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The circuit below shows an inverting Schmitt trigger. ii. i. Calculate the value of the threshold voltages VTH and VTL if the op amp

The circuit below shows an inverting Schmitt trigger. ii. i. Calculate the value of the threshold voltages

The circuit below shows an inverting Schmitt trigger. ii. i. Calculate the value of the threshold voltages VTH and VTL if the op amp is powered from #Vcc. [3 marks). Using this comparator with R1=R2=R3=1k, VREF= +1V and Vcc = 19V show how to connect an extra capacitor C = 10uF and extra resistor R=10k to obtain a Schmitt Trigger Oscillator. Analyze the circuit and calculate the high-voltage and low-voltage time duration TH and TL. [2 marks] V10 wwwww R + VREF www R R3 -OUO

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