GHF-PID Quad PID/PLL Controller Option

4 independent PID controllers
Input selection includes demodulator data with X, Y, amplitude and phase
Output selection includes output amplitudes, oscillator frequencies, demodulator phase
Phase unwrap for demodulator phase data (± 1024 π)
Low-pass filter for derivative branch

Configuration	4 PID controllers with PLL capability
PID input selection	X, Y, R, and Theta from demodulators 1 to 8
PID output selection	Amplitude of signal outputs 1 and 2, frequency of oscillators 1 to 8
PLL frequency range	10 Hz - 1.8 GHz

Quad PID/PLL Controller Option