EE 230 Electronic Circuits & Systems G. Tuttle

Comparator practice problems
Refresh the page to get a new problem.

Read the Comparator class notes.


For the comparator shown,

  • Ra = 3.9 kΩ
  • Rb = 1.8 kΩ
  • Vref = -1 V

The upper output voltage limit of the op amp is VL+ = 12 V, and the lower limit is VL- = -12 V.

Find VTH, VTL, and the hysteresis width for the comparator.

Answers