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Titan Yuan reported surprisingly good results when tested with the nitrate sensor from Arias group
Still investigating root cause of 10th bit being stuck at zero
Presented some slides about GPIO input impedance for MEMS contact sensor and differential cap xl use
Next up is aggressively modeling everything connected to the GPIO node to account for all charge leakage paths
Also shared results of spring 2021 oscibear tapeout class digital baseband bring-up: loopback works OK but still some surprising results.
Note for Fil Maksimovic : ADC input is 8-bits