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-   -   Pseudo ground (http://www.diyaudio.com/forums/power-supplies/229279-pseudo-ground.html)

argonrepublic 3rd February 2013 07:57 PM

Pseudo ground
 
1 Attachment(s)
I vaguely remember a power supply I used a few years ago for +/-15V. I am trying to get some power today and the closest transformer I have, has no center tap.
Here is a picture of the power board but I am contemplating leaving this out of the system until I am able to locate a suitable transformers. I have plenty of rectifiers, capacitors, regulators etc. I need +/-15 VDC and 5 VDC. I have a transfor that has 35VAC and 7.5VAC

metalsculptor 4th February 2013 05:08 AM

Depends on the load If the DC ground current is minimal the a voltage divider between the rails and a bypass capacitor will work

gootee 4th February 2013 05:42 AM

There is a power rail-splitter circuit in the LM675 datasheet.


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