Maurice Tutor

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Category > Computer Science Posted 17 Jul 2017 My Price 8.00

circuit operation

Figure 8-58(a) shows a circuit used to convert a 60-Hz sine wave to a 60-pps signal that can reliably trigger FFs and counters. This type of circuit might be used in a digital clock.

(a) Explain the circuit operation.

(b)*A technician is testing this circuit and observes that the 74LS14 output stays LOW. He checks the waveform at the INVERTER input, and it appears as shown in Figure 8-58(b). Thinking that the INVERTER is faulty, he replaces the chip and observes the same results. What do you think is causing the problem, and how can it be fixed?

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Maurice Tutor
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Status NEW Posted 17 Jul 2017 09:07 PM My Price 8.00

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