⚡ Step‑by‑Step Single Stub Matching

Adjust sliders to find stub position (d) and length (l). The green square shows the stub's input reflection coefficient. The dashed green circle is the g=1 (for parallel) or r=1 (for series) target.

Load

Stub Parameters

0.100 λ
0.125 λ

Display Options

Step‑by‑Step Instructions

  1. Plot load (blue).
  2. VSWR circle drawn (dashed orange).
  3. Move to d = 0.100 λ (red point).
  4. At that point, susceptance b = 0.00.
  5. Stub susceptance needed = 0.00.
  6. Current stub (green square) gives bstub = 0.00.

Export

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