Use of 4 floating current sources

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SUMMARY

The discussion centers on the implementation of four floating current sources to interface with resistive sensors. The user successfully aligned the current sources vertically and connected the reference voltage (Vref) to a common point. However, confusion arises regarding the absence of a ground reference and the significance of the horizontal line at the bottom of the resistor (Rs). This indicates a need for clarification on floating circuits and their grounding implications.

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  • Understanding of floating current sources
  • Knowledge of resistive sensor operation
  • Familiarity with circuit design principles
  • Basic electronics terminology, including Vref and grounding concepts
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  • Explore the characteristics and applications of resistive sensors
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akaliuseheal
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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.

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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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akaliuseheal said:
there is no ground
What is the little horizontal line at the bottom end of Rs ?
 
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