----- Original Message ---- From: David VanHorn To: Microcontroller discussion list - Public. Sent: Wednesday, November 1, 2006 10:48:50 PM Subject: Re: Re: [EE] DC - AC Conversion ? >> I'm sorry, but considering the task at hand, and your apparent knowledge >> of power design you should NOT be surprised that many here don't think >> it's a good idea for you to go down this path. >Why do people fixate like this on THE ONE SOLUTION, when they have competent >people advising them that their solution is unworkable? >I've seen this before when someone, usually from marketing, comes in and >tells us "we need this". It's usually some way off the wall requirement, and >they WILL NOT let go of it despite small objections like that it might defy >the laws of physics, or some other niggling little engineering thing. >"We need 16 bit technology!" The product was moving packets of a couple >hundred bytes over a 212A modem.. The host was 7E1 and that wouldn't ever >change. >"We need 1M of SRAM in this <$100 product". At the time, 1M of SRAM cost >about $400 just in chips on the table. It also was VASTLY more than was >ever needed by the end users. >-- These are just the two ways of learning. 1-learn from the advise, and the experience of others. 2-make all mistakes yourself learn the hard way. In my experience making all mistakes yourself while sometimes painful, expensive, stupid etc. does two interesting things. 1-all lessons learned are never again forgotten including the why. 2-most ( all ? ) novel ideas inventions and breakthroughs come from people that do things the hard way. Peter van Hoof "Everything that can be invented has been invented." Charles H. Duell, Commissioner, U.S. Office of Patentes, 1899 -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist