9632 analogue out oscillation

matt09 · 20th July 2011, 08:40 PM

Hi there,

I would appreciate it if someone could take a look at the following oscilloscope waveforms directly from the my RME soundcards output. There appears to be a major problem somewhere as what appears to be oscillation is present. The onboard audio looks much better than the RME. I am using an RME 9632 with AO4S expansion and both have the problem which worsens in the AO4S card (see the zoomed photos). The problem also worsens as the frequency increases up towards 20Khz but is clearly visible from 10Khz upwards.

Regards,

9632 Analogue out, 20Khz

9632 Analogue out, 20Khz

9632 Analogue out, 20Khz zoom

AO4S Channel 1 Analogue Out 20Khz zoom

matt09 · 23rd July 2011, 02:38 PM

Anyone??

matt09 · 5th August 2011, 07:53 PM

I'm going to be closing this thread and posting it in a similar but somewhat incorrect category soon just to attract a larger audience. I know this is one of the least popular areas of the site given it's still on the front page after 2 weeks but I would have thought in 86 views someone could have helped?

20th July 2011, 08:40 PM	#1
matt09 diyAudio Member Join Date: Aug 2006	9632 analogue out oscillation Hi there, I would appreciate it if someone could take a look at the following oscilloscope waveforms directly from the my RME soundcards output. There appears to be a major problem somewhere as what appears to be oscillation is present. The onboard audio looks much better than the RME. I am using an RME 9632 with AO4S expansion and both have the problem which worsens in the AO4S card (see the zoomed photos). The problem also worsens as the frequency increases up towards 20Khz but is clearly visible from 10Khz upwards. Regards, 9632 Analogue out, 20Khz 9632 Analogue out, 20Khz 9632 Analogue out, 20Khz zoom AO4S Channel 1 Analogue Out 20Khz zoom

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23rd July 2011, 02:38 PM	#2
matt09 diyAudio Member Join Date: Aug 2006	Anyone??

5th August 2011, 07:53 PM	#3
matt09 diyAudio Member Join Date: Aug 2006	I'm going to be closing this thread and posting it in a similar but somewhat incorrect category soon just to attract a larger audience. I know this is one of the least popular areas of the site given it's still on the front page after 2 weeks but I would have thought in 86 views someone could have helped?

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