Architecture for Measuring Blade Tip Clearance and Time of Arrival with Multiple Sensors in Airplane Engines

Table 2

Maximum ΔTC (in μm) obtained from the test waveforms for different ADC resolutions.

Rpm	11 bits − LSB = 488 μV (μm)	12 bits − LSB = 244 μV (μm)	13 bits − LSB = 122 μV (μm)
3390	45.6	22.8	11.4
4601	72.6	36.2	18.1
4843	71.9	35.8	17.9