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Use of 4 floating current sources

  • #1

Homework Statement


I have 4 resistive sensors thus I need to tie 4 floating current sources. Floating current source will give me output voltage linear to the resistance of a sensor. I know it is not the best solution but it is good enough.

Image provided:
FCS.PNG



Homework Equations


None

The Attempt at a Solution


I did it by aligning them one under another and tying Vref into one point but I am confused by the fact there is no ground.

FCS.PNG
 

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Answers and Replies

  • #2
BvU
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there is no ground
What is the little horizontal line at the bottom end of Rs ?
 

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