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getting error on negative clipping

Discussion in 'General Electronics Discussion' started by bhuvanesh, Jul 4, 2014.

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  1. bhuvanesh


    Aug 29, 2013
    i am getting 0.7 error on negative clipping.Is there any possible modification that we can make to the below circuit to eliminate that error 0.7v.

    Attached Files:

  2. KrisBlueNZ

    KrisBlueNZ Sadly passed away in 2015

    Nov 28, 2011
    The 0.7V you're seeing is not an "error"; it's simply the forward voltage of the diode. A diode does not clip perfectly; as well as the forward voltage, there's the effective resistance.

    But you can reduce the voltage offset by connecting the diode's cathode to a voltage source of -0.7V relative to 0V. In other words, disconnect the diode's anode from the 0V rail, and connect a 0.7V voltage source with its positive terminal to the 0V rail and its negative terminal to the anode of the diode.
  3. bhuvanesh


    Aug 29, 2013
    Thank you,got that
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