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W11 Homework Solutions

e. the output of the relay is connected to the clicker. The clicker is very sensitive to electrostatic discharges (ESD) and needs some protection on its input for variations higher and lower than the operating voltage (exact swing not specified). Some protection to limit the rise time of the ESD pulse should also be added. The release time of the relay also needs to be less than 2.2 ms to be able to "click" at a certain frequency. Flyback protection must also be added. Using Google, you found four possible circuits to use. These four circuits are shown in the below Figure. A B. . C. D. Which circuit will you use that can satisfy all given specifications? Justify your answer. Solution: Specifications state (with circuits adhering in square brackets):  ESD protection...

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