-- card: 36168 from stack: in -- bmap block id: 0 -- flags: 0000 -- background id: 3551 -- name: -- part contents for background part 3 ----- text ----- slope -- part contents for background part 4 ----- text ----- the attenuation curve from the cut-off point of a filter; the steepness of the curve is dependent on the number of 'poles' in the filter circuit.