I've assembled the power supply in this thread:
http://www.diyaudio.com/forums/showthread.php?s=&threadid=43423&pagenumber=1
also the same (basic) design can be found here:
http://www.tnt-audio.com/clinica/ssps1_e.html
and here:
www.zero-distortion.com (ps design section)
My question is about the 0v line. I actually measured this line compared to the earth ground and there was about a 32V-P sine wave showing up. The positive and negative rails displayed proper values when compared to the 0v line.
All of the power supply schematics that I've seen show this 0v rail tied to earth. Last time I checked a 32V sine wave shorted to earth would make quite a few (rather expensive) things blow up.
I could see maybe, if you used two transformers with series windings and tied each of their centers to the 0v point, but is this kind of power supply design possible with only 1 transformer?
http://www.diyaudio.com/forums/showthread.php?s=&threadid=43423&pagenumber=1
also the same (basic) design can be found here:
http://www.tnt-audio.com/clinica/ssps1_e.html
and here:
www.zero-distortion.com (ps design section)
My question is about the 0v line. I actually measured this line compared to the earth ground and there was about a 32V-P sine wave showing up. The positive and negative rails displayed proper values when compared to the 0v line.
All of the power supply schematics that I've seen show this 0v rail tied to earth. Last time I checked a 32V sine wave shorted to earth would make quite a few (rather expensive) things blow up.
I could see maybe, if you used two transformers with series windings and tied each of their centers to the 0v point, but is this kind of power supply design possible with only 1 transformer?