Need help to get equation of Kirchhoff

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    Kirchhoff
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SUMMARY

The discussion centers on deriving the equations of Kirchhoff for a specific electrical circuit involving diodes and operational amplifiers (op-amps). Users are advised to model diodes as voltage-driven current sources using the equation i=c(exp(a*v)-1), where c and a are constants. Additionally, op-amps require modeling each terminal as a grounded voltage source. For complex systems, employing Lagrangian mechanics to derive charge equations is recommended, although this method is more intricate.

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  • Understanding of Kirchhoff's laws
  • Familiarity with diode modeling and characteristics
  • Knowledge of operational amplifier configurations
  • Basic principles of Lagrangian mechanics
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  • Learn about operational amplifier configurations and their applications
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simplewhite
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Please help me!
I can't understand how to get equation of Kirchhoff to this scheme.
Thank you!

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You have to model the diodes and op-amps and then apply your loop equations. A diode is a voltage-driven current source, something like i=c( exp(a*v)-1 ) where c and a are constants. The op amps are a little trickier, you have to model each terminal as a grounded voltage source.

For this kind of system, it is easier to simulate it by deriving the equations of charge using Lagrangian mechanics approach (because all these elements have mechanical analogies) but this is too long to explain here.
 

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