A POWERING UNIT OF REVERSE POWER FEED TYPE FOR DIGITAL COMMUNICATION APPLIANCES AND RELATED METHOD FOR GENERATING A SUPPLY VOLTAGE IN REVERSE POWER FEED MODE

摘要

Disclosed is a method, implemented in a related supply unit, for generating a supply voltage for electronic appliances of digital communications that allows to dampen noise in the communication bandwidth by reducing the frequency of switching noise when the number of active phone lines connected to the supply unit increases, senses which phone lines are active and, at each switching cycle, allows that a certain amount of electric energy is absorbed by one active line at the time. The method is implemented in a related supply unit.