if you want to focus on system level or board level design, many such kind of systems are already on the market for many years.As a beginner, you want to beat them? well, only if you are a genius. if you want to focus on IC level design, take a look at the following schematic, then ask your advisor which block he believes he could do better at LOWER COST? http://www.analog.com/library/analogDialogue/archives/29-3/low_power.html recently, Freescale and Monebo take one step further. They are joint