Refer to the circuit of Figure 5-13. A technician tests the circuit operation by observing the outputs

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Refer to the circuit of Figure 5-13. A technician tests the circuit operation by observing the outputs with a storage oscilloscope while the switch is moved from A to B. When the switch is moved from A to B, the scope display of XB appears as shown in Figure 5-89. What circuit fault could produce this result?


Figure 5-89

-1 ms


Figure 5-13

A www B +5 V SET 2 5 RESET 1 kHz n Z1 Z1 3 6 O 2 Q 5 Z2 Z2 3 6 XB Switch position A B XA XB Pulses LOW LOW

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Digital Systems Principles And Application

ISBN: 9780134220130

12th Edition

Authors: Ronald Tocci, Neal Widmer, Gregory Moss

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