Adding one resistor (R6) and adjusting another (R1) ironed out the bump in Figure 3's analog linearizing

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Other Materials from the Main Document

• Article «Adding one resistor improves anemometer analog linearity to better than ±0.5%»
• Figure 1. Older design idea with self-heated Darlington thermal airflow sensor
• Figure 2. V_OUT versus airspeed response of thermal sensor is very nonlinear
• Figure 3. Anti-log linearizing VFC
• Figure 4. Airspeed response linearity of Figure 3's anti-log VFC is better but still un-terrific
• Figure 5. Adding one resistor (R6) and adjusting another (R1) ironed out the bump in Figure 3's analog linearizing
• Figure 6. Improved analog linearity resulting from VFC modifications shown by overlaid blue and black lines
• Figure 7. Magnified residual linearity error shown in Figure 6