Smartphone batteries may soon last twice as long -- if an MIT spinoff's power amplifier technology lives up to its promise.
The power amplifier is one of the most power-hungry pieces of hardware in a phone. It converts electricity into radio signals and consumes power in two basic modes: standby and output signal for sending out digital data. Such a chip wastes more than 65 percent of its energy, according to a report in the MIT Technology Review, and the only way to make it more efficient is by reducing the power used in standby. … Read more