Engineering Tools & Calculators
A curated collection of high-quality engineering calculators, simulators, datasheet portals and design resources. Everything here is hand-picked for real PCB work, SMPS design, analog tuning, RF layout and prototyping. Some tools below contain affiliate links – using them supports SchematicsHub.
⚡ Power Electronics & SMPS
- TI WEBENCH Power Designer – SMPS design, magnetics, thermal simulation.
- Analog Devices Tools – LTpowerCAD, Noise tools, Loop design.
- PowerEsim – online SMPS simulator + BOM cost estimator.
- SMPS.US Calculators – ripple, inductors, flyback parameters.
📡 RF, High-Frequency & Antennas
- AllAboutCircuits RF tools – impedance, LC match, coax calculators.
- Keysight ADS (info) – gold standard for RF simulation.
- CBBE Balun/Filter tools – very useful for HF designs.
📐 PCB Design & Layout
- Altium Interactive BOM – best BOM viewer.
- KiCad Tools – open-source PCB helpers.
- PCBWay Projects – examples + your affiliate link.
📊 Component Search & Datasheets
- Octopart – global parametric search.
- DigiKey Parametric Search
- Mouser Categories
- DatasheetsPDF
🧪 Simulation & Prototyping
- LTspice – free analog simulator.
- Falstad Circuit Simulator
- TinkerCAD Circuits – good for beginners.