Dynamic power in CMOS for WCDMA Power DesignLine Blog 10/26/2004 Post a comment Cell phones have come a long way since they were first introduced. Remember when they were about the size, and weight of a mason's brick? Now, they have dimensions of a couple inches and weight of a few ounces. They have a plethora of new features and function and all of them cost, and not just money. They cost power. What's being done to constrain power usage? Plenty, and here's a link to first rate research.