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Q&A Is volume control in AD1939 analog or digital?

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Is volume control in AD1939 analog or digital?

more10 on Oct 27, 2013

The AD1939 spec sheet doesn´t mention how volume control is implemented. Is it digital or analog?

Thanks

Mårten

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more10 Oct 28, 2013 +1

Thanks Coleman. Too bad they chose to not include a DCA in the AD1939.

0 ColemanR

on Oct 28, 2013 3:33 PM
Hi Mårten,

The volume control in the AD1939 is digital. Please be aware that attenuating the DAC signal will degrade the DNR of the output. Please consider adjusting the signal level in your system outside the AD1939.

Best regards,

Coleman
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0 more10 on Oct 28, 2013 4:36 PM

Thanks Coleman. Too bad they chose to not include a DCA in the AD1939.
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