Quick-Start Guide
7
SLAU726 – August 2017
Copyright © 2017, Texas Instruments Incorporated
DAC90x Evaluation Module
Figure 5. HSDC Pro GUI Main Panel
2. When prompted to select the capture board, select the TSW1400. If multiple TSW1400EVMs are
connected, choose the serial number that corresponds to the serial number on the TSW1400EVM
connected to the DAC90x and click
OK
. This popup can be accessed through the
Instrument Options
menu.
3. If no firmware is currently loaded, there is a message indicating this. Click
OK
.
4. Verify the
DAC
tab at the top of the GUI is selected.
5. Use the
Select DAC
drop-down menu at the top left corner to select the correct configuration file for
the DAC90x variant being used, see
Table 1. Configuration Files
DAC90xEVM Variant
Configuration File
DAC900
CMOS_10_Bit
DAC902
CMOS_12_Bit
DAC904
CMOS_14_Bit
DAC908
CMOS_8_Bit
6. When prompted to update the firmware for the DAC, click
Yes
and wait for the firmware to download to
the TSW1400. This takes approximately 10 seconds.
7. Enter “150M” into the
"Data Rate (SPS)
" field at the upper portion of the DAC tab, and ensure that
"offset Bin" is selected for "DAC Option".
8. In the lower left corner of the HSDC Pro window, enter the following parameters into the
I/Q Multitone
generator
:
•
ToneBW = 0
•
# = 1
•
Tone Center = 27.4
9. Click the
Create Tones
button
10. The result should be now visible on the oscilloscope or spectrum analyzer. If performance is not
meeting data sheet specifications, it may be necessary to provide a delay on the clock signal to the
DAC in order to meet setup and hold time requirements. If no output is seen, then see
.
