1) 0 ports plugged, 16hz SS filter 2) 1 port plugged, 12hz SS filter 3) 2 port plugged, ? SS filter 1) and 2) overlayed on the same graph with the gain remaining constant or variable?
Thanks MingL. This is something that I was very interested in. You would not believe how many serch words I tried and days spent before I found this thread. The magic word was "plugged"