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Schmitt Trigger Circuit

2018-01-20 15:49  
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This Schmitt trigger circuit is “emitter coupled” and provides a simple comparator action. The 2N3069 JFET places very little loading on the measured input. The 2N3565 bipolar is a high hFEtransistor so the circuit has fast transition action and a distinct hysteresis loop. Here is a schematic drawing:

Schmitt Trigger Circuit Schmitt Trigger Circuit

Source circuit : National Semiconductor Application

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