[sdiy] 12VDC to 12VAC converter [OT]
seb at burnit.co.uk
Mon Sep 3 21:42:49 CEST 2007
Apologies for this OT post but hopefully someone on the list can save me
a lot of searching ...
I need to produce a 12VAC 20VA 50Hz supply from a 12VDC input. It's to
run a 12VAC motor from a car battery, so the AC voltage doesn't have to
be particularly sine-like or regulated.
Any ideas of a simple circuit or IC that will do this with reasonable
efficiency? I thought about a 555 timer with power transistor to boost
the output but not sure a square wave will be good for the motor ...
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