Changing each value and re-running the simulation shows us the graph changing subtly each time, and it can sometimes be a challenge to adjust them without destroying the filter entirely.

It also includes a passive low-pass filter to make the sound more pleasant to the ear, especially for younger players of the machine.

Figure 2 A Sallen-Key low pass filter showing all noise sources. It’s convenient to think in terms of the signals in the figure as being volts and amperes per square root Hertz rather than of volts ...

Low-Pass Filter Design and Applications Publication Trend The graph below shows the total number of publications each year in Low-Pass Filter Design and Applications.