Figure P18.43 shows a monostable multivibrator circuit. In the stable state, vO = L+, vA
Chapter 18, Problem 18.43(choose chapter or problem)
Figure P18.43 shows a monostable multivibrator circuit. In the stable state, vO = L+, vA = 0, and vB = Vref . The circuit can be triggered by applying a positive input pulse of height greater than Vref . For normal operation, C1R1 CR. Show the resulting waveforms of vO and vA. Also, show that the pulse generated at the output will have a width T given by T = CRlnL+ L Vref Note that this circuit has the interesting property that the pulse width can be controlled by changing Vref . =
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