https://www.abcdatos.com/tutoriales/tutorial/l2538.html Simulación de Circuitos Electrónicos con MicroSim Eval 8.0 (año 2001)
https://www.staticfreesoft.com
The Electric VLSI Design System is a highly flexible and powerful system that can handle
many different types of circuit design (MOS, Bipolar, schematics, printed circuitry,
hardware description languages, etc.)
It handles geometry at any angle (not just Manhattan) and can even handle curves.
ARTÍCULO
NOTA: Convertir ficheros pdf a imagenes con pdftoppm
#En sistemas Debian, Ubuntu, Linux Mint y similares
sudo apt install poppler-utils
pdftoppm -(formato_imagen) (fichero_pdf) (nombre_imagen)