INSTRUMENTS / THREE

Tools

Small instruments I use myself. Everything runs in the browser; nothing is uploaded.

TIME
Pomodoro
Focus / short break / long break cycles, saved locally so a refresh changes nothing.
RF
Smith chart
Convert between impedance, admittance and reflection coefficient by dragging.
DSP
IIR / FIR filter design
Window method and bilinear transform, with live magnitude, phase and pole-zero plots.