2 3 4 5 6 7 сл Outputs 1 2 4 8 ww mm 8 9 10 11 23 12 13 14 15 However, your first customer has a complaint with your encoder circuit. He claims it often outputs false codes. After sending it back to your workshop for warranty repair, you determine there is nothing wrong with the encoder circuit itself: it always outputs the correct codes when you energize the appropriate inputs. Perhaps the problem is in how the customer is using it. You then telephone the customer and ask him how he is using the encoder. He tells you it is used as part of a fault diagnostic circuit for an important piece of machinery. Each input of the encoder is connected to a different sensor on the machine (low oil pressure switch, high temperature switch, out-of-limit travel switches, etc.), and then the encoder outputs drive a four-LED display for maintenance technicians to view. They would have rather used a separate LED for each "trouble" sensor, but the display panel was too small to accommodate fifteen LEDs, so they decided to use four LEDs and an encoder, having their technicians interpret a binary code to determine which of the fifteen sensors is activating. To the best of your ability, determine why your company's flagship encoder circuit sometimes produces false codes in this application. Then, recommend a solution for your customer.

Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
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Answer the question.

Having learned how to build simple encoder circuits using diode networks, you set out to form your own
encoder manufacturing company: Encoders, Inc. After agreeing on a policy of truth in advertising, your
board of directors drafts this slogan:
"Our encoder circuits are more reliable because there's less to break."
After months of hard work, you unveil your latest masterpiece, the 16-line to 4-line encoder:
Outputs
1
2
4
8.
1
8
2
9
3
10
4
11
5
12
6
13
7
14
15
However, your first customer has a complaint with your encoder circuit. He claims it often outputs false
codes. After sending it back to your workshop for waranty repair, you determine there is nothing wrong
with the encoder circuit itself: it always outputs the correct codes when you energize the appropriate inputs.
Perhaps the problem is in how the customer is using it.
You then telephone the customer and ask him how he is using the encoder. He tells you it is used as
part of a fault diagnostic circuit for an important piece of machinery. Each input of the encoder is connected
to a different sensor on the machine (low oil pressure switch, high temperature switch, out-of-limit travel
switches, etc.), and then the encoder outputs drive a four-LED display for maintenance technicians to view.
They would have rather used a separate LED for each "trouble" sensor, but the display panel was too small
to accommodate fifteen LEDS, so they decided to use four LEDS and an encoder, having their technicians
interpret a binary code to determine which of the fifteen sensors is activating.
To the best of your ability, determine why your company's flagship encoder circuit sometimes produces
false codes in this application. Then, recommend a solution for your customer.
Transcribed Image Text:Having learned how to build simple encoder circuits using diode networks, you set out to form your own encoder manufacturing company: Encoders, Inc. After agreeing on a policy of truth in advertising, your board of directors drafts this slogan: "Our encoder circuits are more reliable because there's less to break." After months of hard work, you unveil your latest masterpiece, the 16-line to 4-line encoder: Outputs 1 2 4 8. 1 8 2 9 3 10 4 11 5 12 6 13 7 14 15 However, your first customer has a complaint with your encoder circuit. He claims it often outputs false codes. After sending it back to your workshop for waranty repair, you determine there is nothing wrong with the encoder circuit itself: it always outputs the correct codes when you energize the appropriate inputs. Perhaps the problem is in how the customer is using it. You then telephone the customer and ask him how he is using the encoder. He tells you it is used as part of a fault diagnostic circuit for an important piece of machinery. Each input of the encoder is connected to a different sensor on the machine (low oil pressure switch, high temperature switch, out-of-limit travel switches, etc.), and then the encoder outputs drive a four-LED display for maintenance technicians to view. They would have rather used a separate LED for each "trouble" sensor, but the display panel was too small to accommodate fifteen LEDS, so they decided to use four LEDS and an encoder, having their technicians interpret a binary code to determine which of the fifteen sensors is activating. To the best of your ability, determine why your company's flagship encoder circuit sometimes produces false codes in this application. Then, recommend a solution for your customer.
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