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Thread: Sine Cosine Potentiometer

  1. #1
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    Default Sine Cosine Potentiometer

    For all you analog heads out there that refuse to sell out to digital!

    Thought I'd share a pretty cool device I found call the Sine-Cosine Hallpot Resolver. Just feed it +5V and you get a perfect sine/cosine output.

    Expensive little guy but built really well. There are no internal contacts to wear out, just a magnet and a couple coils of wire.

    These are available at hallpot.com!

    Click image for larger version. 

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    enjoy!

  2. #2
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    Neat little pot. Have never seen one.
    What are they used for ??

    Jerry
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  3. #3
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    Default

    They get used in synchro/resolver systems a lot. Used to be used a ton in old military fire control systems.

  4. #4
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    Quote Originally Posted by lasersbee View Post
    Neat little pot. Have never seen one.
    What are they used for ??
    I've heard of a couple different uses, not many, which is why they are so expensive due to so little demand. They are a perfect solution for a project I've been working on though.

  5. #5
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    Fort Mill, SC USA
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    Default

    Quote Originally Posted by DZ View Post
    I've heard of a couple different uses, not many, which is why they are so expensive due to so little demand. They are a perfect solution for a project I've been working on though.
    Are you building a fire control system, DZ???
    "Help, help, I'm being repressed!"

  6. #6
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    Default

    Those guys are only about 30 miles from me

  7. #7
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    Apr 2007
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    Costa Rica
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    Default

    I have some sin cos pots. Used in early analog X,Y,Z vector rotator circuits.

  8. #8
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    Mar 2011
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    Chicago area, IL
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    I've seen resolvers used on servos in industrial control, helpful to determine rotation direction and speed. Good stuff!

  9. #9
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    Thanks for the feedback on these Sine-Cosine Pot uses guys.

    Jerry
    See the LaserBee II and all other LaserBee LPM products here....
    All LaserBee Laser Power Meter Products

    New 3.2Watt RS232/USB LaserBee II LPM REVIEW


    Always in stock and ready to ship....
    Subsidary:-Pharma Electronic Solutions

  10. #10
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    Aug 2010
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    Default


    Very cool gadget,,,, thanks for link!
    Cheers

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