3–87 Designthe interface circuit inFigureP3−87so that the voltage delivered to the load is v = 10V ± 10%. Use one or more of only the following standard resistors: 1:3 kΩ, 2kΩ, 3 kΩ, 4:3 kΩ, 6:2 kΩ, and 9:1 kΩ. These resistors all have a tolerance of ± 5%, which you must account for in your design.

Repeat the problem if the desired load voltage is 4:3 V ± 10%.

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500 ww 12 20 V (+ Interface V 10 circuit FIGURE P3-87