How to simulate a electric filter in Simulink?
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I have ben triang to simulte this circuit but an error occured and the error is :
![](https://www.mathworks.com/matlabcentral/answers/uploaded_files/484003/image.jpeg)
Solver could not solve the system of algebraic equations because a singular iteration matrix was encountered. Consider providing more accurate initial conditions. If the problem persists, check the model structure and values of parameters.
Does anyone have solved some error like tht before?
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Jonas
2021년 1월 11일
You have grounded the output of the opamp behind the voltage sensor block. The voltage sensor block has zero impedance. You should add a resistor or something between the voltage sensor and the grounding block. Otherwise the opamp can't do anything.
I would also check the rest of the circuit, because I do not see a feedback loop.
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