Saturday May 10 2025

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Brandon's Semiconductor Simulator

Brandon's Semiconductor Simulator | Hacker Times

Semiconductor simulator

Brandon's Semiconductor Simulator

Draw your own circuits. Turn on voltage and see what happens. Some features of my program include:

Interactive circuit drawing
Visualization of electromagnetic fields
Many materials (metals, semiconductors, dielectrics, and more)

Image 1: Simulator Run Simulator

You need a good computer to run this simulation on your browser. There is also a downloadable version that's much faster (but requires Java).

Want to know more? You can read about it here.

(c) Brandon Li, 2025. Ported to Javascript with the help of Paul Falstad.

Simulation Examples

Simple Circuits

Image 2: Basic circuit Circuit

Image 3: Resistor Resistor

Image 4: RC Circuit RC Circuit

Image 5: Electric Dipole Electric Dipole

Image 6: Ohm's Law Ohm's Law

Image 7: LC Circuit LC Circuit

Image 8: Maze Maze

Image 9: Galvani Potential Galvani Potential

Image 10: Bridge Rectifier Bridge Rectifier

Semiconductor Devices

Image 11: PN Junction Diode PN Junction Diode

Image 12: NPN BJT BJT (NPN)

Image 13: PNP BJT BJT (PNP)

Image 14: N-MOSFET Enhancement N-MOSFET (Enh.)

Image 15: N-MOSFET Depletion N-MOSFET (Dep.)

Image 16: N-JFET N-JFET

Image 17: Schottky Diode Schottky Diode

Image 18: Thermoelectric cooler Thermoelectric Cooler

Image 19: LED Light-Emitting Diode

Digital Logic

Image 20: Ring Oscillator Ring Oscillator (very slow)

Image 21: DRAM Cell DRAM Cell