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How to chose damping resistor (animation)

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  • How to chose damping resistor (animation)

    I have been looking for this post for ages, and have just found it again
    its a nice little animation of how to chose the damping resistor.


    http://www.geotech1.com/forums/showp...&postcount=373

  • #2
    Originally posted by 6666 View Post
    I have been looking for this post for ages, and have just found it again
    its a nice little animation of how to chose the damping resistor.


    http://www.geotech1.com/forums/showp...&postcount=373
    brilliant idea, thanks for reposting

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    • #3
      Thank you 6666, i have see years ago this gif , very good for student ...this time i save it

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      • #4
        Hi All,

        One problemmo!, don't forget to preset the potentiometer or things get fried like a minelab GP3000.

        Ron

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        • #5
          Originally posted by authere View Post
          Hi All,

          One problemmo!, don't forget to preset the potentiometer or things get fried like a minelab GP3000.

          Ron
          Good valid point
          would be better to put low value resistor in series with the pot just incase as a safety measure, then when measuring incl the both.

          Regards

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          • #6
            Originally posted by satdaveuk View Post
            Good valid point
            would be better to put low value resistor in series with the pot just incase as a safety measure, then when measuring incl the both.

            Regards
            I use a 10k pot with a series 270 ohm resistor, both in parallel with a 1k2 resistor, which provides an adjustment range between 220 ohms and 1k1. Then you don't end up frying the mosfet.

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            • #7
              hello
              where i have to connect scope probe on baracuda pi
              to measure damping range?

              regards

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              • #8
                Should be pin 6 of NE5534
                make sure the coil is away from all metal

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                • #9
                  thanks to australia

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