Rohde amp schwarz hmp4030 35930474k02 384w 3 output programmable dc psu rohde amp schwarz 35930474k02 the rohde amp schwarz hmp4030 is a 3 output programmable dc power supply unit this high performance programmable 384w power supply with advanced parallel and series operation offers the simultaneous switching active channels on and off via the output button the hmp4030 has three identical channels with a voltage range of 0 to 32v the instrument can likewise provide an output po