// Calculators
Calculators
Accurate, browser-based RF calculators covering transmission lines, signal & power, and S-parameter conversions.
Transmission Lines
LIVE
Microstrip
Trace width & impedance · Synthesis & analysis
LIVEStripline
Symmetric & offset stripline
LIVECoaxial Line
Z₀, C/L per length, cutoff
LIVECPW / CPWG
Coplanar waveguide · Elliptic integral
LIVETwo-Wire Line
Parallel / twin-lead
LIVERectangular Waveguide
TE/TM modes · fc, λg, Zw
Signal & Power
LIVE
Noise Figure
Cascaded NF & gain — Friis formula, up to 8 stages
LIVEAttenuator
Pi & T pad design — attenuation ↔ resistor values
SOON
Filter Design
Butterworth · Chebyshev
Reflection & Power Converters