You can either buy commercially built inverters and use a transformer or you can build your own multivibrator and use a step up transformer. I bought this one for $10 after rebate http://www.xantrex.com/images/products/xp-mobile-75_800x600.jpg :-) On 11/2/05, John Waters wrote: > Hi All, > > Could someone suggest me a simple circuit to convert 12 V dc to 24 V ac? the > dc or ac voltage could be other values, the key is to step up a dc to an ac. > the current to draw from the ac side will be less than 100 ma. > > Thanks in advance! > > John -- Chetan Bhargava Web: http://www.bhargavaz.net Blog: http://microz.blogspot.com -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist