[Elecraft] KPA500 Power Supply Environmental/Ergonomic Issue

Lynn W. Taylor, WB6UUT KX3 at ColdRocksHotBrooms.com
Wed Feb 1 13:20:24 EST 2017


AD6A wrote:
> I thought that maybe there was a supercap or backup battery that kept the
> button's electronics alive to perform the ON button function (like TV's
> have in them).
Am I missing something?

Didn't it take power to to charge that supercap or backup battery?

Is there really a difference between drawing a tiny bit of mains power 
when "off" and drawing a tiny bit of mains power to maintain these when 
"on?"

Too often, it's easier to move a problem around than to actually solve it.

73 -- Lynn


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