If you are in any way connected with radio, you will have encountered the low pass filter as a ... The idealised graph produced by QUCS for our filter. The filter we’re designing is simple ...

Figure 1 A schematic of a second order Sallen-Key low pass filter ... be drawn on the Noise and Sensitivity graph. Its intersections with the curves, with the associated value of C2, correspond to ...

The cap in question is part of the guitar’s tone circuit, which along with a potentiometer forms a variable low-pass filter. A rich folklore has developed over the years around these circuits ...