Analog Devices AD9272 User Manual page 9

Analog devices evaluation board user guide
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Evaluation Board User Guide
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.
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.
Figure 12. SPI Controller, OFFSET(10) Box
Figure 13. SPI Controller, BIAS_CURR_A(12) Box
6.
Click the Run button in the VisualAnalog toolbar.
Figure 14. VisualAnalog Window Toolbar, Collapsed Display
Rev. 0 | Page 9 of 24
RUN BUTTON
UG-001

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