Analog-devices UG-001 Manual do Utilizador descarregar pdf (Página 9)

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

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Analog-devices UG-001 Manual do Utilizador Página 9