Transmission Line Workbench
Microstrip, coax, CPW, waveguide, Z₀ and 22+ practical calculators.
Z₀ / VSWR ↗RF ENGINEERING / VISUALISED
Make the invisible legible.
A visual workbench for RF engineers, students, and builders. Calculate, simulate, and understand the signals shaping the air around us.
22+calculators
245+interview Q&A
01signal lab
Live / Field 2.4 GHzSignal status● Nominal / 0.42 dB
Instrument modules / 06
Choose your
starting frequency.
Focused tools for the first sketch, the hard derivation, and the last-minute review.
S-Parameter Analysis Suite
Plot Touchstone files, explore Smith charts, cascade and de-embed networks.
SMITH CHART ↗Phased Array Visualiser
Steer ULA and URA beams, inspect grating lobes and tune a patch antenna.
ARRAY DESIGNER ↗RX Chain Designer
Build a cascaded gain, NF and IIP3 budget from LNA through ADC.
LINK BUDGET ↗The RF Playbook
Visual guides for radar, PLLs, modulation, noise, filters and mixers.
23 GUIDES ↗Filters & Matching
LC filters, stubs, Wilkinson dividers, attenuators and impedance matching.
MATCHING ↗THE LEARNING SIGNAL
A clearer path from formula to intuition.
Build fluency the way a real lab works: observe the pattern, test the model, then trust the result.
See all paths ↗✦ Daily signal check
How well do you read the air?
Take a fast, visual RF quiz. No pressure, just a better next question.