(Drop-in) replacement board for the A12 rectifier board in a HP 8640 signal generator.
The A12 rectifier board in my 8640B had seen siginificant heat after a faillure in the +/- 5.2V power boards.
After looking for correct replacement diodes, I figured it would probably be easier to create a replacement board.
See my blog for an (upcoming) post with more information.
Schematic and layout in Diptrace v4.
PCB layout v0.1:
