UAV Tech - Arrright, I was sharing this with someone and thought it showed pretty well how the BF 4.1 filter system comes together. Filter tuning in 4.1.x is as follows: #1.
Notch Filter Frequency Response | Download Scientific Diagram
MC Filter Tuning & Control Latency | PX4 User Guide
How to Setup RPM Filter in Betaflight - Oscar Liang
Betaflight 4.1 Filter Setup - RPM Notches are the Future! - YouTube
Betaflight Filtering 101 - Oscar Liang
Notch filter testing - Development Team - ArduPilot Discourse
Explained: Betaflight Dynamic Filter | Best Online Drones
How to Setup RPM Filter in Betaflight - Oscar Liang
Betaflight Filtering 101 - Oscar Liang
Betaflight Filtering 101 - Oscar Liang
Betaflight Notch Filter - How To Configure - YouTube
Betaflight Dynamic Notch and FFT Debug Modes - YouTube
How to Eliminate Propwash in Betaflight 4.2 | GetFPV Learn
MC Filter Tuning & Control Latency | PX4 User Guide