Benches

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

Analog front end, anti-aliasing, sampling, reconstruction, aliasing and oscilloscope models

Cycle-accurate APB, AHB, AXI, Avalon, Wishbone, I²C and SPI timing diagrams

BUS High speed PCB studio

Transmission lines, reflections, matching, differential pairs, crosstalk and vias

SI Filter bench

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 EM field bench

Moving charges, retarded effects and electromagnetic field propagation

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.