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how to connect a potentiometer to a circuit

Discussion in 'Electronic Design' started by Shravani, Apr 16, 2007.

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  1. Shravani

    Shravani Guest


    I'm hoping someone can help me connect a logarithmic potentiometer to
    a circuit. I just need it to adjust the volume of the spoken output.
    The current will be very small, so I'm thinking of getting a 0.5W
    potentiometer. Once I order it though, how do I connect it to the

    If anyone can help, I'd be really grateful.

  2. One end of the resistor element connects to the signal
    source, one end to ground or signal common.

    Set the sliding contact to the middle position and measure
    the resistance to each end. The end with the higher
    resistance reading is the one that goes to the signal source.

    The sliding contact is the variable volume output signal.

    Selecting the best pot resistance value depends on the rest
    of the circuit.
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