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Type: Posts; User: jim rozen

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  1. Replies
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    I missed the boing motion - it,s not a fluxgate.

    I missed the boing motion - it,s not a fluxgate.
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    1,785

    Looks to be two (counter-wound?) coils on a...

    Looks to be two (counter-wound?) coils on a ferromagnetic core, one pair of wires visible.
    For it to be a fluxgate there has to be a drive coil pair and a sense coil pair, not visible in that...
  3. Replies
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    1,785

    Not a hall sensor, might be a fluxgate: ...

    Not a hall sensor, might be a fluxgate:

    Magnetometer - Wikipedia

    Tapered split-collet knobs have been around since the 1920s, at least, I have several radios with
    that feature from that time.
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