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Basic Test Procedure
3.4
DAC3174 Software Quick Start Guide
The following steps provide a quick start guide to the DAC3174 software:
•
Provide the clock input 491.52 MHz at 1.5 Vrms at J9 SMA connector of the DAC31x1 EVM
•
Turn on power to the board and press the reset button on the EVM
•
Press the Reset USB Port button in the GUI and verify USB communication
•
Switch to the INPUT tab of the GUI
•
Press the RESET tab until the USB is CONNECTED
•
Click Load, browse to the installation folder and load the example file "dac3174_reg.txt". This file
contains settings for DAC3174 running at 491.52 MSPS. Load this file and wait a couple of seconds for
the settings to go into effect.
•
Verify the spectrum using the spectrum analyzer at the IF outputs of the DAC EVM (J7)
8
DAC31x1EVM User Guide
Figure 8. Captured Two-Tone from Spectrum Analyzer
Copyright © 2013, Texas Instruments Incorporated
www.ti.com
SLUUAN8 – July 2013
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