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Basic Test Procedure
Figure 9. Select ADS58H40 in the High Speed Converter Pro GUI Program
2. When prompted Do you want to update the Firmware for ADC?, select Yes
3. Select Single Tone FFT Test under Test Selection
4. Select the number of sample points (and resulting number of FFT bins). The example shown in
Figure 11
has 65536 samples.
5. Enter the ADS58H40 sampling rate. The example shown in
245.76 MSPS.
6. Enter the input frequency desired. If the clock and input frequency signal generators are synchronized,
then make sure the checkbox for coherent frequency is checked and set the input frequency signal
generator to the input frequency displayed. The example shown in
set at 170 MHz.
7. Select channel A, B, C, or D depending on which channel is connected to the signal generator.
12
ADS58H40 EVM
Figure 10. Load ADC Firmware Prompt
Copyright © 2012, Texas Instruments Incorporated
Figure 11
has the sample rate set at
Figure 11
has the input frequency
SLAU455 – August 2012
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