E11 Lab #3
Grading
2008

The following points will be assessed for each part from the report.


  1. Touch Screen
    1. For input circuit
      1. Output when input is +10V. (3 points)
      2. Output when input is -10V. (3 points)
      3. Thevenin resistance. (3 points)
      4. Compatible with 2.5 volt A/D? (3 points)
    2. Table 1 w/ explanation. (10 points)
    3. Table 2 w/ explanation. (10 points)
    4. For I/O box input circuitry:
      1. Thevenin circuit from left. (3 points)
      2. Voltage with 5V source and 10k pullup. (3 points)
      3. Touch screen voltage - unconnected to I/O box. (3 points)
      4. Touch screen voltage - connected to I/O box. (3 points)
    5. Well-documented from "Program 4" (20 points)
    6. Touch screen image (5 points).
    7. Extra credit
      1. No display when not touched. (2 points)
      2. Dots connected. (2 points)
      3. Data smoothed. (2 points)
  2.  PCB
    1. Working PCB (5 points)
    2. Description of circuit behavior (5 points)

Total =     /85=   %


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