programmable delay circuit

Discussion in 'General Electronics Chat' started by nozfet, Feb 2, 2010.

  1. nozfet

    Thread Starter New Member

    Feb 2, 2010
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    Can anybody help me create a programmable delay circuit. I have a pulse signal that needs to be delayed then fed back into my logic circuit. The delay tolerance is between 1us to 10us.
     
  2. SgtWookie

    Expert

    Jul 17, 2007
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    Post your existing circuit, and indicate where you need the delay to be added.
     
  3. nozfet

    Thread Starter New Member

    Feb 2, 2010
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    the circuit is pretty simple and I know how to create a delay using the 555 timer, however I was looking to create the delay using a more elaborate circuit with a counter and user adjustable. The circuit has a sipex transceiver chip at the input of the delay circuit then comes the delay and then fed back into another sipex transceiver.
     
  4. SgtWookie

    Expert

    Jul 17, 2007
    22,182
    1,728
    OK, so run the signal through an octal shift register that's being clocked at a MHz or so. Use a rotary switch or octal DIP switch to select which output your signal comes from.
     
  5. jans123

    New Member

    Jan 30, 2010
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    If I was into programming I would go for a PIC processor. The 8-pin devices are dirt cheap and quite potent. A delay would mean only a few lines of code. I have seen it done, but never used it myselves.
     
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