"It switched the power on and off not sixty times per second, but thousands of times; this allowed it to store the power for far less time, and thus throw off less heat."
Aargh who wrote that?!? (not Jobs himself, I hope). Electronics designers everywhere grab their vomit bag.
Anyway, good read & well researched by Ken (as always).
That was written by Walter Isaacson, who wrote the biography of Steve Jobs.He is a good writer, but that description of a switching power supply is very messed up. You can see the right ideas inside there, struggling to escape.
"It switched the power on and off not sixty times per second, but thousands of times; this allowed it to store the power for far less time, and thus throw off less heat."
Aargh who wrote that?!? (not Jobs himself, I hope). Electronics designers everywhere grab their vomit bag.
Anyway, good read & well researched by Ken (as always).