Turns ratio reflected impedance to the primary is increased, not reduced, by the turns ratio. This includes capacitive reactance.
You should pull this article before the misinformation spreads too widely.
The 1 watt waste for a 4W supply is amazing. Thanks for a good basic article with enough technical information to be useful. This will help in the decision process for the next set of power supplies we select.
Blog Doing Math in FPGAs Tom Burke 15 comments For a recent project, I explored doing "real" (that is, non-integer) math on a Spartan 3 FPGA. FPGAs, by their nature, do integer math. That is, there's no floating-point ...