UHF-PID  Quad PID/PLL Controller Option
Key Features
- 4 independent PID controllers
 - PID Advisor (for adjustment of target bandwidth)
 - Auto Tune PID (for minimization of average PID error signal)
 - High-speed operation with up to 300 kHz loop filter bandwidth
 - Input parameters including demodulator data, auxiliary inputs, auxiliary outputs, and Arithmetic Unit
 - Output parameters including output amplitudes, oscillator frequencies, demodulator phase, auxiliary outputs, and signal output offsets
 - Phase unwrap for demodulator phase data (± 1024 π), e.g. for optical PLLs
 - Low-pass filter for derivative branch