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A Reasonable Facsimile??

Discussion in 'Electronic Design' started by Randy Gross, Dec 9, 2003.

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  1. Randy Gross

    Randy Gross Guest


    The LM331 chip is/was used in a V to F circuit I found but, as I understand
    it, the chip was discontinued in 1995. Is there a sub that can be used?

    The circuit can be viewed at:

    It is the frequency to voltage circuit that allows the frequency to be read
    as voltage with a DVM.

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