Analog Devices ADRV9029 User Manual page 30

The flow chart in Figure 31 describes the function of the gain monitoring state machine. The DPD gain monitoring, once enabled,
DPD Actuator Gain Monitoring + Model Switching State Machine Representation
runs independently from the DPD actuator. It monitors the gain of the signal across the actuator until it is turned off, as shown in
the state diagram.
Start
FW Scheduling Timer
NO
DPD Scheduled ?
YES
Sample Capture for
DPD Adaptation
YES
NO
DPD Update
Conditions Met?
YES
Coeff Generation
and LUT Update +
Set M/C Table as
active model
YES
NO
Gain threshold
violation ?
YES
Model Switch to
unity gain / R-Table
Figure 31. DPD Gain Monitoring State Machine
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