Skip navigation
In late November last year, I reviewed the Rohde & Schwarz HMP4040.04 384W four-channel programmable power supply. This power supply was a beast of a supply with a hybrid linear-design and exceptional performance specifications which aligns well with its positioning as a performance-line supply. Despite being damaged in transit and eventually suffering a failure of its fourth channel, the unit has continued to function well. Quite recently, I dared to take it apart for a peek under the cover ...