AD9430 datasheet(31/45 Pages) AD

31 / 45 page

AD9430

Rev. E | Page 30 of 44

TROUBLESHOOTING

If the board does not seem to be working correctly, try the

following:

The AD9430 evaluation board is provided as a design

example for customers of Analog Devices, Inc. ADI makes

no warranties, express, statutory, or implied, regarding

merchantability or fitness for a particular purpose.

•

Verify power at IC pins.

•

Check that all jumpers are in the correct position for the

desired mode of operation.

•

Verify that VREF is at 1.23 V.

•

Run the clock and analog inputs at low speeds (10 MSPS/

1 MHz) and monitor latch and ADC for toggling.

SIGNAL

GENERATOR

SIGNAL

GENERATOR

REFIN

10MHz

REFOUT

BAND-PASS

FILTER

ANALOG

CLOCK

AD9430 EVALUATION BOARD

AVDD GND

DRVDD GND

VDL

GND

3.3V

DATA

CAPTURE

AND

PROCESSING

–

Figure 58. Evaluation Board Connections

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