Analog Devices UG-001, AD9273, AD9272 user manual Click the Run button in the VisualAnalog toolbar

Page 9

Evaluation Board User Guide

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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

UG-001

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.

RUN BUTTON

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Figure 14. VisualAnalog Window Toolbar, Collapsed Display

Rev. 0 Page 9 of 24

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Contents Typical Measurement Setup FeaturesEquipment Needed Documents NeededTable of Contents Power Supplies Input SignalsOutput Signals Evaluation Board Connection Default Operation Jumper Selection Settings DOUTx+, DOUTx− Configuring the Board Evaluation Board Software Quick Start ProceduresUsing the Software for Testing Setting Up the ADC Data Capture BlockVisualAnalog, Main Window Setting Up the SPI ControllerClick the Run button in the VisualAnalog toolbar Adjusting the Amplitude of the Input Signal Using the Integrated Crosspoint Switch CW Doppler ModeSPI Controller, MODES8 Box Evaluation Board Schematic, DUT Analog Input Circuits Evaluation Board Schematics and ArtworkRev Page 13 Evaluation Board Schematic, DUT, VREF, and Decoupling Evaluation Board Schematic, Clock, SPI, and Gain Circuits Rev Page 16 Evaluation Board User Guide Evaluation Board Layout, Ground Plane Layer Evaluation Board Layout, Power Plane Layer Rev Page 20 Rev Page 21 Evaluation Board Layout, Bottom Side Bill of Materials Ordering InformationERJ-2RKF1240X ESD Caution