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3rd order bandpass filter simulation on Cadence 16.5

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Tarek Abu ElSauod

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Hi there
Peace on you all,

I'm designing a 3rd order mechanical filter and using electromechanical analogy i transformed it to equivalent electrical circuit and i want to simulate it on

Cadence to see its frequency response but 'floating nodes' error faces me everytime and i need help to know what is wrong filter.JPG

Thanks in advance
 

I think any node that has no resistive path to ground will give the "floating nodes" error. Just connect a very large resistor from each of those nodes to ground (large enough to have no effect on the AC filter response).
 

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