MF-PID  Quad PID/PLL Controller Option
Key Features
- 4 independent PID controllers with PLL capability
 - PID Advisor (for adjustment of target bandwidth)
 - Auto Tune PID (for minimization of average PID error signal)
 - 50 kHz maximum loop filter bandwidth
 - Phase unwrap for demodulator phase data (± 1024 π)
 - Low-pass filter for derivative branch