This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Passive band pass ladder filter signal flowgraph normalized. en The signal flowgraph representation of the ladder filter equations with impedances scaled by an arbitrary resistance Te signs of the gains have been manipulated so that all gains feeding into node have the same signs own Constant other versions cczero Uploaded with