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Consider the bistable circuit below left with the positive input terminal of the op-amp connected to a positive-voltage source Vs through a resistor R3. Derive expressions for the threshold voltages V and VrH in terms of the op-amp saturation levels L+ and L-, as well as R1, R2, R3, and Vs. Let L. = - L- = 9 V, Vs = 12 V, and R1 = 20 k2. Find the values of R2 and R3 that result in VrL = +4.5 V and VTH = +5.5 V. Sketch the v, – Vo characteristics of the bistable circuit. R1 R: (+1)||

Consider the bistable circuit below left with the positive input terminal of the op-amp connected to a positive-voltage source Vs through a resistor R3. Derive expressions for the threshold voltages V and VrH in terms of the op-amp saturation levels L+ and L-, as well as R1, R2, R3, and Vs. Let L. = - L- = 9 V, Vs = 12 V, and R1 = 20 k2. Find the values of R2 and R3 that result in VrL = +4.5 V and VTH = +5.5 V. Sketch the v, – Vo characteristics of the bistable circuit. R1 R: (+1)||

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
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Consider the bistable circuit below left with the positive input terminal of the op-amp connected to a positive-voltage source Vs through a resistor R3. Derive expressions for the threshold voltages Vr and VTH in terms of the op-amp saturation levels L+ and L-, as well as R1, R2, R3, and Vs. Let L+ = - L- = 9 V, Vs = 12 V, and R1 = 20 k2. Find the values of R2 and R3 that result in VrL = +4.5 V and VTH = +5.5 V. Sketch the v, – vo characteristics of the bistable circuit. R1 R2 U+ O (+1H
Transcribed Image Text:Consider the bistable circuit below left with the positive input terminal of the op-amp connected to a positive-voltage source Vs through a resistor R3. Derive expressions for the threshold voltages Vr and VTH in terms of the op-amp saturation levels L+ and L-, as well as R1, R2, R3, and Vs. Let L+ = - L- = 9 V, Vs = 12 V, and R1 = 20 k2. Find the values of R2 and R3 that result in VrL = +4.5 V and VTH = +5.5 V. Sketch the v, – vo characteristics of the bistable circuit. R1 R2 U+ O (+1H
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