D 4-8. Figure 4-48 shows a diagram for an automobile alarm circuit used to detect certain undesirable conditions. The three switches are used to indicate the sta- tus of the door by the driver's seat, the ignition, and the headlights, respec- tively. Design the logic circuit with these three switches as inputs so that the alarm will be activated whenever either of the following conditions exists: - The headlights are on while the ignition is off. . The door is open while the ignition is on. 48 Problem 4-8. +5 V +5 V Open Door Closed LED +5 V Alarm Ignition Logic circuit ON OFF +5 V Lights ON OFF
D 4-8. Figure 4-48 shows a diagram for an automobile alarm circuit used to detect certain undesirable conditions. The three switches are used to indicate the sta- tus of the door by the driver's seat, the ignition, and the headlights, respec- tively. Design the logic circuit with these three switches as inputs so that the alarm will be activated whenever either of the following conditions exists: - The headlights are on while the ignition is off. . The door is open while the ignition is on. 48 Problem 4-8. +5 V +5 V Open Door Closed LED +5 V Alarm Ignition Logic circuit ON OFF +5 V Lights ON OFF
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
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Transcribed Image Text:D
46. Figure 4-48 shows a diagram for an automobile alarm circuit used to detect
certain undesirable conditions The three switches are used to indicate the sta-
tus of the door by the driver's seat, the ignition, and the headlights, respec-
tively. Design the logic circuit with these three switches as inputs so that the
alarm will be activated whenever either of the following conditions exists:
- The headlights are on while the ignition is off.
- The door is open while the ignition is on.
48 Problem 4-8.
+5 V
+5 V
Open
Door
Closed
LED
+5 V
Alarm
Ignition
Logic
circuit
ON
OFF
+5 V
Lights
ON
OFF
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