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Still overlooking digitals poorest design solution.

213.84.55.132


Virtually all audio dacs are NRZ eg. not returning to zero.
This next to jitter one of the causes for poor hf performance.

The effect is added energy in the hf range. In the early days is compensated for the hf roll off caused by the sample and hold circuit.

In theory the pulse should be infinitly narrow. However most dacs output a pulse as wide as the entire wordclock cycle.

This is a fundumental design flaw in dac design.

Frank


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  • Still overlooking digitals poorest design solution. - Frank.. 11:08:53 05/22/06 (0)


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