d.c. to d.c. converter

D.C. to D.C. Converter Dave Glawson - WA6CGR Use this D.C. converter to power your portable Microwave equipment. The +28 Volts is used to power surplus SMA or waveguide relays, the -20 volt supply is used for "Brick" type oscillators and + 15 Volts for oven oscillators and -5 Volts for...