Low-pass filter (LPF) provides a constant output from DC up to a cutoff frequency f(H) and rejects all signals above that frequency. Circuit diagram shown below is a first-order low-pass Butterworth ...

Low-pass and high-pass filters in two-way crossover networks ... a crossover network with standard 1st-order Butterworth or APC filters. Three-Way Note. 1st-order filters are usually not recommended ...

Although no alternatives are proposed, the figure of merit presented herein for filter response sensitivity to component values is still of value. Figure 1 A schematic of a Sallen Key 2 nd order low ...

Figure 1 shows a programmable, second order, low-pass filter in a singlesupply, Sallen-Key configuration. As illustrated by Figure 2, this filter may be used for multiple signals. Also ...