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Frequency to Voltage Conversion

Discussion in 'General Electronics Discussion' started by rob_jones, Apr 19, 2012.

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  1. rob_jones


    Apr 19, 2012
    Hi there!

    I want to get a voltage reading that is proportional to the speed of a motor. A sensor outputs one pulse per revolution of the motor. Would a frequency to voltage converter (connected to the sensor output) work for this task? The circuit involved looks quite complex so I wanted to know if anyone has had experience of this before I start building it.

    Thanks in Advance

  2. davenn

    davenn Moderator

    Sep 5, 2009
    hi there Rob
    welcome to the forums :)

    have a look at the PDF file of this chip LM2917 and see if it does what you want


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