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Nisbeth 25th February 2007 03:54 PM

TubeDAC losing signal lock
I have just finished assembling a Scott Nixon tubedac and although it plays very nicely, there is one problem: It keeps losing signal lock in the pauses between tracks on a cd (and the deemphasis-light starts flashing instead). Pressing pause and then play again on the DVD-player is usually enough to get the DAC to lock on to the signal again, but this is very annoying, especially since I have several other DACs based on the CS8414/TD1543 and none of them have this problem. Does anyone know what's wrong?


Nisbeth 27th February 2007 06:22 PM

Bump! Anyone?


Andypairo 27th February 2007 06:28 PM

It seems to be something related to the loopfilter, check its components...



Nisbeth 27th February 2007 06:35 PM

Oh yes, the loopfilter components are totally different from my previous design. I'll fiddle a little with the values and see if I can get it to behave properly. Thanks :)


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