And sometimes, when the light slanted just so over the pond, they would walk past the stump and tuck a small card under the moss—thirteen steps completed, the fourteenth always waiting, because better never ends; it only asks to be kept alive in the ordinary work of showing up.
| Test | Equipment | Pass Criteria | |------|-----------|----------------| | Radiated emissions (30 MHz – 6 GHz) | Spectrum analyzer + near-field probe | ≤ limits per FCC/EN 55032 | | ESD immunity (contact/air) | ESD gun (±8 kV / ±15 kV) | No latch-up or reset | | Conducted susceptibility (CS) | Injection clamp (150 kHz – 80 MHz) | <5% signal degradation | | Crosstalk between adjacent pins | VNA, TDR | ≤ -40 dB @ max frequency |