RF Hardware Design
Microstrip / 50-Ω Transmission Line
Estimate microstrip impedance and solve approximately for trace width.
Inputs
Results update as you enter values. Inputs stay in this browser session only.
Results
Characteristic impedance
Effective dielectric constant
Trace width
Width / height
How it works
Quasi-static thin-conductor Wheeler/Hammerstad closed-form expressions for Z₀ and εeff.
Engineering assumptions
Zero conductor thickness, no solder mask, dispersion or copper roughness; verify final PCB geometry with a field solver.