ferronato.me / science simulators
Interactive instruments for FPGA and digital design, signal processing, quantum mechanics, 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
FPGA timing closure, static timing analysis, setup/hold, clock skew and CDC
Schrödinger evolution, Fourier pairs, energy levels, Pauli exclusion, measurement, double slit and entanglement
Transmission lines, reflections, matching, differential pairs, crosstalk and vias
FIR against IIR, DFT against FFT, ideal against real
Filter and chain design end to end
Impedance, transmission lines and matching
Moving charges, retarded effects and electromagnetic field propagation
Reflective surfaces and ray tracing
Atmospheric scintillation over a 1 km link