http://www.creditwritedowns.com/2011/03/how-quantitative-easing-really-works.html
If you want an accurate explanation of quantitative easing, here it is. I am going to describe the basic mechanics and the transmission mechanism to the rest of the economy. To the degree there is official documentation on the mechanics, I will refer to it here in order to use the Fed’s own voice in describing QE. Let’s start with the mechanics.