Hi Mooly,
Thanks for the reply & the feedback.
I only hear the clicking sound when I’m near the DAC. I don’t hear them thru’ the headphone that’s connected to the DAC. I don’t recall hearing this clicking sound when my DAC is connected to a DVD player that has got a built-in coaxial digital output.
I think there’s some kind of latching going on, on the board inside the DAC.
I guess I’ll go ahead & mod the Kwak clock on my CD player while leaving this circuit (TTL to SPDIF) on my LD player.
Thanks for the reply & the feedback.
I only hear the clicking sound when I’m near the DAC. I don’t hear them thru’ the headphone that’s connected to the DAC. I don’t recall hearing this clicking sound when my DAC is connected to a DVD player that has got a built-in coaxial digital output.
I think there’s some kind of latching going on, on the board inside the DAC.
I guess I’ll go ahead & mod the Kwak clock on my CD player while leaving this circuit (TTL to SPDIF) on my LD player.
I suspect that although the resistors are in series, they do give an effective output impedance of 75 ohms, which is the correct impedance for S/PDIF coax.
As for the clock stuff... whatever oils your snake.
I'd expect most DACs from the last decade or so should have some anti-jitter stuff built-in, like an ASRC (asynchronous sample-rate converter) (like that nice chip AD made that also acted as an S/PDIF receiver).
As for the clock stuff... whatever oils your snake.
I'd expect most DACs from the last decade or so should have some anti-jitter stuff built-in, like an ASRC (asynchronous sample-rate converter) (like that nice chip AD made that also acted as an S/PDIF receiver).
Mea culpaNever played around with clocks. I always feel the idea is sound, but could be let down in the implementation. If the new clock ends up a few centimeters away from its destination the overall result could be worse. Correct grounding of all the relevant parts that make it up become important to.
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