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KCC's quizzes AQQ260 about a technical article correction

1. Quote of the week: "No man goes before his time - unless the boss leaves early" - Groucho Marx

             

2. New quiz AQQ260 about a technical article correction

One (external) reader has noticed a mistake or imprecision in an ADI technical article:

https://www.analog.com/en/resources/technical-articles/adc-architectures.html

 The “faulty” section is displayed here below (note the BU is checking this for a coming quick update):

Questions:

  1. What and where is the error or imprecision?
  2. How would you correct it?

Good luck! And try to be among the firsts!

Kuo-Chang

P.S. Don't hesitate to share those weekly quizzes in EZ to colleagues or friends!

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Parents
  • 1. "The time it takes for the integrator to trip the comparator is proportional to the unknown voltage (TINT/VIN)". This is wrong. Also the relation TINTVIN on the right side of fig. 1b is not correct.

    2. Correction: "The time it takes for the integrator to trip the comparator is inversely proportional to the unknown voltage (TINT  1/VIN)". And on the right side of fig. 1b we need to put TINT  1/VIN.

Reply
  • 1. "The time it takes for the integrator to trip the comparator is proportional to the unknown voltage (TINT/VIN)". This is wrong. Also the relation TINTVIN on the right side of fig. 1b is not correct.

    2. Correction: "The time it takes for the integrator to trip the comparator is inversely proportional to the unknown voltage (TINT  1/VIN)". And on the right side of fig. 1b we need to put TINT  1/VIN.

Children