28 VDC to 26 VAC 400 Hz circuit

Discussion in 'General Electronics Chat' started by billgyrotech, Nov 20, 2015.

  1. billgyrotech

    Thread Starter Member

    Nov 24, 2009
    20
    0
    I would appreciate a suggested circuit for my application.

    Input 28 VDC and output 13 or 26 VAC 400 Hz with max 3 amp capacity. Space is limited so perhaps switching transistors could be used.

    Thank you very much for any help.
     
  2. PeterCoxSmith

    Member

    Feb 23, 2015
    148
    38
    do you mean the output must be variable between 13 and 26VAC? And is that rms rather than peak to peak?
     
  3. Dodgydave

    AAC Fanatic!

    Jun 22, 2012
    5,005
    745
    You could make a wien oscillator with a CA3140 op amp and TDA2040 amplifier, or power transistors using a +/- 15v supply.
     
    Last edited: Nov 20, 2015
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