Evaluation Board User Guide
UG-001
Rev. 0 | Page 9 of 24
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Figure 10. SPI Controller, CHIP GRADE(2) Box
4.
In the
ADCBase 0
tab of the SPI Controller, find the
HIGHPASS(2B)
box. Click
Manual Tune
to calibrate the
antialiasing filter. See the AD9272 or AD9273 data sheet,
the AN-878 Application Note, and the AN-877 Application
Note for reference.
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Figure 11. SPI Controller, HIGHPASS(2B) Box
5.
In the
ADC A
tab of SPI Controller, find the
OFFSET(10)
box. Use the drop-down box labeled
Offset Adj
to perform
an offset correction to the LNA if the LNA power setting
BIAS_CURR_A(12)
has been set low. The default value is 32.
Select 33 if the low LNA power setting
BIAS_CURR_A(12)
is used.
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Figure 12. SPI Controller, OFFSET(10) Box
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Figure 13. SPI Controller, BIAS_CURR_A(12) Box
6.
Click the
Run
button in the VisualAnalog toolbar.
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RUN BUTTON
Figure 14. VisualAnalog Window Toolbar, Collapsed Display
