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Matching the phase

Discussion in 'General Electronics Discussion' started by DaveW, Sep 7, 2013.

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  1. DaveW


    Sep 7, 2013

    I am learning electronics for a project that I am doing at the moment. I am looking to generate a set of square waves in opposite phase. I have attached the circuit and the scope shows me that the wave are slightly out of phase. Could any one help me to get the circuit to produce two waves 180 degrees out of phase with each other. :rolleyes:

  2. (*steve*)

    (*steve*) ¡sǝpodᴉʇuɐ ǝɥʇ ɹɐǝɥd Moderator

    Jan 21, 2010
    With the circuit you have, use the Q and Q' outputs of a single flipflop.

    If you want the square waves to be completely symmetrical, then I would advise you to divide the frequency of the 555 by 2 by setting the flip flop to toggle on receipt of a clock pulse from the 555.
  3. DaveW


    Sep 7, 2013
    Thanks Steve...

    Thanks Steve. That looks a far simpler solution. I was obviously looking to deep in to the problem. I will let you know how I get on... VMT. DaveW
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