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What is the main advantage of including hysteresis in a switching element? What is a Schmitt trigger? Describe the operation of the Schmitt trigger circuit that employs two bipolar junction transistors as in Figure 8.19a. Even though a Schmitt trigger can be constructed using discrete elements in this manner, this device is commercially available in the monolithic form as a single IC chip. Suppose that a sinusoidal signal is applied to a Schmitt trigger, as schematically shown in Figure P8.32. Discuss the shape of the output signal. What is the output frequency?

Figure 8.19

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Mechanical Engineering, Engineering

Category:- Mechanical Engineering
Reference No.:- M91955627

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