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opamp circuit

Discussion in 'Electronic Basics' started by iceman, Jan 14, 2005.

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  1. iceman

    iceman Guest

    we are going to use a lm301...has a gain of 5 , has to be able to
    amplify an ac signal
  2. Ban

    Ban Guest

    No, the opamp has a gain of 160000. With external resistors you can reduce
    it to the desired value. But be aware, that this part requires a high supply
    voltage. The part can latch up with an input voltage of less than +3V above
    the negative rail, but it has the capability to go straight to the positive
    rail, which might be useful in high-side current sensing.
    Better to use a more modern part tho, with RR/in capabilities you are not
    stuck to a single application, but have a more universal usage.
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