Power Supply for EG&G Princeton Applied Research Model 5113 pre-amp
Note: When I started building the power supply I didn't realize that it could take an unregulated +/-18V power supply (as explained in the manual).
Schematic and Board Layouts before installation of larger XFMR (.pdf):
Schematic
board layout silk
board layout tracks
board layout solder
Express PCB Schematic and Board Layouts (.sch & .pcb):
Express PCB Plus schematic file
Express PCB Plus board layout file
Pictures (.jpg):
Front view of pre_amp power supply
Back view of pre_amp power supply
Top view inside box with large transformer (current setup - this works)
Top view inside box with small transformer (original - doesn't work)
Top view of PCB with larger transformer
Heatsink view from inside the box
View from the back of the box without the heatsink (note insulator on neg reg)
Ground connection to the box
Bottom view of PCB with larger transformer installed
Close up of positive regulator to heatsink
Close up of negative regulator to heatsink (with mylar insulator)
Close up of diode on bottom of PCB for the positive regulator
Close up of diode on bottom of PCB for the negative regulator
Adjustable LDO regulator mod (.jpg):
View 1
View 2
View of wiring
Pre-amp manual:
EG&G 5113 manual (pdf)