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DC step up

Discussion in 'General Electronics Discussion' started by sltl, Dec 11, 2012.

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  1. sltl


    Dec 11, 2012
    New to the forum and looking for some help. I have a certain project that requires i design a circuit to convert 12V DC to 120 V DC however after searching around i have yet to find a solution. Any suggestions for a circuit for this would be very helpful.
  2. duke37


    Jan 9, 2011
    There are several ways of doing this, it depends to some extent on the power required.

    At present I am making a 12V to 300V supply based on a 4047 cmos chip driving two fets which feed into a transformer wound on a TV line output transformer core. I am hoping to get 20W out of this to supply radio valve HT.

    vinod chandran has a thread discussing this type of circuit.
    Last edited: Dec 11, 2012
  3. davenn

    davenn Moderator

    Sep 5, 2009
    hi there :)

    do a google search on DC to AC inverters. they are readily available for producing mains voltage from a DC battery supply

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