Hi all,
After experimenting with the Schmitt trigger, build with discrete components, let’s study the module included with the 300 expansion set (Computer electronics).
This is the diagram of the module :

And here some pictures :

If we build following circuit, you’ll see that its behaviour is just the same as the circuit with discrete components.

Some questions :
- Can anyone explain the working principle ?
- Do you think it would harm transistor T1 if we connect its base directly to the Schmitt trigger’s output A ?
- What do you think will happen when we use a smaller value for R3 ?
- Try it out to see for yourself !
Many greetings,
Frank
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This topic was modified 3 years, 9 months ago by LectronFan.