Active Bandpass Designer

Active Bandpass Designer 2.0

Free
It offers analysis in addition to design and tuning of the various components
 
2.0 (See all)

This program uses the multiple-feedback scheme; it offers analysis in addition to design and tuning of the various components. And, most uncommon in such programs, it includes correction for the real-world opamp GBW. Writes ready-to-run LTspice schematics.

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