A minimal 5:4 circuit diagram for a band pass filter, professionally designed by Template.net, with a 9V source, two LEDs, resistors and a capacitor drawn in clean black line art on a white background.

A minimal 5:4 circuit diagram for a band pass filter, professionally designed by Template.net, with a 9V source, two LEDs, resistors and a capacitor drawn in clean black line art on a white background.
Customize it in two ways: