S-Parameter Plotter
Plots S-parameters from Touchstone files (.s1p–.s4p). Supports magnitude, phase, real/imaginary, and dB formats. Automatically detects file format (MA, DB, RI). Useful for visualising VNA measurement data.
Equations & Parameters ▸
| .s1p | 1-port network: S11 only. |
| .s2p | 2-port: S11, S21, S12, S22. Most common for amplifiers and filters. |
| .s3p/.s4p | 3 and 4-port networks (e.g. directional couplers, power dividers). |
| Format | MA = magnitude/angle, DB = dB/angle, RI = real/imaginary. Auto-detected. |
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