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Design Schmitt trigger circuit to achieve upper and lower threshold voltage as 1.5 volts
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As mentioned in the problem upper and lower threshold voltage is 1.5V which is not possible. Hence consider UTP as +1.5V and LTP as -1.5V.

Design :

Since UTP = LTP

Step 1 : Determine hysteresis voltage

$$V_H = V_{UTP} - V_{LTP}$$ Given, UTP = 1.5V and LTP = -1.5V …

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