317/337 based virtual ground PS
Regulated power supply developed from ideas at http://www.goldpt.com/virtual_ground.html .
Intended use is headamps but YMMV (Voltages in schematics are only my use case).
My plan is to use this board connected after this board http://dirtypcbs.com/view.php?share=7114&accesskey=8de59f9a627c2628b1218dfd3717677e
