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Old 13th May 2011, 08:41 AM   #1
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Join Date: Apr 2007
Default How to switch my TDA1541A Dac between OS and NOS with a relay or another way ?

Hello

I want to switch my TDA1541A Dac between OS and NOS mode. So in OS mode it would use the SAA7220, and in NOS mode it would bypass the SAA7220.

But I'm not sure that a relay would be good for the bypass of the SAA7220, any better solutions ?

The IV amp do have a 20 khz low pass bessel filter for NOS mode, and the filter would still there in OS mode.

Thank

Bye

Gaetan

Last edited by gaetan8888; 13th May 2011 at 09:06 AM.
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Old 14th May 2011, 06:42 PM   #2
oshifis is offline oshifis  Hungary
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Join Date: Mar 2004
Location: Budapest, Hungary
More elegant solution is using CMOS logic gates for switching TTL signals.
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