Add FixedAttenuator class and udev rules for RF test bench

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FixedAttenuator supports --attenuator fixed:XX for non-programmable
inline SMA pads (set_db is a no-op returning the fixed value).
Udev rules grant non-root USB access for NanoVNA and HMC472A.

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Ryan Malloy 2026-02-20 10:56:36 -07:00

parent 3d2cd477b2

commit a12a394099

2 changed files with 1010 additions and 950 deletions

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1936

tools/rf_testbench.py

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