Consider the bistable circuit of Fig. 18.21(a) with the op amps positive input terminal
Chapter 18, Problem 18.32(choose chapter or problem)
Consider the bistable circuit of Fig. 18.21(a) with the op amps positive input terminal connected to a positive-voltage source V through a resistor R3. (a) Derive expressions for the threshold voltages VTL and VTH in terms of the op amps saturation levels L+ and L, R1, R2, R3, and V. (b) Let L+ = L = 10 V, V = 15 V, and R1 = 10 k. Find the values of R2 and R3 that result in VTL = +4.9 V and VTH = +5.1 V.
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