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Joined: 10/12/2008(UTC)
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I have just ordered the S/PDIF 4:1 MUX/Receiver module to use with the Buffalo DAC. I am planning to connect a Squeezebox Classic and two computer CD/DVD-ROM drives to it. The Squeezebox’s S/PDIF RCA coax connector outputs 500mVpp into 75 ohms. The CD/DVD-ROM drives I have measured (Toshiba, TEAC) appear to output at TTL levels. Do I need to make any changes or additions to connect the devices I have just described?
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No you should not need to do anything special for TTL as long as the high pulses don't exceed 3.3V.
If you want to be safe, you can use a voltage divider to reduce the level.
Cheers!
Russ
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Rank: Member
Groups: Member
Joined: 10/12/2008(UTC)
Posts: 12
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Thanks Russ.
It seems like the last person who borrowed my test tone CD never returned it. I will burn a new one and use it to measure the S/PDIF output of all the CD/DVD-ROM drives I have handy. I want to know how consistent the output levels are.
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