jfet op amp help tl084

Discussion in 'General Electronics Chat' started by chetbacon, Mar 14, 2004.

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  1. chetbacon

    Thread Starter New Member

    Mar 14, 2004
    Here is what I'd like to do.
    I have a signal that I want to condition with a jfet op amp. The signal swings from plus 4 volts to minus 4 volts. I want to condition the signal so it never goes below zero volts and when the input is zero volts the output is 2.5 volts. Maximum output must not go over 5 volts or under zero volts and follow the input (non-inverting).
    I have tried a number of circuits and gotten only partial success. Most of the time it distorts as the input swings under zero volts and follows the input signal. I am not worried about current, just voltage values that follow the input signal as described.
    Any help here would be appreciated.
  2. Dave

    Retired Moderator

    Nov 17, 2003
    Duplicate thread.

    To answer this thread please take it here.

    Chetbacon, if you wish for this particular thread to be reopened, please PM and I'll unlock it. Thanks.
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