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1
Transfer Function Primer
H(s), poles & zeros — RC low-pass from ideal cap to ESR zero.
Live -
2
Pole/Zero Primer
Toggle poles and zeros — live Bode with asymptotic slopes.
Live -
3
Why Close the Loop
Load window · open-loop droop vs feedback that holds Vout.
Live -
4
Loop Gain T = P·C·F
Break the loop — T is the product we measure and shape.
Live -
5
Phase Margin, Loop Bandwidth & Step Response
PM and fc on the Bode of T; the step shows what that margin buys.
Live -
6
Compensate the Plant
One-pole plant, F = 1. Tune C so T hits a target fc and PM.
Live -
7
Type II Compensator
Integrator, zero, high pole — live Bode as you tune the network.
Live -
8
Feedback Network Analyzer
Plant, Type II, and F — including frozen C, Cff, and Cfilt.
Live -
9
Open vs Closed Loop
Low-entropy T(s); close the loop and zeros stay, poles move.
Live -
10
Root Locus Tool
Interactive root locus, Bode, step, and impulse.
Live
Planned
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—
Poles walk with K
Root-locus walk page — not shipped until the preview is picked.
Planned
Later / out of v1
PID Pole-Zero Bridge (files stay, hidden from this list); Evans geometry; Type III; crossover from spec; applied regulator Track B.