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  1. sparrow72

    Stepper Motor Control

    I know the problem of designing with an obsolete part. I just hate to dump the opportunity of reusing these chips. The project I have in mind is a small CNC machine for making prototype cicuit boards. I really hate to dump these chips. Thanks
  2. sparrow72

    Stepper Motor Control

    I have several obsolete stepper motor control chips and am looking for data sheets. Does anyone have data sheets for a Sanken SI-7300 motor control chip or a Sanken STR-2005 regulator chip? I recovered them from several Panasonic typewritters and hate to just dump them. the Sanken Electrical...

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