ORIGINAL MESSAGE:
On Sat, 16 Feb 2013 00:59:39 +0000, Manfred wrote:
>I would say that intelligent design is to get rid of big, heavy,
>expensive power transformers, and instead use switching power supplies.
>They are FAR more complex, sure, but they cost far less, weigh one tenth
>as much, provide tightly regulated output voltage, and short circuit
>protection.
REPLY:
I recall a saying from the early days of switching power supplies:
"A switching power supply is always one microsecond ahead of disaster".
Pig iron, properly run, lasts forever. Everything is a tradeoff.
Bill, W6WRT
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