Answer the following questions about Schmitt Trigger:   i. What is the upper and lower threshold voltage level of a Schmitt trigger circuit with a sine wave input Vi - 20Vpp and op-amp saturation voltages, +Vsat = +15 V? Let   Rdiv2 33KOhms and Rdiv1 = 47KOhms.   ii. Design a Schmitt trigger circuit that will produce a square wave output signal for a   sine wave input, VI-20Vpp. The threshold voltages of the Schmitt Trigger are +8.2V and -8.2V. Let +Vsat +15V and Rdivl 82KOhms. Use commercially available resistors in your circuit diagram.

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Up-down counter

In digital logic and computing, a counter is a device that stores (and sometimes displays) the number of times a particular event or process has occurred, often in relationship to a clock. A sequential digital logic circuit is the most common type with an input line or clock and multiple output lines. In the binary or binary-coded decimal (BCD) number system, the values on the input line represents a number by several flip-flops connected in a cascaded manner. They are manufactured as separate integrated circuits and are widely used components in digital circuits. These are also a part of larger integrated circuits. These are a specific type of sequential circuit like registers or the value of the flip-flops serving as the output.