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Isomagic clock link to RME Soundcard
Isomagic clock link to RME Soundcard
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Old 24th December 2007, 04:03 PM   #1
SimonInd is offline SimonInd  United Kingdom
diyAudio Member
Join Date: Oct 2005
Default Isomagic clock link to RME Soundcard

I've been searching the forum and deduced that the clock link output on my Cambridge Audio Isomagic is 5.6448MHz. I am wondering if I can use this to master clock a Crystal CS8402A S/PDIF transmitter to generate an empty S/PDIF signal that my RME soundcard can syncronise to? The CS8402A requires a 5.6448Mhz clock to generate a 44.1kHz S/PDIF signal so it seems like just the ticker. Will it provide the necessary syncronisation between transmitter (soundcard) and receiver (dac)?

From what I can tell from the datasheets, this chip plus a toslink receiver and transmitter should be pretty much all I need. Am I missing something or should it really be that simple?

The alternative is to take the Isomagic apart and see if there is a more conventional clock signal floating around that I can hijack. I'd rather not do that if I can use the existing external interface.

Any advice appreciated
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