Single-Supply Akerberg Mossberg Butterworth Low Pass Filter
Problem:
How does a designer make a Akerberg Mossberg low pass Butterworth filter that operates from a Single-Supply?
Solution:
Use the circuit below:

The designer, if not familiar with the topics, may want to review Coupling Capacitors (Cin in the
schematic) and Virtual Grounding (Vcc/2 in the schematic).