Comparator practice problems
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Read the Comparator class notes.
For the comparator shown,
- Ra = 22 kΩ
- Rb = 18 kΩ
- Vref = 3 V
The upper output voltage limit of the op amp is VL+ = 5 V, and the lower limit is VL- = 0 V.
Find VTH, VTL, and the hysteresis width for the comparator.