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Special incremental N-position switch?

Discussion in 'Electronic Design' started by Ignoramus5533, Oct 25, 2005.

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  1. Imagine the following switch. It has N positions, let's say 5
    positions and 5 contacts A, B, C, D, E.

    Position 1 does not connect any points.
    Position 2 connects A and B
    Position 3 connects A, B, C
    Position 4 connects A, B, C, D
    Position 5 connects A, B, C, D, E

    This switch would be useful for connecting caps in parallel to get
    adjustable voltage. Do such sqitches exist and, if so, what are they
    called? Can I build one from a regular 11 position switch, by some
    means that I am missing?

    thanks

    i
    --
     
  2. without having about 45 wires all over
     
  3. Forget my question, I got it. I know how to do it

    i


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  4. Robert Baer

    Robert Baer Guest

    AFAIK that is a specialty for testers (Heathkit, for one).
    Look in various surplus stores / catalogs; making one would be bitchy
    unless you are a crafteman witha goodly set of fine tools.
    Just look at a wafer switch; the outer part, with the contacts is
    fairly "simple" and can be "stolen" from any switch having the desired
    contact spacing.
    However, the rotary contacting / shorting section, is the special
    part; circular cut-outs just so, then mounted on the rotary wafer
    correctly, etc.
    One sample place: http://www.surplussales.com/
     
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