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Joined: 9/5/2012(UTC) Posts: 59  Location: Hanoi Thanks: 5 times
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Hi,
I am feeding my BIII by positive rail of a Placid HDBP (5.25V). In order to provide separated power supply to SPDIF4, can I use remain negative one to provide a lower positive voltage (e.g 4.4V, by reverse + and -)?
Am I going to do a silly thing?
Thank you.
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The two boards share a ground, which would result in connecting the PlacidBP's + to - (short).
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Definitely will not work. You need two positive supplies.
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Rank: Member
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Joined: 9/5/2012(UTC) Posts: 59 Location: Hanoi Thanks: 5 times
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Thank you Brian and Russ, I will make a separated power for this purpose.
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