Find capacitance from nonlinear I-V curves

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SUMMARY

The discussion centers on extracting capacitance and resistance from nonlinear I-V curves of a circuit element. It is established that time-axis data is essential for accurately measuring capacitance. Participants suggest using specific fitting equations to analyze the I-V curve data, emphasizing the need for temporal information to derive capacitance values effectively.

PREREQUISITES
  • Understanding of nonlinear I-V curve analysis
  • Familiarity with circuit elements exhibiting resistance and capacitance
  • Knowledge of fitting equations for data analysis
  • Experience with time-domain data collection techniques
NEXT STEPS
  • Research fitting equations for nonlinear I-V curve analysis
  • Learn about time-domain measurements in circuit analysis
  • Explore methods for extracting capacitance from experimental data
  • Investigate tools for simulating circuit elements with resistance and capacitance
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Electrical engineers, experimental physicists, and anyone involved in circuit design and analysis who needs to extract capacitance and resistance from nonlinear I-V data.

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I have some experimental circuit element that exhibits both resistance and capacitance, and results in nonlinear I-V curves.
can i extract capacitance and resistance of this element just from the I-V curve? or do I need time-axis data?
a suggestion on what equation to use to fit this data? thanks.
 
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you need time data to measure capacitance
 

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