Current Trends in PBX Power Supplies

The PBX market in the past few years has been a dynamic one in regards to the introduction of new products having new technology and is expected to continue in the future. This will have a major influence on the power supply designs. This paper will discuss in a general way the trends taking place today in power supply design to meet the changing PBX requirements and the trends in design which are resulting from advanced technologies in the power supply field.