Voltage controlled filter: Difference between revisions

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* '''Top Layer''': 4 pole, low-pass, with resonance
* '''Top Layer''': 4 pole, low-pass, with resonance
* '''Middle Layer''': 4 single-pole low-pass sections in series, with feedback
* '''Middle Layer''': 4 single-pole low-pass sections in series, with feedback
* '''Bottom Layer''': the ladder circuit
* '''Bottom Layer''': transistor cascade ladder
And a state variable filter would be:
And a state variable filter would be:
* '''Top Layer''': 2 pole, multi-mode
* '''Top Layer''': 2 pole, multi-mode