ.
Colors
Assign colors to specific traces.
Tips: Smith charts require a 1-port (.s1p) file. Each plot shares one y-axis, so overlays must use the same parameter family and metric (e.g. S11 + S21 magnitude). You can also refine a plot conversationally — try "now show it in dB" or "zoom to 2–3 GHz".