Low distortion, pure resistive I/V stage for Sabre Reference DAC - Page 6 - diyAudio
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Old 7th November 2012, 08:34 AM   #51
roender is offline roender  Romania
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SE analog output at 2Vrms (0dB digital), THD 20kHz
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Old 8th November 2012, 04:56 PM   #52
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I get -59 dB THD20k at 2Vrms output voltage which is about 20 dB worse than you get. I have tried the design with both your values for the 4V version, and also with my values. You vales give me only 3,6Vrms (balanced, 1.8Vrms single ended) using 16 mAACp-p signal input.

Not sure what the discrepancy is caused by.Might be the models.

Did you even consider making a DC coupled version by foloding down the entire schematic and making a complementary version?



/S

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SE analog output at 2Vrms (0dB digital), THD 20kHz
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Old 8th January 2013, 10:47 AM   #53
roender is offline roender  Romania
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Yes, I had done that but doesn't sound the same ... is more digital than analogic.
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