Troubleshooting Errors; Application Specific Information - Analog Devices EVAL-AD8460SDZ User Manual

Evaluation Board User Guide

Troubleshooting Errors

1. AD8460 board does not appear in the attached hardware section:
a. Check for a firm connection between the SDP board and evaluation board.
b. Check the power of the SDP board and reconnect the USB.
c. If still not working, try to reset the SDP board through the red reset button switch.
2. AWG mode output does not update.
a. Sometimes one Download → Play sequence is not enough to display the results. Monitor the output on
an oscilloscope and repeat the steps until the output is displayed correctly.
b. If the output is repeatedly updating to a square waveform, generate a Copy of the desired vector in the
vector generator tool and repeat the Download → Play sequence until the output is displayed correctly.
3. Transaction error pops up at start-up.
a. This is a known issue in the FMC plugin only. Click on Reset Board to remove the pop-up. The indicator
on the status bar still shows up as red but this does not affect the plugin functions and status now shows
up as Good.

Application Specific Information

1. When using the fault monitoring and protection:
a. Triggering the alarm requires the desired threshold to be met for a minimum duration before a shutdown
is initiated. When operating at higher SYNC frequencies (>1 MHz), depending on the waveform, the
threshold value may not be met for a long enough duration to trigger an alarm.
b. Programming a desired threshold of 0 always causes the alarms flags to be in a high state since the
protection circuitry inherently senses any noise on the output node, causing the alarm to constantly
retrigger.
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