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Troubleshooting the DAC39RF10EVM
5 Troubleshooting the DAC39RF10EVM
Table 5-1
lists some troubleshooting procedures.
Issue
General problems
TSW14J59 LEDs are not
correct
Configuration GUI is not
working properly
Configuration GUI is not able
to connect to the EVM
DAC output looks
incorrect,distorted or there is
no output.
.
Output power looks low
18
DAC39RF10EVM Evaluation Module
Table 5-1. Troubleshooting
•
Verify the test setup shown in
document.
•
Check power supply to EVM and TSW14J59EVM. Verify that the power switch is in the on position.
•
Check signal and clock connections to EVM.
•
Visually check the top and bottom sides of the board to verify that nothing looks discolored or damaged.
•
Make sure the board-to-board FMC+ connection is secure.
•
Try pressing the CPU_RESET button on the TSW14J59EVM. Also try clicking Instrument Options →
Reset Board after changing the DAC configuration.
•
Try power-cycling the external power supply to the EVM, and reprogram the DAC, LMX and LMK
devices.
•
Verify the settings of the configuration switches on the TSW14J59EVM.
•
Verify that the clock going to the CLK input is connected and the appropriate LEDs are blinking.
•
Verify that the DAC device internal registers are configured properly.
•
If LEDs are not blinking, reprogram the DAC EVM devices.
•
Try pressing the CPU_RESET button on the TSW14J59EVM.
•
Try clicking SEND button in HSDC Pro again.
•
Verify that the USB cable is plugged into the EVM and the PC.
•
Check the computer device manager and verify that a USB serial device is recognized when the EVM is
connected to the PC.
•
Verify that the yellow EVM Status LED light in the lower right corner of the GUI is lit. If it is not lit, try
restarting the GUI and reconfiguring the devices.
•
Use the free FT_PROG software from FTDI chip and verify that the onboard FTDI chip is programmed
with the product description ADC12DJxx00RF .
•
Verify that the TSW14J59EVM is properly connected to the PC with a USB-C cable and that the board
serial number is properly identified by the HSDC software.
•
Check that the proper DAC device mode is selected. The mode should match in HSDC Pro and the
DAC GUI.
•
Check that the configuration parameters are properly configured.
•
Select Instrument Options → Download Firmware and download
'TSW14J59REVB_DAC_64B66B_FIRMWARE.bit'. Try to send again.
•
Check that the spectrum analyzer is set to proper settings.
•
SMA connector is properly connect to the DAC output and Spectrum analyzer.
Copyright © 2023 Texas Instruments Incorporated
Troubleshoot
Figure
3-1, and repeat the setup procedure as described in this
www.ti.com
SBAU395 – APRIL 2023
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