-- card: 48338 from stack: in -- bmap block id: 0 -- flags: 0000 -- background id: 3551 -- name: -- part contents for background part 16 ----- text ----- 177 -- part contents for background part 3 ----- text ----- exponential -- part contents for background part 4 ----- text ----- A relationship between two quantities such that a change in the amount of one is associated with a change in ratio of the other. When a VCA is being exponentially controlled, for example, an increase of one volt in the control voltage might double the amplitude of the output signal. The opposite of exponential is linear.