ANALOG FILTER
Second-Order Butterworth Low-Pass Filter
A worked analog filter example, rendered live. Open it in the AI editor and adapt it to your own case.
Make this diagram your own.
Open it in the AI editor with a prompt pre-filled — keep what works, change what doesn't.
CASE ANALYSIS
Scenario
Designing an active analog low-pass filter to attenuate high-frequency noise while maintaining a flat passband.
Key decisions
- Used multiple feedback topology for stable Q and lower component sensitivity.
- Selected component values to achieve Butterworth damping factor of 0.707.
When to reuse this
Use when a second-order Butterworth low-pass characteristic is needed in signal conditioning, audio, or sensor applications.
Open this example in the editor →
Tweak it with chat, export PNG/SVG, or fork it for your own use case.
circuit-multiple-feedback-second-order-butterworth-low-pass-filter-d