Cirrus-logic CDB5374 Uživatelský manuál Strana 12

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CDB5374
12 DS862DB1
Once the Setup panel is set, select Configure on the Digital Filter sub-panel.
After digital filter configuration is complete, click Capture to collect a data record.
Once the data record is collected, the Analysis panel is automatically displayed.
Select Noise FFT from the Test Select control to display the calculated noise statistics.
Verify the noise performance (S/N) is 121 dB or better.
1.4.2 Distortion Test
Set the controls on the Setup panel to match the picture:
Once the Setup panel is set, select Configure on the Digital Filter sub-panel.
After digital filter configuration is complete, click Capture to collect a data record.
Once the data record is collected, the Analysis panel is automatically displayed.
Select Signal FFT from the Test Select control to display the calculated signal statistics.
Verify the distortion performance (S/D) is 108 dB or better.
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