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In-house tooling · RF design

Browser RF analysis tools

A signal-chain editor with a live cascade (gain, NF, IP3, P1dB, sensitivity, SFDR) and a Touchstone viewer with Smith chart, markers and cross-grid trace math. Both run entirely in the browser, so no files leave the machine.

Signal-chain editor with an example receive chain and its cascade summary.

These are the everyday tools behind my RF design work, published so clients can use them too. You can try them on mikebuilds.ai.

  • Cascade analysis follows the connected signal path from the antenna, ignores the LO, and reports noise floor, sensitivity and SFDR for any bandwidth.
  • The Touchstone viewer handles v1 and v2 files, including the 2-port v1 ordering quirk, and interpolates magnitude and unwrapped phase separately so trace math across different frequency grids stays correct.
S-parameter viewer comparing two units of a synthetic bandpass filter.
Comparing two builds of the same filter, one tuned slightly low. Demo data is synthetic.
Smith chart of the two filters' input reflection.

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