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Schmitt Trigger with two Transistors [Circuit]
posted November 24 2014 18:57.12 by Giorgos Lazaridis




This is a very simple way to connect two transistors into a darlington pair and add positive feedback effectively turning this connection into a Schmitt Trigger. The circuit can handle load currents from a few milliamps up to many amperes, and can have very high input impedance.

Follow this link to find complete analysis on both the active HIGH and active LOW Schmitt Trigger circuits.

[Link: EDN]
 
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