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fixed auto-transformers

benmales

Jun 17, 2010
1
Joined
Jun 17, 2010
Messages
1
Hello all

I am currently trying to build a good quality (and very loud) personal alarm. I am opting for a system based around 556 CMOS driving a piezo. I have taken apart numerous examples of personal alarm and all use a small fixed auto-transformer to feed the piezo. I now have a few salvaged A-Ts but I'd like to find a supplier so I can buy more, Does any one know where I can find something suitable. Farnell, digikey and RS dont have anything that small!

Thanks for your time

Benjamin
 
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