Benches

Interactive instruments for signal processing, RF, electromagnetics and optics. Each one runs entirely in the browser — nothing to install.

FIR against IIR, DFT against FFT, ideal against real

DSP Signal chain studio

Filter and chain design end to end

Impedance, transmission lines and matching

RF Retarded field bench

Moving charges and the fields they drag behind them

EM Optics bench

Reflective surfaces and ray tracing

OPT Turbulence bench

Atmospheric scintillation over a 1 km link

Built by Matheus Ferronato. Everything here is a working instrument rather than an article — change the inputs and watch what moves.