By replacing the resistor R3 by a resistance of R3 = 100 kΩ, you realize immediately that the hysteresis is less spread out. The switch-on and switch-off points are closer together than in the last experiment...
![]() Circuit diagram non-inverting Schmitt trigger. |
![]() Circuit non-inverting Schmitt trigger. (Enlarge) |
Via the resistor R3 you can set the width of the hysteresis. More on that later...
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![]() Voltage profile of a non-inverting Schmitt trigger. |
In the next experiment, you build an inverting Schmitt trigger...