// RF Engineering Tools

The lab for
RF designers

Precise, browser-based calculators, theory guides, and interview prep. Built by RF engineers, for RF engineers. No login. No fluff.

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Calculators
Microstrip · Stripline · Coaxial · CPW · Waveguide · NF · Filters
6 live · 4 coming soon
📡
S-Parameters
S11/S21 · VSWR · Return Loss · Γ · Smith Chart · dB Converter
Coming soon
📶
Antennas
Dipole · Patch · Yagi · Horn · Friis · FSPL · Gain & Beamwidth
Coming soon
🔧
RF Passive Components
Attenuators · Matching · Couplers · Dividers · Baluns · Resonators
Coming soon
📊
RF Link Budget
Full Budget · Cascaded NF · SNR · Link Margin · EIRP
Coming soon
📘
RF Theory
Transmission Lines · Noise · Filters · Mixers · Amplifiers · S-params
Coming soon
🎯
Interview & Exam Prep
Q&A by topic · Detailed solutions · Difficulty tags · All RF areas
Coming soon
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