sebiiksbcs Posted August 22, 2010 Report Share Posted August 22, 2010 Hey, didn't know where to post this one so I am doing it in Design Concepts. I'll be building an analog semi-modular synth, and I want to include a Midibox CV into the synth case. The Midibox CV is using an AOUT_NG. The synth's PSU will give me +5V and +/-15V. I see that in the Midibox CV design, the +/- voltage seems to be only needed for the TL074's, and they as per datasheet can accept up to +/-18V or so. So could I power the AOUT_NG with +5V and +/-15V, or would there be any sideeffects, like the CV voltages become unproportional or something similar? Or should I make the extra effort and use 7812 / 7912 ICs to get +/-12V just for the AOUT_NG module? I hope my description is not too vage! Quote Link to comment Share on other sites More sharing options...
Altitude Posted August 22, 2010 Report Share Posted August 22, 2010 thats fine.. Quote Link to comment Share on other sites More sharing options...
seppoman Posted August 22, 2010 Report Share Posted August 22, 2010 that's a semi-FAQ - short answer: As long as you're only using the NG in unipolar mode, everything is fine. in bipolar mode, the offest voltage will change without some modification. is one answer, although a bit outdated since I should probably document all this on the NG page when I find the time to update the official docu. S Quote Link to comment Share on other sites More sharing options...
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