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Critic's Corner Discuss a review. Provide constructive feedback. Talk to the industry. |
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In Reply to: Can you tell us why .... posted by 13th Duke of Wymbourne on August 20, 2014 at 13:06:24:
HowdyAt first I thought it was a noise shaping anomaly, but I use the same FPGA code for both channels.
An earlier test board layout also showed a noise floor difference between channels, in that case the difference was that the reference voltage for the audio regulators was routed within a inch or so of the microprocessor.
With the DS the difference apparently is the asymmetry of the inputs on the digital board. The USB receiver hardware is nearer to the channel with the noise floor that rises sooner.
-Ted
Edits: 08/20/14
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- RE: Can you tell us why .... - Ted Smith 13:25:26 08/20/14 (0)
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